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2019:groups:higgs:ggzh [2019/06/16 16:40]
emanuele.re
2019:groups:higgs:ggzh [2019/06/18 16:49] (current)
carlo_enrico.pandini
Line 15: Line 15:
   * [[https://​www.theorie.physik.uni-goettingen.de/​~bothmann/​les_houches_2019_zh_gluon_initiated/​rivet-plots/​|Rivet Plots]]   * [[https://​www.theorie.physik.uni-goettingen.de/​~bothmann/​les_houches_2019_zh_gluon_initiated/​rivet-plots/​|Rivet Plots]]
   * [[https://​www.theorie.physik.uni-goettingen.de/​~bothmann/​les_houches_2019_zh_gluon_initiated/​setups/​zh/​zh.dat|Config File]]   * [[https://​www.theorie.physik.uni-goettingen.de/​~bothmann/​les_houches_2019_zh_gluon_initiated/​setups/​zh/​zh.dat|Config File]]
 +
 +**Points to consider**
 +  * check that e.g. powheg+py8 and mg5+py8 give the same, if the shower starting scale is the same
 +  * 2 "​substudies":​ 1 targeted to just the [[https://​twiki.cern.ch/​twiki/​pub/​LHCPhysics/​LHCHXSWGFiducialAndSTXS/​simplifiedXS_VH_1.1.pdf|STXS bins]], one with some more differential distributions
 +  * tools: powheg+py8 (current baseline for ATLAS/CMS), mg5+py8 (0 jet / 0+1 jet LO merging), sherpa (0 jet / 0+1 jet LO merging)
 +  * for this study: H undecayed, Z decaying to 1 lepton family. Check that stxs rivet routine can do this (for py8 as well as sherpa). Otherwise, can also do H->bb, but in this case we need to have the complete information in the HepMC also for sherpa, as Rivet looks for Higgs and Z as the last entry with correct id before the decay..
 +  * for STXS unc.: consider jet pT spectrum (for definition of nJet bins) and impact on uncertainties
 +  * for mg5+py8 validation: m(VH) is a good variable to check inclusive / 0+1jet multileg agreement
 +
 +**Rivet code**
 +  * [[https://​gitlab.cern.ch/​LHCHIGGSXS/​LHCHXSWG2/​STXS/​Classification|STXS-rivet routine]]: keep unchanged to run over STXS bin selection
 +  * VH-HXSWG-rivet routine (will add link here): use this to include additional variables, and any modification we might want to consider
 +  * we can for each MC setup run both routines, to get results for both "​substudies"​
 +
2019/groups/higgs/ggzh.1560696054.txt.gz ยท Last modified: 2019/06/16 16:40 by emanuele.re