Measurements are presented of the cross section for the production of at least four jets, of which at least two originate from b quarks, in proton-proton collisions. Data collected with the CMS detector at the LHC at a center-of-mass energy of 7 TeV are used, corresponding to an integrated luminosity of 3 pb-1. The cross section is measured as a function of the jet transverse momentum for pT>20 GeV, and of the jet pseudorapidity for |η|<2.4 (b jets), 4.7 (untagged jets). The correlations in azimuthal angle and pT between the jets are also studied. The inclusive cross section is measured to be σ(pp→2b+2j+X)=69±3(stat)±24(syst) nb. The η and pT distributions of the four jets and the correlations between them are well reproduced by event generators that combine perturbative QCD calculations at next-to-leading-order accuracy with contributions from parton showers and multiparton interactions

Khachatryan, V., Sirunyan, A. m., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., et al. (2016). Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV. PHYSICAL REVIEW D, 94(11), 1-24 [10.1103/PhysRevD.94.112005].

Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV

BATTILANA, CARLO;BONACORSI, DANIELE;BRAIBANT, SYLVIE;CAMPANINI, RENATO;CAPILUPPI, PAOLO;CASTRO, ANDREA;CODISPOTI, GIUSEPPE;CUFFIANI, MARCO;FANFANI, ALESSANDRA;FASANELLA, DANIELE;GUIDUCCI, LUIGI;NAVARRIA, FRANCESCO LUIGI;ROSSI, ANTONIO MARIA;ROVELLI, TIZIANO;SIROLI, GIAN PIERO;TOSI, NICOLO';
2016

Abstract

Measurements are presented of the cross section for the production of at least four jets, of which at least two originate from b quarks, in proton-proton collisions. Data collected with the CMS detector at the LHC at a center-of-mass energy of 7 TeV are used, corresponding to an integrated luminosity of 3 pb-1. The cross section is measured as a function of the jet transverse momentum for pT>20 GeV, and of the jet pseudorapidity for |η|<2.4 (b jets), 4.7 (untagged jets). The correlations in azimuthal angle and pT between the jets are also studied. The inclusive cross section is measured to be σ(pp→2b+2j+X)=69±3(stat)±24(syst) nb. The η and pT distributions of the four jets and the correlations between them are well reproduced by event generators that combine perturbative QCD calculations at next-to-leading-order accuracy with contributions from parton showers and multiparton interactions
2016
Khachatryan, V., Sirunyan, A. m., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., et al. (2016). Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV. PHYSICAL REVIEW D, 94(11), 1-24 [10.1103/PhysRevD.94.112005].
Khachatryan, V.; Sirunyan, A. m.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, ...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/594139
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