2015:groups:tools:ttjets
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2015:groups:tools:ttjets [2015/07/14 08:31] philippe.gras |
2015:groups:tools:ttjets [2015/09/16 14:58] (current) rikkert.frederix [Samples generated by:] |
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| *ttbar | *ttbar | ||
| *Gap fraction: Q0, inclusive in Delta y | *Gap fraction: Q0, inclusive in Delta y | ||
| - | *tt+jets as background to ttH. Input from the ttH Working Group here. | ||
| + | ===== Samples generated by: ===== | ||
| - | Samples generated by: | + | **CMS:** |
| - | + | ||
| - | CMS: | + | |
| *MadGraph5_aMC@NLO + Pythia8 with FxFx merging up to 2 extra jets at NLO | *MadGraph5_aMC@NLO + Pythia8 with FxFx merging up to 2 extra jets at NLO | ||
| *POWHEG+Pythia8 inclusive ttbar | *POWHEG+Pythia8 inclusive ttbar | ||
| - | ATLAS: | + | **ATLAS:** |
| *POWHEG+pythia8 & 6, inclusive ttbar | *POWHEG+pythia8 & 6, inclusive ttbar | ||
| - | *... | + | *… |
| - | Rikkert Frederix: | + | **Rikkert Frederix:** |
| *MadGraph5_aMC@NLO + Pythia8, inclusive ttbar | *MadGraph5_aMC@NLO + Pythia8, inclusive ttbar | ||
| - | Simone Alioli: | + | <del>**Simone Alioli:** POWHEG+Pythia8 ttbar+0,1jet, with MinLo</del> |
| - | *POWHEG+Pythia8 ttbar+0,1jet, with MinLo | + | |
| - | Stefan Prestel: | + | **Stefan Prestel:** |
| *Pythia8+UNLOPS merging up to 2 extra jets at NLO | *Pythia8+UNLOPS merging up to 2 extra jets at NLO | ||
| - | Marek Schoenherr: | + | **Marek Schoenherr:** |
| *Sherpa+OpenLoops with merging up to 2 extra jets at NLO | *Sherpa+OpenLoops with merging up to 2 extra jets at NLO | ||
| - | Christian Reuschle: | + | **Christian Reuschle:** |
| *Herwig++ (using e.g. MG5+OpenLoops) ttbar+0j NLO matched and ttbar+1j NLO matched | *Herwig++ (using e.g. MG5+OpenLoops) ttbar+0j NLO matched and ttbar+1j NLO matched | ||
| Line 59: | Line 57: | ||
| * E.g., http://mcplots.cern.ch/?query=plots,ppppbar,top-mc,pTttbar | * E.g., http://mcplots.cern.ch/?query=plots,ppppbar,top-mc,pTttbar | ||
| + | ===== Starting point: Rivet routines and data cards ===== | ||
| - | Existing CMS rivet routines for ttbar | + | **Existing CMS rivet routines for ttbar**\\ |
| {{:2015:groups:tools:mc_ttbar_dilep.cc.txt|}} | {{:2015:groups:tools:mc_ttbar_dilep.cc.txt|}} | ||
| {{:2015:groups:tools:mc_ttbar_hadron.cc.txt|}} | {{:2015:groups:tools:mc_ttbar_hadron.cc.txt|}} | ||
| Line 67: | Line 65: | ||
| {{:2015:groups:tools:mc_ttbar_semilep.cc.txt|}} | {{:2015:groups:tools:mc_ttbar_semilep.cc.txt|}} | ||
| - | Available CMS Monte Carlo samples: | + | **Available CMS Monte Carlo samples:**\\ |
| with NNPDF30NLO (5 flavour, alphas=0.118), top mass=172.5 GeV, TuneCUETP8M1 (Tune:ee 7, Tune:pp 18) | with NNPDF30NLO (5 flavour, alphas=0.118), top mass=172.5 GeV, TuneCUETP8M1 (Tune:ee 7, Tune:pp 18) | ||
| - | Powheg+Pythia8.205 ttbar card: | + | **Powheg+Pythia8.205 ttbar card:**\\ |
| {{:2015:groups:tools:tt_hdamp_nnpdf30_13tev_powheg.input.txt|}} | {{:2015:groups:tools:tt_hdamp_nnpdf30_13tev_powheg.input.txt|}} | ||
| - | madgraph_aMC@NLO+Pythia8.205 0,1,2 jets NLO merged cards: | + | **madgraph_aMC@NLO+Pythia8.205 0,1,2 jets NLO merged cards:**\\ |
| {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_customizecards.dat.txt|}} | {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_customizecards.dat.txt|}} | ||
| {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_proc_card.dat.txt|}} | {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_proc_card.dat.txt|}} | ||
| {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_run_card.dat.txt|}} | {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_run_card.dat.txt|}} | ||
| {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_madspin_card.dat.txt|}} | {{:2015:groups:tools:tt012j_5f_ckm_nlo_fxfx_madspin_card.dat.txt|}} | ||
| + | |||
| + | |||
| + | ===== Preliminary results ====== | ||
| + | |||
| + | **From CMS** | ||
| + | |||
| + | A Rivet routine enables to get distributions for all the observables listed above, [[http://ebouvier.web.cern.ch/ebouvier/TOPRivetForLesHouches/CMS_AN_PseudoTop.cc|CMS_AN_PseudoTop.cc]], which is making use of a helping class, [[http://ebouvier.web.cern.ch/ebouvier/TOPRivetForLesHouches/PseudoTop.cc|PseudoTop.cc]] and [[http://ebouvier.web.cern.ch/ebouvier/TOPRivetForLesHouches/PseudoTop.hh|PseudoTop.hh]]. | ||
| + | |||
| + | This routine has been run for Powheg + Herwig++ on the one hand, and Powheg + Pythia 8 on the other hand. Distributions are gathered [[http://ebouvier.web.cern.ch/ebouvier/TOPRivetForLesHouches/plots/CMS_AN_PseudoTop/index.html|here]], while ''.yoda'' files can be found [[http://ebouvier.web.cern.ch/ebouvier/TOPRivetForLesHouches/Herwig.yoda|here for Powheg + Herwig++]] and [[http://ebouvier.web.cern.ch/ebouvier/TOPRivetForLesHouches/Pythia8.yoda|there for Powheg + Pythia 8]]. Lepton and ttbar asymmetries and the gap fraction are represented with respect to the ttbar-system mass. In average, they are: | ||
| + | |||
| + | ^ ^ Powheg + Herwig++ ^ Powheg + Pythia 8 ^ | ||
| + | ^ Lepton asymmetry | 0.0036 | 0.0006 | | ||
| + | ^ ttbar asymmetry | 0.007 | 0.005 | | ||
| + | ^ Gap fraction | 0.436 | 0.444 | | ||
| + | |||
2015/groups/tools/ttjets.1436855487.txt.gz · Last modified: 2015/07/14 08:31 by philippe.gras
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