-- FrancoSimonetto - 2017-02-20

vidyo

vidyo link

Action Items:

News:

Framework e produzione

No news. Condor cluster available. Start collaboration with Marco and for big data. Request from Anna to move data sets. Lisa: transfer some data to LNL to have the analysis approved. Fed: Ok. Fed : do you need locally the data sets or can you use crab to analyze data without moving them locally ? Lisa: we are in a rush, test in the past showed high failure rate with xrood. Fed: ok, but after Moriond try to set the xrootd procedure up.

Attivita' di analisi

B physics

Stefano :Presentation later today at the BPH: final results with Feldam Cousin, they provide same results and errors as the simplified procedure (three months old). Funny interaction with ARC, very close to finishing, but ARC nit muche responsive. Trigger : preliminary results on two different paths. Some results on each topic. Alessio will show them at the trigger workshop by the end of this week. Paolo (R.) will show tomorrow the comparison between AOD and miniAOD data, in two parallel meeting.

Dark Matter

Dibosoni, VZ risonante (V=W,Z)

lepton final state: out of the box, all in agreement. Invisble: first draft of the apper. Required cross checks : apply trigger efficiency to MC, full study of systematic uncertainties by tomorrow. Problema with alpha method fitting the Z mass. Looking for a better function (Paul). Spurious peaks apper, strictly related with pile up. F: Try use the key-pdf; Stefano good to descibe data, not suited for fitting.

hh4b non risonante

They have lot of activity (P.C.) , but nobody is present.

Same sign leptons

Waiting to repeat analysis with rereco. Meanwhile I implemented a new piece in the analysis (soon a report about it here and in the EXO+jet subgroup) based on 3leptons sample, so far used only for background study. Now look at 3 leptons events with at least one not isolated: this defines a ttbar control region with plenty of events. It increases confidence in the significance of the signal. Timeline : not willing to publish without an interpretations. F(+PC+SLC) : I disagre. U: will see what the EXO responsible think. One month to check the events with the new data. P : all data are going to be rerecoed, also the additional data set ? U : yes. U : for the new thee-l study I use th full statistics. P: you should be allowed to look at the full statistics

Seesaw a 13 TeV

Ezio : I'm ARC (17-006 13 TeV). Analysis preapproved with blind data, three, four or more leptons. Sigma+ and Sigma- signal included. W,Z bck from MC. all the rest with data driven method. No pt cuts, bininng in a LT+Emiss variable. In the most sensitive bin , you find three leptons with 3 expected. Last Friday unblinding: limit 860 GeV. Sara: limit 180 GeV. Gozzelino : 280 GeV. Ugo : my bcgk analysis overlaps largely with you signal, and I do not see any anomaly. Paolo : if you have a signal in one category, you should see it also in other (for this specific case).

EPR

Isolamento muoni

Lis : no news

Flavor tagging

Alessio : no news

Trigger

Detector

Anna: people from To went to LNL to build 4 new bicells. Some problem, Franco is working on it. CERN : bicell kept inside taking data. Keeep enough equivalent luminosity to understand of the station ageing. The bicell degradation is slower than that of the wires in the chamber at the GIF++. Part is due to the strips in the I beam,

Palo : timing layer. Massimo cannot work on it this year, but this is not a problem, starting in 2018 is ok. The project will be reviwed at CERN at the beginning of March.

A.O.B.:

-- i - 2016-02-01

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