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2017:groups:np:stxsveeft [2017/06/22 14:10] pasquale.musella |
2017:groups:np:stxsveeft [2017/10/24 10:30] (current) jorge.de_blas |
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====== Simplified Template Cross Sections (STXS) and EFT constraints ====== | ====== Simplified Template Cross Sections (STXS) and EFT constraints ====== | ||
- | People interested (add your name): Francesco Riva, Ken Mimasu, Fabio Maltoni, Benjamin Fuks, Kristin Lohwasser, Jorge de Blas, Pasquale Musella, Alexandra Carvalho, Caterina Vernieri, Benjamin Freund | + | People interested (add your name): Francesco Riva, Ken Mimasu, Fabio Maltoni, Benjamin Fuks, Kristin Lohwasser, Jorge de Blas, Pasquale Musella, Alexandra Carvalho, Caterina Vernieri, Benjamin Freund, Adam Falkowski |
Perform a case study of the constraining power on EFT Wilson coefficients from Higgs data through STXS. | Perform a case study of the constraining power on EFT Wilson coefficients from Higgs data through STXS. | ||
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=== Tasks === | === Tasks === | ||
- | - Generate signal and background processes (Ken) | + | - Generate signal and background processes (Ken, Jorge) |
- Modify madanalysis to smear jets and output csv file (Benjamin) | - Modify madanalysis to smear jets and output csv file (Benjamin) | ||
- | - Define selection cuts (Caterina and Kerstin) | + | - Define selection cuts (Caterina and Kristin) |
- | - Develop RooFit-based stat analysis (Kerstin) | + | - Develop RooFit-based stat analysis (Kristin) |
- Prepare skeleton for BDT training (Pasquale) | - Prepare skeleton for BDT training (Pasquale) | ||
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* VH(bb): SM Z(ll)H, EFT Z(ll)H, SM Z(ll)bb (100<mbb<150) | * VH(bb): SM Z(ll)H, EFT Z(ll)H, SM Z(ll)bb (100<mbb<150) | ||
* VBF(tau tau): SM VBF, EFT VBF, SM Z(tau tau) | * VBF(tau tau): SM VBF, EFT VBF, SM Z(tau tau) | ||
- | * EFT operators to probe: TBD | + | * EFT operators to probe: OHW (SILH), more? |
+ | |||
+ | === Selection cuts and smearing === | ||
+ | |||
+ | == ZH->bbar == | ||
+ | |||
+ | References | ||
+ | https://cds.cern.ch/record/2206813/files/ATLAS-CONF-2016-091.pdf?version=1 | ||
+ | https://journals.aps.org/prd/abstract/10.1103/PhysRevD.89.012003 | ||
+ | |||
+ | Selections: | ||
+ | * leptons > 25 GeV ,|eta|<2.5 | ||
+ | * bjets, |eta| < 2.5, pT>20 | ||
+ | * Z mass window --> 75 - 105 | ||
+ | * ptV>0 GeV | ||
+ | |||
+ | |||
+ | == VBS Htautau == | ||
+ | |||
+ | References: | ||
+ | https://cds.cern.ch/record/2264522/files/HIG-16-043-pas.pdf | ||
+ | |||
+ | Selections: | ||
+ | * Exactly 2 jets > 30 gev | ||
+ | * mjj>300 GeV | ||
+ | * detajj>2.5 | ||
+ | * [((vectorial sum pT taus+met > 50 GeV (lep) / > 100 GeV (had) )) - Note: would probably leave it out?] | ||
+ | * pT (tau) >30 GeV coming from | ||
+ | * tau_had: >50 / >40 | ||
+ | * lep-had: >20 (26e) / > 30 (had) | ||
+ | * lep-lep: 13(e)/24(m) / 24(e) / 15(m) | ||
+ | |||
+ | |||
+ | == Smearings == | ||
+ | * CMS particle flow Jet resolution -> https://arxiv.org/pdf/1706.04965.pdf | ||
+ | * ATLAS resolution on taus: http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/PERF-2013-06 | ||
- | === Selection cuts and smearing === | ||
- | * taus, |eta| < 2.5, pT>?, E smearing ? | ||
- | * bjets, |eta| < 2.5, pT>?, E smearing ? | ||
- | * VBFjets, |eta| < 5, pT>?, E smearing (eta-dependent?)? | ||
- | * leptons | ||
=== Available UFO models: === | === Available UFO models: === |