Publications by Todd Huffman


Measurement of the bb dijet cross section in pp collisions at √s = 7 TeV with the ATLAS detector

European Physical Journal C Springer 76 (2016) 670-

YS Gao, FMG Walls, C García, JEG Navarro, M Garcia-Sciveres, RW Gardner, N Garelli, V Garonne, AG Bravo, C Gatti, A Gaudiello, G Gaudio, B Gaur, L Gauthier, IL Gavrilenko, C Gay, G Gaycken, EN Gazis, Z Gecse, CNP Gee, C Geich-Gimbel, M Geisen, MP Geisler, C Gemme, MH Genest

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 > 20GeV 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 > 270GeV. 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.


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