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Measurement of the bb¯ Dijet Cross Section in pp Collisions at √s=7 TeV With the ATLAS Detector

ATLAS Collaboration. 2016. “Measurement of the bb¯ Dijet Cross Section in pp Collisions at √s=7 TeV With the ATLAS Detector.” The European Physical Journal C 76 (12) (December). doi:10.1140/epjc/s10052-016-4521-y. [Peer Reviewed Journal]

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  • Title:
    Measurement of the bb¯ Dijet Cross Section in pp Collisions at √s=7 TeV With the ATLAS Detector
  • Author: Chan, Stephen Kam Wah ; Clark, Brian Lee ; Franklin, Melissa ; Giromini, Paolo ; Huth, John ; Ippolito, Valerio ; Lazovich, Tomo ; Lopez Mateos, David ; Morii, Masahiro ; Rogan, Christopher S. ; Sun, Siyuan ; Tolley, Emma ; Tong, Baojia ; Tuna, Alexander ; Yen, Andy ; Zambito, Stefano
  • Found In: ATLAS Collaboration. 2016. “Measurement of the bb¯ Dijet Cross Section in pp Collisions at √s=7 TeV With the ATLAS Detector.” The European Physical Journal C 76 (12) (December). doi:10.1140/epjc/s10052-016-4521-y. [Peer Reviewed Journal]
  • Language: English
  • Description: The dijet production cross section for jets containing a b-hadron (b-jets) has been measured in proton–proton collisions with a centre-of-mass energy of √s=7 TeV, using the ATLAS detector at the LHC. The data used correspond to an integrated luminosity of 4.2 fb−1. The cross section is measured for events with two identified b-jets with a transverse momentum pT>20 GeV and a minimum separation in the η–ϕ plane of ΔR=0.4. At least one of the jets in the event is required to have pT>270 GeV. The cross section is measured differentially as a function of dijet invariant mass, dijet transverse momentum, boost of the dijet system, and the rapidity difference, azimuthal angle and angular distance between the b-jets. The results are compared to different predictions of leading order and next-to-leading order perturbative quantum chromodynamics matrix elements supplemented with models for parton-showers and hadronization.
  • Identifier: ISSN: 1434-6044

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