2013:groups:sm:higgs:hdijets
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2013:groups:sm:higgs:hdijets [2013/06/10 12:22] marek.schoenherr [Observables and binnings] |
2013:groups:sm:higgs:hdijets [2014/02/12 11:13] (current) marek.schoenherr [H+dijets (ggF) uncertainty study] |
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| This study aims at quantifying the gluon fusion contribution (and its uncertainty) to typical VBF Higgs plus two jets event selections. A Rivet analysis implementing the observables for the event selections below can be found {{:2013:hdijets-analysis.tgz|here}}. | This study aims at quantifying the gluon fusion contribution (and its uncertainty) to typical VBF Higgs plus two jets event selections. A Rivet analysis implementing the observables for the event selections below can be found {{:2013:hdijets-analysis.tgz|here}}. | ||
| + | The results of this study have been collected on a separate page: [[2013:groups:sm:higgs:hdijetsresults|Results of the h+dijets (ggF) uncertainty study]]. | ||
| ===== Foreseen contributions ===== | ===== Foreseen contributions ===== | ||
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| **Jeppe R. Andersen, Jennifer M. Smillie,...** HEJ | **Jeppe R. Andersen, Jennifer M. Smillie,...** HEJ | ||
| + | |||
| + | **Stefan Prestel, Leif Lönnblad** Pythia8 UNLOPS, HJJ POWHEG | ||
| ===== Setup ===== | ===== Setup ===== | ||
| - | Five flavour calculation, PDF is CT10nlo (old fortran LHAGLUE-ID 11000). Masless b-quarks, no bbh-coupling (Yukawa_b=0). Thus, only the effective coupling of gluons to the Higgs is present and calculated in the infinte top mass limit. Perturbative QCD calculation (e.g. no multiparton interaction, no hadronisation, no intrinsic kperp). | + | Five flavour calculation, PDF is CT10nlo (old fortran LHAGLUE-ID 11000). Masless b-quarks, no bbh-coupling (Yukawa_b=0). Thus, only the effective coupling of gluons to the Higgs is present and calculated in the infinte top mass limit. Perturbative QCD calculation (e.g. no multiparton interaction, no hadronisation, no intrinsic kperp). Stable Higgs with mH = 125 GeV (wH = 4.07 MeV, only if needed for extrapolation from one decay mode). E_CMS = 8 TeV. |
| ===== Event selections ===== | ===== Event selections ===== | ||
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| two tagging jets (according to A or B): anti-kT, R = 0.4, pT > 30 GeV, |eta| < 5 | two tagging jets (according to A or B): anti-kT, R = 0.4, pT > 30 GeV, |eta| < 5 | ||
| the 3rd jet is defined as the non-tagjet with largest pT | the 3rd jet is defined as the non-tagjet with largest pT | ||
| + | 3rd jet: anti-kT, R = 0.4, pT > 30 GeV, |eta| < 5 | ||
| 2) VBF event selection | 2) VBF event selection | ||
| VBF topological cuts applied on tagging jets : m(jj) > 400 GeV, dy(jj) > 2.8 | VBF topological cuts applied on tagging jets : m(jj) > 400 GeV, dy(jj) > 2.8 | ||
| the 3rd jet is defined as the non-tagjet with largest pT in between the tagging jets in rapidity | the 3rd jet is defined as the non-tagjet with largest pT in between the tagging jets in rapidity | ||
| + | 3rd jet: anti-kT, R = 0.4, pT > 30 GeV, |eta| < 5 | ||
| + | |||
| ===== Observables and binnings ===== | ===== Observables and binnings ===== | ||
2013/groups/sm/higgs/hdijets.1370859772.txt.gz · Last modified: 2013/06/10 12:22 by marek.schoenherr
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