Measurement of the production cross section for a W boson and two b jets in pp collisions at √s = 7 TeV
Name
1-s2.0-S0370269314004468-main.pdf
Size
2.03 MB
Format
Adobe PDF
Checksum (MD5)
2dfa2f02643a06681288366e991b5ba5
Author(s)
Apyan, Aram
Bauer, Gerry P
Busza, Wit
Cali, Ivan Amos
Di Matteo, Leonardo
Dutta, Valentina
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Gulhan, Doga Can
Klute, Markus
Date Issued
June 2014
Journal
Physics Letters B
Publisher
Elsevier
Citation
Chatrchyan, S., et al. “Measurement of the Production Cross Section for a W Boson and Two b Jets in Pp Collisions at √S=7 TeV.” Physics Letters B, vol. 735, July 2014, pp. 204–25. © 2014 The Authors
Version
Final published version
Abstract
The production cross section for a W boson and two b jets is measured using proton–proton collisions at √s = 7 TeV in a data sample collected with the CMS experiment at the LHC corresponding to an integrated luminosity of 5.0 fb[superscript −1]. The W + b[bar over b] events are selected in the Wdecay mode by requiring a muon with transverse momentum p[subscript T] and 25 GeV pseudorapidity |η| < 2.1, and exactly two b-tagged jets with and p[subscript T] and 25 GeV pseudorapidity |η| < 2.4. The measured W + b[bar over b] production cross section in the fiducial region, calculated at the level of final-state particles, is σ(pp → W + b[bar over b) x B(W → μν) = 0.53 ± 0.05 (stat.) ± 0.09 (syst.) ± 0.06, in (theo.) ± 0.01 (lum.)pb, in agreement with the standard model prediction. In addition, kinematic distributions of the W + b(bar over b) system are in agreement with the predictions of a simulation using MadGraph and pythia. Keywords: CMS, Physics, SMP
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
Creative Commons Attribution 3.0 Unported license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1016/j.physletb.2014.06.041
