-- PritamKalbhor - 2020-10-04

Angular analysis for $B_s^0 \rightarrow \phi \mu^+\mu^-$ at 13 TeV


This is a dedicated Twiki page for the BPH-**-*** analysis: Angular analysis for $B_s^0 \rightarrow \phi \mu\mu$ decay with the CMS experiment in pp collisions at sqrt(s) = 13 TeV. Analysis note can be found at AN-18-068

Analysis Codes

NTuples location as on 5th Octorber 2020

2016 Files at: /eos/home-c/ckar/BSTOPHIMUMU/FileForGroup/AfterBDT_Training_2016/

2017 Files at: /eos/home-c/ckar/BSTOPHIMUMU/FileForGroup/AfterBDT_Training_2017/

2018 Files at: /eos/home-c/ckar/BSTOPHIMUMU/FileForGroup/AfterBDT_Training_2018/

All unfiltered Samples at: /eos/home-c/ckar/BSTOPHIMUMU/FileForGroup/private_sample/

  • The below table shows the unique sequence in the file names for each year. This will help you find the correct file name along with the path.
  • If multiple files present containing the same sequence then they are to be added to TChain

Sample Type Process 2016 2017 2018
Data   sel_Combine_2016_Mini_Presel_data_ sel_Combine_2017_Mini_Presel_data_ sel_Combine_2018_Mini_Presel_data_
Signal MC BsToPhiMuMu sel_BsToPhiMuMu_OfficialMC_signal_2016M sel_BsToPhiMuMu_OfficialMC_signal_2017M sel_BsToPhiMuMu_OfficialMC_signal_2018M
Control Channels MC BsToJpsiPhi sel_BsToJpsiPhi_2016MC_Official sel_BsToJpsiPhi_2017MC_Official sel_BsToJpsiPhi_2018MC_Official
BsToPsiPhi sel_BsToPsiPhi_2016MC_Official sel_BsToPsiPhi_2017MC_Official sel_BsToPsiPhi_2018MC_Official
Peaking Background MC BdToKstarMuMu sel_BdToKstarMuMu_2016MC_Official sel_BdToKstarMuMu_2017MC_Official sel_BdToKstarMuMu_2018MC_Official
BdToJpsiKstar sel_BdToJpsikstar_2016MC_Official sel_BdToJpsikstar_2017MC_Official sel_BdToJpsikstar_2018MC_Official
BdToPsiKstar - sel_BdToPsiKstar_2017MC_Official sel_BdToPsiKstar_2018MC_Official
UnFiltered Samples MC BsToPhiMuMu sel_BsToPhiMuMu_2016MC sel_BsToPhiMuMu_NofilterMC_signal_2017_mc sel_BsToPhiMuMu_NofilterMC_signal_2018_mc
BsToJpsiPhi sel_BsToJpsiPhi_2016_mc sel_BsToJpsiPhi_2017_mc sel_BsToJpsiPhi_2018_mc
BsToPsiPhi sel_BsToPsiPhi_2016_mc sel_BsToPsiPhi_2017_mc sel_BsToPsiPhi_2018_mc
GEN level files for official BsToPhiMuMu MC samples are at:
  • 2016: All the files from /eos/home-c/ckar/BSTOPHIMUMU/FileForGroup/AfterBDT_Training_2016/gentree_Phimumu/
  • 2017: All the files from /eos/home-c/ckar/BSTOPHIMUMU/FileForGroup/AfterBDT_Training_2017/gentree_Phimumu/
  • 2018: All the files from /eos/home-c/ckar/BSTOPHIMUMU/FileForGroup/AfterBDT_Training_2018/gentree_Phimumu/

Selection cuts

  1. Gen Level Selections:
    • For Muons: $P_T > 2.5$ and $|\eta| < 2.4$
    • For Kaons: $P_T>0.5$ and $|\eta|<2.5$
  2. Final Selections:
    • Trigger cuts: $JpsiTriggers > 0 || PsiPTriggers > 0 || LMNTTriggers > 0$
    • High Quality Tracks: $mtrkqual==1 $ $\&amp;\&amp;$ $ ptrkqual==1 $ $\&amp;\&amp;$ $ dr0<0.1 $ $\&amp;\&amp;$ $ dr1<0.1$
    • Anti-Radiation Cut: $|M_B-M_{\mu\mu}-2.270| &amp;gt; 0.120$ $\&amp;\&amp;$ $|M_B-M_{\mu\mu}-1.681|&amp;gt;0.090$
    • 2016: $Bdt &amp;gt; 0.57$
    • 2017: $Bdt &amp;gt; 0.55$
    • 2018: $Bdt &amp;gt; 0.50$

Exotica and Rare Decay Meeting Presentations


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Topic revision: r1 - 2020-10-23 - PeterJones
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