**Dec 17 2010**

topic: Testing Bs to DsPi to (PhiPi)Pi to (KKPi)Pi

workingdir: /susyraid1/home/jkim/analysis2/15.8.0.2/CharmLv2NtupleMaker/report

scriptroute: /susyraid1/home/jkim/analysis2/15.8.0.2/CharmLv2NtupleMaker/report/runall10

comments: Reading the MC where a specific decay mode "Bs to DsPi to (PhiPi)Pi to (KKPi)Pi" is included, Dr.Park and I were able to see a Bs mass peak at around 5.6 GeV. For truth-matching of Bs, what we did was, we first select Ds candidate that passed truth-mathcing criteria, then add Ds candidate to a pion candidate which passed the truth-matching from all track-candidates in Dr.Park's ntuple. For "without truth-matching' case, we selected Ds and pion cadidates only using cuts.

Bs mass peak plot using the MC: BsMassTruthMatch.pdf

/susyraid1/home/jkim/analysis2/15.8.0.2/CharmLv2NtupleMaker/report/runall10

Level2 ntuple used: /susyraid1/home/jkim/analysis2/15.8.0.2/CharmLv2NtupleMaker/report/Report_lv2Ntuple_run.root

**Dec 20 2010**

topic: producing a Dplus mass peak using Gladilin's selection criteria

workingdir: /susyraid1/home/jkim/analysis3/CharmReport/run.Bphysics

scriptroute: /susyraid1/home/jkim/analysis3/CharmReport/run.Bphysics/runall1

comments: Since Bs mass peak is not observed using generic MC, now we needed to tune the selection cuts using MC with different decay channels. First thing I tried was to select Dp candidates in B0 decays (B0 goes to Dp and Pi) as Gladilin', one of ATLAS member working on B meson physics, shown in his presentation slide. Given that Dr.Park already imposed a part of criterias in level2 ntuple makers, I needed to impose a few remained. By reading ntuples in

ntuple/MC/Report_lv2Ntuple_user.woochun.mc10_7TeV.108530.Pythia_DstD0K3piFilter.merge.AOD.e632_s933_s946_r1655_r1700.Nov102010*.root

ntuple/MC/Report_lv2Ntuple_user.woochun.mc09_7TeV.105001.pythia_minbias.merge.AOD.e517_s764_s767_r1302_r1306.Oct132010.101013042318.root

I was able to produce a Dp mass peak but not similar as the one shown in Gladilin's presentation.

Dp mass peak plot using two MC listed above: DpMassNoTruthMatchMC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysics/runall1

List of selection cuts:

* Nhits on SCT detectors>=4

* Pt(K)> 1.0, Pt(Pi1,Pi2)>0.8, max(Pt(Pi1, Pi2))>1.0, abs(eta(K, Pi1, Pi2))<2.5, cos(K)<-0.8

* delta(M12)< 153 MeV and abs[M(K,K)-M(Phi in PDG)]<8 MeV

* d0PV<0.15, z0PVsin<0.3

* Pt(D)>3.5, abs[eta(D)]<2.1

* Pt(D)/Et>0.02

topic: ntuples for different B meson decay modes
comments: Dr.Park made MC ntuples for two more decay modes

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.999998.PythiaB_Bd_Dp_Kstpi_localGenerated_16.2.0.6_13.3.1/

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.999999.PythiaB_Bs_Ds_KstK_localGenerated_16.2.0.6_13.3.1/

with 108497 series MC included in Dp mass peak plot, we have more clean signal peak: DpMassNoTruthMatchMCv2.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysics/runall2

**Dec 21 2010**

topic: making level1 ntuples with more true Bs and B0 decay modes included

comments: Dr.Park is making more ntuples

list of decay modes

*BdDppi_DpKstpi_KstKpi=100

*BsDspi_Dsf0pi_f0pipi=226

*BsDspi_DsPhipi_PhiKK =228

*BsDspi_DsKKst_KstKpi =229

*BsDspi_Dsf0pi_f0pipi=226 mode ntuple is created by Dr.Park

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.999997.PythiaB_Bs_Ds_f0pi_localGenerated_16.2.0.6_13.3.1/

B0 mass peak plot (no truth match): B0MassNoTruthMatchMC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysics/runall3
cuts (trial stage):

if ( abs(D0Mrf -1869.60) > 50.0) continue;

if ( DpPtReco < 5000.0) continue;

if ( recoPtPi < 1500.0) continue;

if ( DpPtReco+recoPtPi < 7500.0) continue;

signal monte-carlo for different Bs and Bd decay modes are copied to

/susyraid1/home/jkim/ntuples/MC/BPhysics/BdDpKstPi

/susyraid1/home/jkim/ntuples/MC/BPhysics/BsDsKstK

/susyraid1/home/jkim/ntuples/MC/BPhysics/BsDsf0pi

**Dec 22 2010**

topic: changing DmesonAnalysis.cxx to include three pion reconstruction case

comment: for *BsDspi_Dsf0pi_f0pipi=226 case, it is now needed to include three pion reconstruction cases. Currently all Bs decay events are reconstructed assuming that the decay products are kaons. Thus, when invariant mass of Ds is calculated for 226 case with current reconstruction scheme, it would produce an incorrect mass peak. Thus for three pions cases, reconstruction was done in a seperate function.

Three pion reconstruction in DmesonAnalysis.cxx

workingdir: /susyraid1/home/jkim/atlasdev/16.2.0.6/CharmAnalysis/src

void DmesonAnalysis::

getDspipipi(std::vector

When adding a reconstruction scheme in DmesonAnalysis package

*add its name in DmesonAnalysisJobOptions.py

if not vars().has_key("RecoDspipipi"):

RecoDspipipi = True

*add its name in AnalyzeBPhysLeptonDmesonSC.py

topSequence.DmesonAnalysis.recoDspipipi = RecoDspipipi

*declare property in DmesonAnalysis.cxx

declareProperty("recoDspipipi", m_recoDspipipi=true);

*add function in DmesonAnalysis.cxx

getDspipipi(std::vector

*declare function in DmesonAnalysis.h

getDspipipi(std::vector

*add decaytype in CharmReco.cxx

else if (decay == Dspipipi)

*add charge assignment routine in CharmCandidate.h (in CharmReport/ana/report/CharmCandidate.h)

*add CharmCandidate vector in ReportNtupleMaker.C (in analysis3/CharmLv2NtupleMaker/report)

B0 and Bs TruthMatch for different decay modes: BTruthMatchMC.pdf

**Dec 22 2010**

topic: B0 and Bs mass peak with fits

comments: So far we have checked whether we were able to observe a B0 and Bs mass peak using monte-carlo produced with a certain decay mode. Although mass peaks were successfully measured for different decay modes, we still need to study the selection criteria in depth, particularly pt cuts on outputs from decays.

B0 and Bs mass peak with fits without TruthMatch for different decay modes: BTruthMatchMCfit.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysics/runall9

When making level1 ntuples, in test10.py

GetFullTruthTable = True # default is false

will include truth information for events did not reconstructed

**Jan 03 2011**

topic: return to D meson
comments: before holiday break started, Dr. Purohit, Dr. Park and I discussed about the feasibility of search for Bs and we decided to go back to Ds and D0 analysis. And Dr. Park suggested to look for a Ds decay goes to K and K*0.

Ds mass peak using MC 104897 & 105001 combined: DsMassNoTruthMatchMC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysics/runall1

Ds mass peak plots using genertic MC no mass cut applied: DsNoMassCutMC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysics/runall2

using the following AOD files

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod0.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod1.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod100.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod101.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod102.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod103.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod2.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod3.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod4.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod5.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod6.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod7.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod8.pool.root

/atlasdisk1/wpark/MonteCarlo/AOD/16xx/mc10_7TeV.108416.PythiaB_Bs_Ds_PhiPi_Pi_Signal3_localGenerated_16.2.0.6_13.3.1/aod9.pool.root

Trk invariant mass pair in DsCand: TrkMassPairDsCandMC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysics/runall3

comment: I gave kaon mass to idxK and idxPi1, and pion mass to idxpi2.

**Jan 04 2011**

topic: Ds goes to K and Kst0

comment: So far I read MC with a specific decay channel included. In order to test Ds going to K and Kst0 I need to have a generic MC.

Trk invariant mass pair in DsCand using Generic MC (but with a mass cut in level2): TrkMassPairDsCandGenericMC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysics/runall4

comment: mass cut is already imposed

level1 generic MC is saved at

/atlasdisk3/AtlasData/CharmAnalysis/Reprocess05/MC

user.rbain.mc10_7TeV.105001.pythia_minbias.merge.AOD.e574_s932_s946_r1649_r1700.Dec172010.101217162841

user.rbain.mc10_7TeV.105001.pythia_minbias.merge.AOD.e574_s932_s946_r1649_r1700.Dec172010.101217163054

user.rbain.mc10_7TeV.105001.pythia_minbias.merge.AOD.e574_s932_s946_r1649_r1700.Dec172010.101217163303

user.rbain.mc10_7TeV.108497.PythiaB_cbmsel1_ChHadr.merge.AOD.e574_s933_s946_r1830_r1700.Dec172010.101217163604

user.rbain.mc10_7TeV.108530.Pythia_DstD0K3piFilter.merge.AOD.e632_s933_s946_r1830_r1700.Dec172010.101217155843

minbias 105001 20M

ChHadr: DpKpipi, D*D0pi and DpKpi 250k

rest: D*D0pi and D0K3pi

Trk invariant mass pair in DsCand using Generic MC (nomass cut in level2): TrkMassPairDsCandNoMassCutMC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysics/runall5

comment: Kst0 in Ds decay is K*(892)

**Jan 05 2011**

topic: searching for Ds goes to K and Kst0

comments: using the Gladilin's Ds selection criteria (when searching Ds through Phi channel), no Ds mass peak is observed. I need to tune the selection criteria for Kst0

DsCand ntuples (No mass cut) are saved at

/susyraid1/home/jkim/ntuples/MC/DPhysics/DsGenericNoMassCut

DsCand ntuples (No cut) are saved at

/susyraid1/home/jkim/ntuples/MC/DPhysics/DsGenericNoCut

Variables used in DsKKst0 selection criteria in signal and background region: DsKKst0CutMC.pdf

signal region: abs((M(Kst0Cand)-891.66)< 50.0)

background region: abs((M(Kst0Cand)-891.66)> 50.0)

Ds mass peak MC in KKst0 channel after changing D0Chi2 cut to 2 from 6: DsMassKKst0Chi2MC.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysics/runall6

Ds mass peak MinBiasData in KKst0 channel after changing D0Chi2 cut to 2 from 6: DsMassKKst0Chi2MinBiasData.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysics/runall7

**Jan 13 2011**

topic: making Bs mass peak using signal MC for four cases

comments: in the previous version of Bs mass peak plot, vertex cuts such as d0pv and z0pvsin(th) was not applied in Bs case but in Bd case. Now I removed d0pv and z0pv cuts from the ReportNtupleMaker.C and made Bs and Bd peak using signal MC again. Here be signal MC, we mean a MC where majority of events are signal events we are looking for.

Bs and Bd mass peak without d0pv and z0pvsin(th): BTruthMatchMCfitv4.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysicsv2/plots/BTruthMatchv4/runall10

Bs signal MC with d0pv and z0pvsin(th) is saved at

/susyraid1/home/jkim/analysis3/CharmLv2NtupleMaker/report/oldv3

Bs signal MC no d0pv and z0pvsin(th) is saved at

/susyraid1/home/jkim/analysis3/CharmLv2NtupleMaker/report/oldv2

**Jan 18 2011**

topic: running Bs analysis code on MinBias data
comments: Dr. Purohit suggested me to run my code (which was written initially to make sure we do observe a Bs signal peak using signal MC) on data set. Since the signal MC was generated only for MinBias trigger mode, I am going to run MinBias data.

BsDsPhipi mode reading MinBias Data (preliminary, and DsPt<5000GeV SpiPt<1000MeV cut applied on Bs part): BsSigPrelimMinBiasData.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysicsv3/runall11

Bs and Bd mass peak using signal mc d0pv and z0pvsin(th) but with pt cut on Ds and spi with and without truthmatching: BTruthMatchMCv5.pdf

Bs and Bd mass peak without d0pv and z0pvsin(th) but with pt cut on Ds and spi: BTruthMatchMCfitv5.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysicsv3/plots/BTruthMatchv5/runall12

comments: adding only a pt cut on ds and spi we were able to see a small Bs peak reading MinBias data (period A-C), however, to be more precise we need a cut-optimization process and need to impletment Bs vertex cut to be more efficienct in observing Bs signal using ALTAS data.

**Jan 19 2011**

topic: search for Bs using ATLAS data

comments: using signal MC generated by Dr.Park, we were able to see a Bs mass peak. But when reading MinBias data set, a Bs mass peak is not clearly observable. We may need more cut-optimization work in the near future before implementing a vertex cut in the Bs selection criteria.

Bs mass peak using signal MC and MinBias Data: BsMassMCData.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Bphysicsv3/runall13

selection criteria:

* PtDs > 5000.0

* PtSpi > 700 && PtSpi < 1200.0

* no Eta cut imposed

**Jan 24 2011**

topic: search for Ds goes to K and Kst0

comments: without applying angle (between K and Kst in Ds rest-frame), Ds mass peak in MinBias data is not clearly observable. Before reading data set, we might need to apply the angle cut first.

**Jan 27 2011**

topic: search for Ds goes to K and Kst0

comments: an angle between K and pi in Ds rest-frame looks a promising candidate to seperate a Ds going to K and Kst0 decay mode from backgrounds. We need more study to confirm this is indeed the case.

Helicity angle cut for Ds goes to K and Kst0 search: Kst0KpiCut.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv1/runall8

comments: Dr. Purohit suggested

* seperated signal and background MC by making sure that whether the candidate is indeed Ds going to K and Kst0 in the true level. Among the Ds going to K and Kst0 in the reco, if the candidates' particle ids are 2K and 1pi and parent particle id of oppositely charged one K and one pi is the id of Kst0, then it is a signal MC, and if it is not then it is a background MC

* helicity angle is an angle between two Ks in Kst0 rest frame

**Feb 09 2011**

topic: searching for Ds goes to K and Kst0

comments: As Dr.Purohit mentioned, finding events with correct truth-level particle id and indices needs to be done first. Thus, I am going to read MinBias MC ntuples and see how many Ds events decays to K and Kst0 at truth-level.

comments: reading 10k events of MinBias MC (no selection criteria for Ds going to phipi channel applied), about eight events passed truth-matching. In the KKst0 truth-matching, I required there are two Ks and one pi and parent particle of the pion is Kst0 and parent particle of two Ks must be either Kst0 or Ds.

KKst0 truth-matching search is done at

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv2

root -q -l runanas2.C

comments: Dr. Park wants me to work on Ds trigger-related study using phipi channel first before getting into KKst0 study. I first need to reproduce what Leonard did for phipi search using selection criteria he used.

minbias and filter 105001 and 108497 MC for phipi study is saved at

/susyraid1/home/jkim/ntuples/MC/DPhysics/DsTriggerStudy

level1 minbias data ntuples are saved at

/atlasdisk3/AtlasData/CharmAnalysis/Reprocess05/MinBias/

Ds mass peak (Phipi channel) reading 105001 and 108497 MC with Leonid selection criteria: DsPhipiLeonidCutMinbiasMC.pdf

/susyraid1/home/jkim/analysis3/CharmLv2NtupleMaker/report/runall1

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv3/runall9

**Feb 10 2011**

topic: Search for Ds goes to phipi using Leonid's selection criteria
comments: using Leonid's selection criteria, I need to make sure that my Ds mass peak is indeed same as that of what Leonid produced before. And then I can work on Bs trigger-related study

MinBias MC level2 ntuples

/susyraid1/home/jkim/ntuples/MC/DPhysics/DsTriggerStudy

MinBias Data level2 ntuples

/susyraid1/home/jkim/ntuples/Data/DPhysics/DsTriggerStudy

comments: these ntuples were made without Pt(Ds) greater than 3500 MeV applied so that I can check Ds Mass Peak in different mass peak region

Ds mass peak (Phipi channel) reading 105001 and 108497 MC and Data with Leonid selection criteria: DsPhipiLeonidCutMinbiasDataMCv1.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv3/runall10

comments: shape looks ok but statistics are much lower than what Leonid has. We may need more study why it is not almost identical.

Bs mass peak (Phipi channel) reading 105001 and 108497 MC and Data with Leonid selection criteria for Ds and Pt(Bs)>8GeV: BsPhipiLeonidCutPt8MinbiasDataMCv1.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv4/runall11

comments: total statistics I am getting in Ds mass peak plot is about half of what Leonid is getting by reading 04 version of 105001 and 108497 MinBias MC.

version04 MinBias MC, MinBias Data (Period A-D)

trigger condition for MinBias Data
if ( ! ( (run>=152166&&run<=153200&&l1mbts&0x000080) || (run>=153565&&(efmbts&0x000080||efmbsptrk&0x01)) ) ) continue;

**Feb 11 2011**

topic: Bs trigger study

comments: For Bs trigger study, I need to make sure that I am getting same Ds signal yield using MC and Data set Leonid used. Although they are mentioning about trigger-scaled signal yield, it seems that they are not applying trigger corrections in their analysis.

RooFit script to add one modified Gaussian for signal and exponential function for background is saved at

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv5/DsLeonidv4.C

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv5/DsLeonidv5.C

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv5/DsLeonidv6.C

Ds mass peak using Minbias Data in different pt region (with and without trigger prescale applied): DsTrigger.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv5/runall12

comments: when background pdf is superimposed on total pdf, background pdf has higher yield in the background region.

Ds mass peak fit on Minbias Data using modified Gaussian and an exponential function: DsDpFit.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv5/runall13

**Feb 14 2011**

topic: Bs trigger study

comments: Total number of truth Ds goes to phi and pi in 105001 and 108497 MC quoted in Miriam's presentation is 6068 with Pt greater than 3.5 GeV. Since I am using same MC set, I should get same number of truth Ds goes to phi and pi with same pt cut. But since I was reading level2 ntuples where selection criteria is already applied, I was not able to get the same number. With level1 ntuples where there is not cuts applied in the truth information, I should get same number.

generating header file and making a main code where a macro to read a root file is written is saved at

/susyraid1/home/jkim/readLevel1/report

comments: with Pt cut greater than 3.5GeV and Eta cut at 2.1, I was able to get 6065, which is close to 6068, number quoted in Miriam's presentation.

log file to see total number of truth Ds goes to phi and pi in 105001 and 108497 MC: test.log

comments: Dr.Park mentioned in the code where level1 ntuples are made, charge cuts to select Ds goes to phi and pi were not done appropriately. Dr.Park is going to fix this and let me know.

Ds and Dp mass peak fit routine is written and a script to run it and save a postscript file is saved at

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv7/runall14

**Feb 15 2011**

topic: Ds level1 ntuple bug fix

comments: Dr.Park fixed charge conjugate bug in the Ds selection criteria and made level1 105001 and 108497 MinBias MC ntuples again.

a script to make level2 ntuples using charge-cut fixed bug is saved at

/susyraid1/home/jkim/analysis3/CharmLv2NtupleMaker/report/runall4

comments: In 105001 and 108497 level2 MC ntuples, with preselection critieria applied, 916 Ds goes to phi and pi and 781 goes to K and Kst0 were found.

/susyraid1/home/jkim/analysis3/CharmReport/run.DsTruthv1

comments: Dr.Park wants me to make a Ds summary table and include it in the internal note. I need to count Ds MinBias MC and Data in each pt and eta bin. Dr. Park sent me an email with a directory path included.

**Feb 16 2011**

topic: making level2 ntuple
comments: Dr.Park made all MinBias 105001 and 108497 MC level1 ntuples

a script to make a level2 Data ntuple for Ds search is saved at

/susyraid1/home/jkim/analysis3/CharmLv2NtupleMaker/report/runall6

Ds mass peak fitting using bug-fixed MinBias 105001 and 108497 MC and Data: DsDpFitv2.pdf

Ds sign yield and acceptance table using using bug-fixed MinBias 105001 and 108497 MC: DsResultv2.txt

comments: Dr.Park wants to see whethere we can improve chi2 in Ds mass peak fit using MinBias 105001 and 108497 MC set. Using bug-fixed MinBias 105001 and 108497 MC, we are getting similiar result of what Leonid and Miriam quoted in their presentation. But background level in the Pt>5GeV is lower when using our MC and need more study to see why it is lower.

**Feb 17 2011**

topic: fitting Ds mass peak

comments: Dr.Park made level1 ntuples for MinBias Data period B and C, but there was a problem in period B data. He is going to remake level1 MinBias data for the period and let me know.

Ds mass peak MinBias Data AtoC before bug-fixed: DsDpFitv3.pdf

MC signal yield result (mine and Miriam's): DsResultv3.txt

Ds yield table using MinBias 105001 and 108497 MC and Data AtoC: DsSumv3.tex

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv8/runall16

Ds mass peak MinBias Data AtoC charge conjugate bug-fixed: DsDpFitDatav5.pdf

Ds mass peak MinBias 105001 and 108497 MC charge conjugate bug-fixed: DsDpFitMCv5.pdf

Ds mass peak MinBias 105001 and 108497 MC and Data charge conjugate bug-fixed: DsDpFitTotalv5.pdf

MC signal yield result (mine and Miriam's) charge conjugate bug-fixed: DsResultv5.txt

Ds yield table using MinBias 105001 and 108497 MC and Data AtoC charge conjugate bug-fixed: DsSumv5.tex

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv9/runall18

comments: using bug-fixed MinBiad Data ntuples I was able to get similar result to what Miriam quoted in his presentation. But errors associated with xsec and signal yield I am getting is smaller than what Miriam was quoted in his presentation.

**Feb 17 2011**

topic: implmenting trigger study

comments: Miriam made a presentation on trigger study and he wants to discuss our strategy to implment trigger study in our package

comments: when two quantities are not correlated, errors associated to two quantities needs to be added in quadrature

topic: Bs trigger study

comments: this trigger study is to find a trigger which will make our search for Bs goes to Ds and pi easier while not influencing research of other collaboration members. It is done using MC only, but later we are going to do the same with Data. There are total three levels of triggers, L1, L2 and Event filter. L1 trigger is faster trigger in terms of selecting events. Out of 40 million events in each second in the Atlas detector, only about 100k events will pass L1 trigger, and depends on the type of L2 trigger different number of events will be saved. Since we are allowed to save only 200 events per second, Bs trigger rate needs to be less than 200 Hz. One Dr.Park understands how to use trigger related package in Athena, then he will let me know how to start trigger study.

**Feb 22 2011**

topic: searching Ds goes to K and Kst0 in level1 ntuples

comments: we confirmed that there are 6065 true Ds goes to Phi and pi and I searched for true Ds goes to K and Kst0 in level1 ntuple where there is no selection cuts applied.

Ds goes to K and Kst0 in level1 ntuples: testv3.log

**Feb 23 2011**

topic: searching Ds goes to K and Kst0

comments: using 105001 and 108497 MinBias MC with charge bug fixed we are going to see the size of true Ds goes to K and Kst0 after all selection criterias applied

preprocessed (prod04) version of 105001 and 108497 MinBias MC level2 ntuples without cuts on individual output particles are saved at

/susyraid1/home/jkim/ntuples/MC/prod04/DPhysics/noPhiCut

out of 5859 true Ds goes to K and Kst0 at level1 ntuples, 736 Ds matched with reconstructed Ds with selection criterias applied

out of 6068 true Ds goes to Phi and pi at level1 ntuples, 1038 Ds matched with reconstructed Ds with selection criterias applied

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv10/testv1.log

helicity angle, Kst0 invariant mass and chi2 true and not true 105001 and 108497 MinBias MC: cutCandKKst0v1.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv10/runall19

comments: Dr.Park suggested me to first make production angle and helicity angle distributions using Phipi decay mode and see whether I am getting a similar result. And then when making Kst0 invariant mass distribution, apply Ds mass cut so that we can remove small Ds mass peak in the not true MC. And then make production angle and helicity angle distributions using KKst0 channel and see whether applying cuts based one these two angle could be a help

* production angle: angle between kaon from Ds in lab frame and in Ds rest frame

* helicity angle: angle between two kaons in Kst0 rest frame, or angle between Ds and kaon from Ds in Kst0 rest frame

**Feb 24 2011**

topic: including charge cut when finding true Ds goes to K and Kst0

comments: Dr.Park suggested me to include a charge cut when finding true Ds goes to K and Kst0.

comments: in pdg, the branching fraction of Ds goes to Phipi and KKst0 is about 2.3 to 2.6, thus in principle true Phipi and true KKst0 in Ds should be 2.3 to 2.6. But in cdf, their signal yield ratio of Phipi and KKst0 is about 160 to 90.

production angle, helicity angle and intermidiate state invariant masses for KKst0 and Phipi with and without Ds mass cut:: cutCandKKst0v2.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv12/runall20

comments: production and helicity angle cut distributions I am getting look different from what Leonid shown in his presentation. Since I do not know which cuts Leonid applied before making his production and helicity angle distributions in his presentation, I need more study.

comments: most KKst0 are in 108497 MC, and Leonid made a hard fragmentation cut before making production and helicity angle cuts.

**Feb 25 2011**

topic: Ds xsec study

comments: during the discussion with Dr.Purohit yesterday, he mentioned that our Ds xsex in eta bin is not consistent with what Leonid and Miriam produced and I think this is because a hard fragmentation cut in Dr.Park's level1 ntuple is different from what Leonid and Miriam were using.

**Feb 28 2011**

topic: optimizing selection criteria for Ds search

comments: Dr.Park mentioned that Leonid chose his selection cuts for Ds search by looking at MC distributions, but in principle I think it should be done using figure of merit distribution.

Ds production and helicity angle distribution for signal and background, and its form in forward and backward direction: cutLeonidv3.pdf

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv13/runall21

comments: in the fom distributions we do not see a clear peak. I need more study.

comments: fom definition: signal/sqrt(background)

comments: a new version of CharmReport package is saved at

/susyraid1/home/jkim/analysis4/CharmReport

comments: filtering c++ error messages

c++filt _ZN11NtupleMaker3CutEx

**Mar 01 2011**

topic: writing Ds search routine

comments: Dr.Park made a new version of level1 and level2 ntuples where a hard fragmentation cut is fixed. Since he added more variables and changed ntuples structures we need to write Ds search routine again

new version of code is saved at

/susyraid1/home/jkim/analysis4/CharmReport/Dphysicsv2

**Mar 02 2011**

topic: making Ds mass peak distribution using new level2 ntuples
comments: Dr.Park made new level 2 ntuples for Ds search and he made a few changes in the new ntuples. He did not include production and helicity angle cuts and imposed a loose phi mass cut (40 MeV instead of 6 MeV) cut to make phi distributions. I need to make sure that I am going to apply cuts that Leonid imposed for his Ds analysis.

Ds mass peak, nDs per Dcand and a hard fragmentation distributions using MinBias mc09 108497: ntcutsv1.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv3/runall1

comments: Using my code I am getting a similar Ds mass peak distribution. But when a Ds mass peak is made using level2 ntuples directly by D0M commands, its statistics is same as the number of Dcand, not total Ds candidate. Furthermore, I do not think a hard fragmentation cut is applied in the new level2 ntuple Dr.Park made.

production and helicity angle of Ds goes to Phipi using MinBias mc09 108497 level2 ntuple where phi mass cut is applied: cutLeonidv4.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv3/runall2

comments: production angle distributions made using a new version of level2 ntuples now is similar to what Leonid presented in his presentation, but it is hard to fully confirm that we are getting same distributions because we do not know which cuts he applied before making his production angle distributions.

comments: Dr.Park changed a few ntuple variables in a new version of level2 ntuples as requested by Dr.Purohit. In TrkCandidate, we have momentum variables in spherical coordinate instead of cartesian coordinate. In ntupleMaker.C, Dr.Park did a conversion from spherical to cartesian coordinate and I can follow the same method.

**Mar 03 2011**

topic: running Ds code

comments: There was a bug in the eta bin cut and I fixed it. I was using a wrong eta

Ds xsec comparison plots and tables after eta bin bug fixed but using level2 ntuples with a hard fragmentation cut is not fixed yet is saved at

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv13/plots/fitHistv4

production and helicity angle cut with charge-conjugate and a hard fragmentation bug is fixed level2 mc09 108497 ntuples: cutFomcv3.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv3/runall3

comments: production and helicity angle for true and not true mc events are similar to what Leonid shown in his presentation, but his cut of production angle at 0.4 is hard cut and we are thinking to loose the cut a little and see how it is going to effect our result.

comments: I was running two loops in the Ds routine. I fixed the problem and running my code at

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv4

entries ratio of new and old data level2 ntuples is saved at

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv4/dataEntries.txt

**Mar 04 2011**

topic: Ds search using ntuples where a hard fragmentation cut is fixed

comments: using ntuples where a hard fragmentation cut is fixed, our result is not similar to what Leonid shown in his presentation. I need more study.

Ds result using level2 ntuples where a hard fragmentation cut is not fixed thus not applied is saved at

/susyraid1/home/jkim/analysis3/CharmReport/run.Dphysicsv15

**Mar 08 2011**

topic: selection critierias in the level2 ntuples

comments: d0z0 cut may not be applied in the level2 ntuples.

Dr.Park saved pre-2010 version level1 ntuples at

/atlasdisk2/AtlasData/CharmAnalysis/Pre-Nov2010_FullEDM

level2 ntuple making code using bug fixed pre-2010 version level1 ntuples is saved at

/susyraid1/home/jkim/analysis6/CharmReport/run.NtupleMaker/runall1

using newly created level2 ntuples where Dcand variable definitions are fixed, results produced when reading new version and old version is similar. Using new ntuples mc09 108497, I am getting 1894 Ds candidates passing all the selection criterias except a hard fragmentation cut and using old ntuples I am getting 1895. Log file is saved at

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv4/test.log

Ds mass peak, nDs per Dcand and a hard fragmentation distributions using MinBias mc09 105001 and 108497 after d0m bug fixed: ntcutsv5.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv5/runall1

production and helicity angle of Ds goes to Phipi using MinBias mc09 105001 and 108497 level2 ntuple where phi mass cut is applied after d0m bug fixed: cutLeonidv5.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv5/runall2

production and helicity angle cut with charge-conjugate and a hard fragmentation bug is fixed level2 mc09 105001 and 108497 ntuples: cutFomcv5.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv5/runall3

making level3 ntuples where only decayType25 is included is saved at

/susyraid1/home/jkim/ntupleReduce

Ds mass peak MinBias Data AtoC a hard fragmentation and z0 cut fixed: DsDpFitDatav6.pdf

Ds mass peak MinBias 105001 and 108497 MC a hard fragmentation and z0 cut fixed: DsDpFitMCv6.pdf

Ds mass peak MinBias 105001 and 108497 MC and Data a hard fragmentation and z0 cut fixed: DsDpFitTotalv6.pdf

Ds yield table using MinBias 105001 and 108497 MC and Data a hard fragmentation and z0 cut fixed: DsSumv6.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv5/runall4

comments: Luminosity for period A through C is 1.005, not 0.949 nanobarn, which is what Miriam quoted in his presentation. This could be one of reasons why his xsec is higher than those Leonid shown in his presentation. Our result is close to Leonid in terms of xsec.

Ds mass peak using MinBias Data AtoD2 and mc09 105001 and 108497 after a hard fragmentation cut and z0 cut fixed: DsDpFitTotalv7.pdf

Ds yield table using MinBias 105001 and 108497 MC and Data AtoD2 after a hard fragmentation and z0 cut fixed: DsSumv7.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv6/runall6

comments: with period D1 and D2 included in the Ds mass fitting, our result is consistent to what Leonid shown in his presentation. Our data signal yield is 302, and his is 304. Our xsec is 163 mubarn and his is 168. But since mc signal acceptance is different by 0.14 percent, we need more study.

production and helicity angle, and pt fraction for true and not true mc09 105001 and 108497 with FoM distributions: cutFomcv7.pdf

**Mar 09 2011**

topic: optimizing cuts in Ds search

comments: when Leonid was deciding cut levels, we think that he did not used FoM optimizing method. I am going to see whether his cut level for production, helicity angle and fraction of Pt cut is reasonable or not.

production and helicity angle, and fraction of Pt after all other cuts are applied for mc09 105001 108497 and MinBias Data: cutcv1.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv7/runall8

comments: since production and helicity angle Data and MC distributions agrees well, I think it is legitimate to use these when applying cuts. Particularly in production angle distribution, we are getting rid of region (angle greater than 0.8) when a cut less than 0.6 or 0.4 is going to be applied. But fraction of Pt does not agree well.

Ds mass peak MinBias Data AtoC new production and helicity angle cuts: DsDpFitDatav8.pdf

Ds mass peak MinBias 105001 and 108497 MC new production and helicity angle cuts: DsDpFitMCv8.pdf

Ds mass peak MinBias 105001 and 108497 MC and Data new production and helicity angle cuts: DsDpFitTotalv8.pdf

Ds yield table using MinBias 105001 and 108497 MC and Data new production and helicity angle cuts: DsSumv8.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv8/runall9

production and helicity angle, and fraction of Pt after all other cuts are applied for mc09 105001 and MinBias Data: cutcv2.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv9/runall10

comments: using mc09 105001 MinBias MC only fraction of Pt distribution does not change much. We have more low fraction of Pt Data than MC and we need more study to understand why.

Dr.Park's example code to use trigger in case of chic search is saved at

/susyraid1/home/jkim/analysis5/CharmReport/ana/chic/getPhoton.C

Trigger menu is saved at: https://svnweb.cern.ch/trac/atlasgrp/browser/Institutes/USC/CharmAnalysis/trunk/src/TriggerMenu.cxx

comments: Dr.Park suggested me to fit Ds using all l1jet and l1em triggers available in the TriggerManu.cxx and see whether our result is consistant with what Miriam shown in her presentation on Bs trigger study.

trigger-dependent Ds signal yield fit result using L1Calo Data period AtoC: DsDpFitTrdv1.pdf

trigger-dependent Ds signal yield result using L1Calo Data period AtoC: DsYieldTrdv1.pdf

trigger-dependent Ds signal yield result in txt format: DsTrdResultv1.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.dcut/runall9

comments: Using L1Calo Data we made signal yield distribution as a function of trigger types, but the ratio of signal yield betwen L1_J5 and L1_J10 we are getting using reconstructed Data is different from what Miriam shown in her presentation. Her number is about 26%.

**Mar 10 2011**

topic: trigger dependent Ds

comments: Dr.Park suggested me to test EF trigger dependent Ds signal yield including EF_MU6_DsPhiPi and EF_mu6_DsPhiPi

Et, Pt(Ds) and nTrk correlation plot using mc09 105001 108497 and MinBias Data period AtoC to see whethere we can minimize discrepancy between MC and Data in a hard fragmentation cut: ptettrkc.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv10/runall11

comments: Dr.Park suggested me to make distributions as a function of Data period and he also suggested me to make plots of nTrk as a function of individual track's pseudorapidity. For each event we have x nTrk, and for each track, find its pseudorapidity and fill it in the histogram, and then do this for all events.

comments: we can correct MC hard fragmentation distribution by Data and MC ratio pdf ditribution of nTrk vs Et.

trigger-dependent Ds signal yield fit result using L1Calo Data period AtoC with ef trigger included: DsDpFitTrdv2.pdf

trigger-dependent Ds signal yield result using L1Calo Data period AtoC with ef trigger included: DsYieldTrdv2.pdf

trigger-dependent Ds signal yield result in txt format with ef trigger included: DsTrdResultv2.txt

efjet trigger-dependent Ds signal yield result using L1Calo Data period AtoC: DsYieldTrdEfv2.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv2/runall10

nTrk as a function of Et for each MinBias Data period: ptettrkcep.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv11/runall12

**Mar 11 2011**

topic: applying weight on a hard fragmentation

comments: since a hard fragmentation is different between Data and MC, we can apply a weight on MC events based on the Data and MC ratio of Et and nTrk distribution.

pdf function of nTrk as a function of Et using MinBias Data period AtoC and mc09 105001 108497: nTrkEtPdfv12.pdf

fraction of Pt not corrected, corrected by nTrkEtpdf using mc09 105001 108497 and MinBias Data period AtoC: cutcv12.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.Dphysicsv12/runall13

comments: eta of indivudial track distribution is quite different between Data and MC

**Mar 12 2011**

topic: comparing fraction of Data and MC Pt of Ds after background subtraction

comments: when Dr.Purohit saw a discrepancy between Data and MC Pt of Ds, he suggested me to make a background subtracted Data and MC distributions and compare them.

background subtracted Pt of Ds using MinBias Data and mc09 105001 108497: DsBakSub.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv4/runall11

nof reconstructed tracks as a function of eta using MinBias MC and Data: etalevel1.pdf

/susyraid1/home/jkim/readLevel1/etav1/runall2

level2 ntuples mc09 105001 108497 I made including only decayType25 is saved at

/susyraid1/home/jkim/ntuples/MC/prod04/DPhysics/loosePhiCut

**Mar 13 2011**

topic: making level2 ntuples with decaytype25

comments: ReportNtupleMaker.C is written so that it is going to save truth information for every reconstructed passing selection criterias, but I do not need all that much information for Ds search. I need to save truth information for events where at least one D meson candidate is reconstructed. Modified ReportNtupleMaker.C is saved at

/susyraid1/home/jkim/analysis6/CharmReport/ana/ntupleMaker

level2 ntuples mc09 105001 108497 I made including events where at least one dstar candidate exist is saved at

/susyraid1/home/jkim/ntuples/MC/prod04/DPhysics/cutPhi40MeVv2

nTrk, SumEt and PtOfDs using mc09 105001 108497 and MinBias Data period AtoC after all the cuts applied but a hard fragmentation cut: cutcv9.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv6/runall12

level2 ntuples for Ds search with no cuts applied but Pt and Eta on total Ds is saved at

/susyraid1/home/jkim/ntuples/MC/prod04/DPhysics/nocuts

**Mar 14 2011**

topic: making level2 ntuples with decaytype25

comments: level2 ntuples I produced using ReportNtupleMaker.C is different. I need more study.

comments: Dr.Park mentioned that we do need truth information for every event so that we can calculate acceptance of Ds search. But he said we do not need track information for events where there are no Ds reconstructed.

nof reconstructed tracks as a function of eta using level2 ntuples mc09 105001 108497 and MinBias Data Period AtoC: etalevel2.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv8/runall13

distribution of cuts and its FoM using level2 mc09 105001 108497 and MinBias Data Period AtoC: cutFomcv10.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv9/runall14

**Mar 15 2011**

topic: eta as a function of nTrk

comments: since eta distribution of Data and MC are different, we need more study.

momentum along each axis using a fraction of MinBias Data and mc09 105001 for each trk reconstructed: nTrkafoP.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv11/runall15

Ds fitting using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cuts: DsDpFitCut.pdf

Ds SignalToNoise ratio and xsec result using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cuts: result.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv13/runall16

old cuts

*bool cutLxy=( Dcand_D0Lxy[i]<0.4);

*bool cutCosProd= (cosProd>0.4);

*bool cutCosHel= (fabs( pow(cosHel,3) ) < 0.2);

*if ( (ptds/MESumEt) < 0.02) continue;

new cuts

*bool cutLxy=( Dcand_D0Lxy[i]<0.5);

*bool cutCosProd= (cosProd>0.8);

*bool cutCosHel= (fabs( pow(cosHel,3) ) < 0.35);

*if ( (ptds/MESumEt) < 0.05) continue;

True Ds goes to Phi and pi I am getting is same as what Miriam quoted in her presentation. My result is saved at

/susyraid1/home/jkim/analysis5/CharmReport/run.truthdcut

True Ds goes to Phi log file using mc09 105001 108497: true.log

/susyraid1/home/jkim/analysis5/CharmReport/run.truthdcut/true.log

**Mar 16 2011**

topic: reading true Ds in Pt and Eta bins

comments: our result of true Ds in Pt and Eta bins reading level2 mc09 105001 108497 ntuples is identical to what Miriam presented in her presentation

fraction of Pt in SumEt with weight applied using mc09 105001 108497 and MinBias Data Period AtoC and its ratio: cutPtFracSumEt.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv14/runall17

Ds signal fitting using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cut, and with and without SumEt weight: DsDpFitCutv14.pdf

Ds fitting result using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cut, and with and without SumEt weight: resultv14.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv16/runall18

**Mar 17 2011**

topic: making level2 ntuples where no selection cuts are applied

comments: as part of cut optimization study, I am making level2 ntuples where no selection criteria is applied so that I can compare Ds xsec and signal yield with Leonids cuts and new cuts

**Mar 18 2011**

topic: making mc10 105001 108497

comments: when mc10 105001 108497 are ran, I got approxiamtely one-thrid of Ds candidates passing all the selection criteria in mc09 105001 108497. I need more study.

MinBias Data prod04 ntuples with no selection cuts I applied using bug-fixed ReportNtupleMaker.C are saved at

/susyraid1/home/jkim/ntuples/Data/prod04/DPhysics/nocutsv1

MinBias Data prod05 ntuples with no selection cuts I applied using bug-fixed ReportNtupleMaker.C are saved at

/susyraid1/home/jkim/ntuples/Data/reprocess05/DPhysics/nocutsv1

B physics hadronic subgroup meeting agenda since 11 March 2010: bphysicsagenda.txt

Ds mass distribution using mc09 105001 and mc10 105001 without a hard fragmentation cut: mc09mc10v1.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv17/runall19

**Mar 21 2011**

topic: improving Ds search result

comments: Dr.Purohit said that I better use back MC under signal region, approximately 2 sigma from peak, when making FoM distribution to see where selection cut should be applied. He also mentioned that it is untimately important to reduce significance, square root of signal, when working on selection cuts.

**Mar 22 2011**

topic: changing selection cuts

comments: as Dr.Purohit suggested I made FoM distributions again based on the background and signal MC under the signal peak region. In the FoM distribution it did not change other selection cut but flight distance cut by 0.1

new cuts

*bool cutLxy=( Dcand_D0Lxy[i]<0.6);

*bool cutCosProd= (cosProd>0.8);

*bool cutCosHel= (fabs( pow(cosHel,3) ) < 0.35);

*if ( (ptds/MESumEt) < 0.05) continue;

distribution of cuts and its FoM using level2 mc09 105001 108497 and MinBias Data Period AtoC under signal peak region: cutFomcv19.pdf

Ds signal fitting using mc09 105001 108497 and MinBias Data Period AtoC changing selection cuts based on FoM using MC under signal peak region: DsDpFitCutv19.pdf

Ds fitting result using mc09 105001 108497 and MinBias Data Period AtoC changing selection cuts based on FoM using MC under signal peak region: resultv19.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv19/runall20

comments: with new selection cuts, not only signaltonoise ratio is improved but also the significance is improved.

**Mar 23 2011**

topic: estimating systematic uncertainty associated with xsec measurement

comments: although cut changing studies are necessary as part of systematic study I do not know by how much I need to change selection cuts to see the difference in the xsec.

Ds xsec difference with different selection cuts using mc09 105001 108497 and MinBias Data Period A, B and C: resultcutsv20.txt

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv22/runall21

Ds signal fitting preliminary result using mc10 105001 108497 and MinBias reprocessed Data Period A,B and C: DsDpFitCutmc10.pdf

/susyraid1/home/jkim/analysis5/CharmReport/run.dcutv22/runall22

comments: Dr.Park said that for mc10 I need to read ntuples saved at

/susyraid1/home/wpark/analysis/ATLASCharm/CharmReport/run.NtupleMaker/ntuple.fullD0M

comments: Dr.Pak suggested me to svn update Generators/MC10JobOptions

cmt package is saved at

/susyraid1/home/jkim/evtgen/Generators/MC10JobOptions/share

**Mar 28 2011**

topic: mc10 105001 and 108497

comments: level2 ntuples in /susyraid1/home/wpark/analysis/ATLASCharm/CharmReport/run.NtupleMaker/ntuple.fullD0M/ only have decatype=0 and 5. For my analysis I need to regenerate level2 ntuples including decaytype=25

mc10 with all truth information is included with no selection cuts applied are saved at

/susyraid1/home/jkim/ntuples/MC/prod04/DPhysics/nocutsv3

**Mar 30 2011**

topic: use mc10 and reprocessed data for Ds search

comments: using new mc sets, mc statistics looks normal
-- JaeKim - 20-Dec-2010

I | Attachment | History | Action | Size | Date | Who | Comment |
---|---|---|---|---|---|---|---|

B0MassNoTruthMatchMC.pdf | r1 | manage | 3.8 K | 2010-12-21 - 19:30 | JaeKim | B0 Mass Peak Plot No TruthMatch with trial cuts | |

BTruthMatchMC.pdf | r1 | manage | 10.9 K | 2010-12-23 - 19:50 | JaeKim | B0 and Bs mass peak plot for different decay modes, BsDsPhipi, BsDsKstK, BsDsf0pi, BdDpKstPi | |

BTruthMatchMCfit.pdf | r1 | manage | 68.4 K | 2010-12-23 - 19:51 | JaeKim | B0 and Bs mass peak plot with fits for different decay modes, BsDsPhipi, BsDsKstK, BsDsf0pi, BdDpKstPi | |

BTruthMatchMCfitv4.pdf | r1 | manage | 70.0 K | 2011-01-13 - 23:04 | JaeKim | Bs and Bd mass peak without d0pv and z0pvsin(th) using signal MC | |

BTruthMatchMCfitv5.pdf | r1 | manage | 68.6 K | 2011-01-18 - 22:31 | JaeKim | Bs and Bd mass peak without d0pv and z0pvsin(th) but with pt cut on Ds and spi | |

BTruthMatchMCv5.pdf | r1 | manage | 12.1 K | 2011-01-18 - 22:32 | JaeKim | Bs and Bd mass peak using signal mc d0pv and z0pvsin(th) but with pt cut on Ds and spi with and without truthmatching | |

BsMassMCData.pdf | r1 | manage | 5.7 K | 2011-01-19 - 17:10 | JaeKim | Bs mass peak using signal MC and MinBias Data | |

BsMassTruthMatch.pdf | r2 r1 | manage | 4.1 K | 2010-12-21 - 21:19 | JaeKim | Bs mass peak plot with and without TruthMatching used | |

BsPhipiLeonidCutPt8MinbiasDataMCv1.pdf | r1 | manage | 6.1 K | 2011-02-10 - 17:51 | JaeKim | Bs mass peak (Phipi channel) reading 105001 and 108497 MC and Data with Leonid selection criteria for Ds and Pt(Bs)>8GeV | |

BsSigPrelimMinBiasData.pdf | r1 | manage | 3.4 K | 2011-01-18 - 22:22 | JaeKim | BsDsPhipi mode reading MinBias Data (preliminary, and DsPt<5000GeV SpiPt<1000MeV cut applied on Bs part) | |

DpMassNoTruthMatchMC.pdf | r1 | manage | 3.9 K | 2010-12-20 - 22:05 | JaeKim | Dp Mass Peak Plot | |

DpMassNoTruthMatchMCv2.pdf | r1 | manage | 3.7 K | 2010-12-20 - 23:01 | JaeKim | Dp Mass Peak Plot with 108497 Series MC ntuple included | |

DsBakSub.pdf | r1 | manage | 3.8 K | 2011-03-12 - 23:43 | JaeKim | background subtracted Pt of Ds using MinBias Data and mc09 105001 108497 | |

DsDpFit.pdf | r2 r1 | manage | 62.6 K | 2011-02-12 - 17:18 | JaeKim | Ds mass peak fit on Minbias Data using modified Gaussian and an exponential function | |

DsDpFitCut.pdf | r2 r1 | manage | 39.7 K | 2011-03-15 - 22:07 | JaeKim | Ds fitting using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cuts | |

DsDpFitCutmc10.pdf | r2 r1 | manage | 76.8 K | 2011-03-30 - 19:01 | JaeKim | Ds signal fitting preliminary result using mc10 105001 108497 and MinBias reprocessed Data Period A,B and C | |

DsDpFitCutv14.pdf | r2 r1 | manage | 77.4 K | 2011-03-17 - 16:26 | JaeKim | Ds signal fitting using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cut, and with and without SumEt weight | |

DsDpFitCutv19.pdf | r1 | manage | 78.3 K | 2011-03-23 - 15:44 | JaeKim | Ds signal fitting using mc09 105001 108497 and MinBias Data Period AtoC changing selection cuts based on FoM using MC under signal peak region | |

DsDpFitDatav5.pdf | r3 r2 r1 | manage | 56.1 K | 2011-03-03 - 16:58 | JaeKim | Ds mass peak MinBias Data AtoC charge conjugate bug-fixed | |

DsDpFitDatav6.pdf | r1 | manage | 56.1 K | 2011-03-08 - 22:32 | JaeKim | Ds mass peak MinBias Data AtoC a hard fragmentation and z0 cut fixed | |

DsDpFitDatav8.pdf | r1 | manage | 56.3 K | 2011-03-09 - 18:12 | JaeKim | Ds mass peak MinBias Data AtoC new production and helicity angle cuts | |

DsDpFitMCv5.pdf | r3 r2 r1 | manage | 56.9 K | 2011-03-03 - 16:58 | JaeKim | Ds mass peak MinBias 105001 and 108497 MC charge conjugate bug-fixed | |

DsDpFitMCv6.pdf | r1 | manage | 57.0 K | 2011-03-08 - 22:33 | JaeKim | Ds mass peak MinBias 105001 and 108497 MC a hard fragmentation and z0 cut fixed | |

DsDpFitMCv8.pdf | r1 | manage | 57.1 K | 2011-03-09 - 18:12 | JaeKim | Ds mass peak MinBias 105001 and 108497 MC new production and helicity angle cuts | |

DsDpFitTotalv5.pdf | r3 r2 r1 | manage | 20.7 K | 2011-03-03 - 16:57 | JaeKim | Ds mass peak MinBias 105001 and 108497 MC and Data charge conjugate bug-fixed | |

DsDpFitTotalv6.pdf | r1 | manage | 20.5 K | 2011-03-08 - 22:32 | JaeKim | Ds mass peak MinBias 105001 and 108497 MC and Data a hard fragmentation and z0 cut fixed | |

DsDpFitTotalv7.pdf | r1 | manage | 20.6 K | 2011-03-08 - 22:51 | JaeKim | Ds mass peak using MinBias Data AtoD2 and mc09 105001 and 108497 after a hard fragmentation cut and z0 cut fixed | |

DsDpFitTotalv8.pdf | r1 | manage | 20.9 K | 2011-03-09 - 18:12 | JaeKim | Ds mass peak MinBias 105001 and 108497 MC and Data new production and helicity angle cuts | |

DsDpFitTrdv1.pdf | r1 | manage | 147.6 K | 2011-03-10 - 01:18 | JaeKim | trigger-dependent Ds signal yield fit result using L1Calo Data period AtoC | |

DsDpFitTrdv2.pdf | r1 | manage | 364.3 K | 2011-03-10 - 22:48 | JaeKim | trigger-dependent Ds signal yield fit result using L1Calo Data period AtoC with ef trigger included | |

DsDpFitv2.pdf | r1 | manage | 99.1 K | 2011-02-16 - 19:53 | JaeKim | Ds mass peak fitting using bug-fixed MinBias 105001 and 108497 MC and Data | |

DsDpFitv3.pdf | r2 r1 | manage | 43.3 K | 2011-02-17 - 20:42 | JaeKim | Ds mass peak MinBias Data AtoC before bug-fixed | |

DsKKst0CutMC.pdf | r1 | manage | 28.4 K | 2011-01-05 - 18:07 | JaeKim | Variables used in DsKKst0 selection criteria in signal and background region | |

DsMassKKst0Chi2MC.pdf | r1 | manage | 3.8 K | 2011-01-05 - 18:08 | JaeKim | Ds mass peak MC n KKst0 channel after changing D0Chi2 cut to 2 from 6 | |

DsMassKKst0Chi2MinBiasData.pdf | r1 | manage | 3.7 K | 2011-01-05 - 19:03 | JaeKim | Ds mass peak MinBiasData in KKst0 channel after changing D0Chi2 cut to 2 from 6 | |

DsMassNoTruthMatchMC.pdf | r1 | manage | 3.6 K | 2011-01-03 - 19:12 | JaeKim | Ds mass peak plot using MC series 108497 & 105001 combined | |

DsNoMassCutMC.pdf | r1 | manage | 3.8 K | 2011-01-03 - 19:53 | JaeKim | Ds mass peak plots using genertic MC no mass cut applied | |

DsPhipiLeonidCut.pdf | r2 r1 | manage | 3.9 K | 2011-02-10 - 16:35 | JaeKim | Ds mass peak (Phipi channel) reading 105001 and 108497 MC with Leonid selection criteria | |

DsPhipiLeonidCutMinbiasDataMCv1.pdf | r2 r1 | manage | 6.3 K | 2011-02-10 - 17:41 | JaeKim | Ds mass peak (Phipi channel) reading 105001 and 108497 MC and Data with Leonid selection criteria | |

DsPhipiLeonidCutMinbiasMC.pdf | r2 r1 | manage | 3.9 K | 2011-02-10 - 17:40 | JaeKim | Ds mass peak (Phipi channel) reading 105001 and 108497 MC with Leonid selection criteria | |

txt | DsResultv2.txt | r1 | manage | 0.6 K | 2011-02-16 - 19:53 | JaeKim | Ds sign yield and acceptance table using using bug-fixed MinBias 105001 and 108497 MC |

txt | DsResultv3.txt | r1 | manage | 0.6 K | 2011-02-17 - 19:35 | JaeKim | MC signal yield result (mine and Miriam's) |

txt | DsResultv5.txt | r2 r1 | manage | 0.6 K | 2011-03-03 - 16:57 | JaeKim | MC signal yield result (mine and Miriam's) charge conjugate bug-fixed |

tex | DsSumv3.tex | r1 | manage | 1.1 K | 2011-02-17 - 19:35 | JaeKim | Ds yield table using MinBias 105001 and 108497 MC and Data AtoC |

tex | DsSumv5.tex | r3 r2 r1 | manage | 1.3 K | 2011-03-03 - 16:57 | JaeKim | Ds yield table using MinBias 105001 and 108497 MC and Data AtoC charge conjugate bug-fixed |

txt | DsSumv6.txt | r1 | manage | 1.3 K | 2011-03-08 - 22:32 | JaeKim | Ds yield table using MinBias 105001 and 108497 MC and Data a hard fragmentation and z0 cut fixed |

txt | DsSumv7.txt | r1 | manage | 1.3 K | 2011-03-08 - 22:53 | JaeKim | Ds yield table using MinBias 105001 and 108497 MC and Data AtoD2 after a hard fragmentation and z0 cut fixed |

txt | DsSumv8.txt | r1 | manage | 1.3 K | 2011-03-09 - 18:11 | JaeKim | Ds yield table using MinBias 105001 and 108497 MC and Data new production and helicity angle cuts |

txt | DsTrdResultv1.txt | r1 | manage | 0.8 K | 2011-03-10 - 01:18 | JaeKim | trigger-dependent Ds signal yield result in txt format: |

txt | DsTrdResultv2.txt | r1 | manage | 2.4 K | 2011-03-10 - 22:48 | JaeKim | trigger-dependent Ds signal yield result in txt format with ef trigger included |

DsTrigger.pdf | r1 | manage | 9.6 K | 2011-02-11 - 18:21 | JaeKim | Ds mass peak using Minbias Data in different pt region (with and without trigger prescale applied) | |

DsYieldTrdEfv2.pdf | r1 | manage | 3.6 K | 2011-03-10 - 22:47 | JaeKim | efjet trigger-dependent Ds signal yield result using L1Calo Data period AtoC | |

DsYieldTrdv1.pdf | r2 r1 | manage | 3.2 K | 2011-03-10 - 01:33 | JaeKim | trigger-dependent Ds signal yield result using L1Calo Data period AtoC | |

DsYieldTrdv2.pdf | r1 | manage | 3.2 K | 2011-03-10 - 22:48 | JaeKim | trigger-dependent Ds signal yield result using L1Calo Data period AtoC with ef trigger included | |

Kst0KpiCut.pdf | r1 | manage | 30.9 K | 2011-01-28 - 18:57 | JaeKim | Helicity angle cut for Ds goes to K and Kst0 search | |

TrkMassPairDsCandGenericMC.pdf | r1 | manage | 7.9 K | 2011-01-04 - 17:28 | JaeKim | Trk Invariant Mass Pair in DsCand using generic MC but with a mass cut applied in level2 | |

TrkMassPairDsCandMC.pdf | r1 | manage | 8.1 K | 2011-01-04 - 16:56 | JaeKim | Trk Invariant Mass Pair in DsCand | |

TrkMassPairDsCandNoMassCutMC.pdf | r1 | manage | 8.0 K | 2011-01-04 - 22:19 | JaeKim | Trk Invariant Mass Pair in DsCand using generic MC no mass cut applied in level2 | |

txt | bphysicsagenda.txt | r1 | manage | 11.6 K | 2011-03-18 - 16:50 | JaeKim | B physics hadronic subgroup meeting agenda since 11 March 2010 |

cutCandKKst0v1.pdf | r1 | manage | 10.4 K | 2011-02-23 - 21:37 | JaeKim | helicity angle, Kst0 invariant mass and chi2 true and not true 105001 and 108497 MinBias MC | |

cutCandKKst0v2.pdf | r3 r2 r1 | manage | 24.8 K | 2011-02-24 - 22:05 | JaeKim | production angle, helicity angle and intermidiate state invariant masses for KKst0 and Phipi with and without Ds mass cut: | |

cutFomcv10.pdf | r1 | manage | 84.7 K | 2011-03-14 - 21:45 | JaeKim | distribution of cuts and its FoM using level2 mc09 105001 108497 and MinBias Data Period AtoC | |

cutFomcv19.pdf | r1 | manage | 82.2 K | 2011-03-23 - 15:45 | JaeKim | distribution of cuts and its FoM using level2 mc09 105001 108497 and MinBias Data Period AtoC under signal peak region | |

cutFomcv3.pdf | r2 r1 | manage | 16.5 K | 2011-03-03 - 20:29 | JaeKim | production and helicity angle cut with charge-conjugate and a hard fragmentation bug is fixed level2 mc09 108497 ntuples | |

cutFomcv5.pdf | r1 | manage | 16.7 K | 2011-03-08 - 19:51 | JaeKim | production and helicity angle cut with charge-conjugate and a hard fragmentation bug is fixed level2 mc09 105001 and 108497 ntuples | |

cutFomcv7.pdf | r1 | manage | 23.6 K | 2011-03-09 - 01:05 | JaeKim | production and helicity angle, and pt fraction for true and not true mc09 105001 and 108497 with FoM distributions | |

cutLeonidv3.pdf | r2 r1 | manage | 29.3 K | 2011-02-28 - 19:26 | JaeKim | Ds production and helicity angle distribution for signal and background, and its form in forward and backward direction | |

cutLeonidv4.pdf | r4 r3 r2 r1 | manage | 15.2 K | 2011-03-03 - 20:28 | JaeKim | production and helicity angle of Ds goes to Phipi using MinBias mc09 108497 level2 ntuple where phi mass cut is applied | |

cutLeonidv5.pdf | r1 | manage | 15.3 K | 2011-03-08 - 19:51 | JaeKim | production and helicity angle of Ds goes to Phipi using MinBias mc09 105001 and 108497 level2 ntuple where phi mass cut is applied after d0m bug fixed | |

cutPtFracSumEt.pdf | r2 r1 | manage | 13.3 K | 2011-03-16 - 17:49 | JaeKim | fraction of Pt in SumEt with weight applied using mc09 105001 108497 and MinBias Data Period AtoC and its ratio | |

cutcv1.pdf | r2 r1 | manage | 12.9 K | 2011-03-09 - 17:30 | JaeKim | production and helicity angle, and fraction of Pt after all other cuts are applied for mc09 105001 108497 and MinBias Data | |

cutcv12.pdf | r1 | manage | 4.6 K | 2011-03-11 - 18:30 | JaeKim | fraction of Pt not corrected, corrected by nTrkEtpdf using mc09 105001 108497 and MinBias Data period AtoC | |

cutcv2.pdf | r1 | manage | 13.0 K | 2011-03-09 - 19:18 | JaeKim | production and helicity angle, and fraction of Pt after all other cuts are applied for mc09 105001 and MinBias Data | |

cutcv9.pdf | r1 | manage | 10.2 K | 2011-03-13 - 23:28 | JaeKim | nTrk, SumEt and PtOfDs using mc09 105001 108497 and MinBias Data period AtoC after all the cuts applied but a hard fragmentation cut | |

etalevel1.pdf | r1 | manage | 4.7 K | 2011-03-13 - 00:47 | JaeKim | nof reconstructed tracks as a function of eta using MinBias MC and Data | |

etalevel2.pdf | r1 | manage | 5.6 K | 2011-03-14 - 20:02 | JaeKim | nof reconstructed tracks as a function of eta using level2 ntuples mc09 105001 108497 and MinBias Data Period AtoC | |

mc09mc10v1.pdf | r1 | manage | 5.7 K | 2011-03-18 - 17:23 | JaeKim | Ds mass distribution using mc09 105001 and mc10 105001 without a hard fragmentation cut | |

nTrkEtPdfv12.pdf | r1 | manage | 137.0 K | 2011-03-11 - 18:29 | JaeKim | pdf function of nTrk as a function of Et using MinBias Data period AtoC and mc09 105001 108497 | |

nTrkafoP.pdf | r1 | manage | 11.5 K | 2011-03-15 - 16:29 | JaeKim | momentum along each axis using a fraction of MinBias Data and mc09 105001 for each trk reconstructed | |

ntcutsv1.pdf | r4 r3 r2 r1 | manage | 8.8 K | 2011-03-03 - 20:27 | JaeKim | Ds mass peak, nDs per Dcand and a hard fragmentation distributions using MinBias mc09 108497 | |

ntcutsv5.pdf | r1 | manage | 8.5 K | 2011-03-08 - 19:49 | JaeKim | Ds mass peak, nDs per Dcand and a hard fragmentation distributions using MinBias mc09 105001 and 108497 after d0m bug fixed | |

ptettrkc.pdf | r1 | manage | 82.7 K | 2011-03-10 - 18:38 | JaeKim | Et, Pt(Ds) and nTrk correlation plot using mc09 105001 108497 and MinBias Data period AtoC to see whethere we can minimize discrepancy between MC and Data in a hard fragmentation cut | |

ptettrkcep.pdf | r1 | manage | 56.2 K | 2011-03-10 - 23:22 | JaeKim | nTrk as a function of Et for each MinBias Data period | |

txt | result.txt | r1 | manage | 0.5 K | 2011-03-15 - 22:06 | JaeKim | Ds SignalToNoise ratio and xsec result using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cuts |

txt | resultcutsv20.txt | r2 r1 | manage | 0.5 K | 2011-03-30 - 19:09 | JaeKim | Ds xsec difference with different selection cuts using mc09 105001 108497 and MinBias Data Period A, B and C: |

txt | resultv14.txt | r2 r1 | manage | 1.1 K | 2011-03-17 - 16:25 | JaeKim | Ds fitting result using mc09 105001 108497 and MinBias Data Period AtoC with Leonid's cut and new cut, and with and without SumEt weight |

txt | resultv19.txt | r1 | manage | 1.1 K | 2011-03-23 - 15:44 | JaeKim | Ds fitting result using mc09 105001 108497 and MinBias Data Period AtoC changing selection cuts based on FoM using MC under signal peak region |

log | testv3.log | r1 | manage | 3.8 K | 2011-02-22 - 23:08 | JaeKim | Ds goes to K and Kst0 in level1 ntuples |

log | true.log | r1 | manage | 38.8 K | 2011-03-16 - 00:58 | JaeKim | True Ds goes to Phi log file using mc09 105001 108497 |

log | truev18.log | r1 | manage | 50.2 K | 2011-03-18 - 18:56 | JaeKim | log file to see how many decaytype25 in mc09 105001 and mc10 105001 |

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