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Title: Measurement of the production cross section of a W boson in association with two b jets in pp collisions at $$\sqrt{s}$$ = 8 TeV

The production cross section of a W boson in association with two b jets is measured using a sample of proton-proton collisions at $$ \sqrt{s} = $$ 8 TeV collected by the CMS experiment at the CERN LHC. The data sample corresponds to an integrated luminosity of 19.8 fb$$^{-1}$$. The W bosons are reconstructed via their leptonic decays, $$ \mathrm{ W }\to\ell\nu $$, where $$\ell=\mu$$ or $$\mathrm{ e }$$. The fiducial region studied contains exactly one lepton with transverse momentum $$ p_{\mathrm{T}}^{\ell} > $$ 30 GeV and pseudorapidity $$ | {\eta^{\ell}} | < $$ 2.1, with exactly two b jets with $$ p_{\mathrm{T}} > $$ 25 GeV and $$ | {\eta} | < $$ 2.4 and no other jets with $$ p_{\mathrm{T}} > $$ 25 GeV and $$ | {\eta} | < $$ 4.7. The cross section is measured to be $$ \sigma ( {{\mathrm{ p }\mathrm{ p }}} \to {\mathrm{ W }} (\ell\nu) + \mathrm{ b \bar{b} }) =$$ 0.64 $$\pm$$ 0.03 (stat) $$\pm$$ 0.10 (syst) $$\pm$$ 0.06 (theory) $$\pm$$ 0.02 (lumi) pb, in agreement with standard model predictions.
Authors:
 [1]
  1. et al.
Publication Date:
Report Number(s):
FERMILAB-PUB-16-379-CMS; CMS-SMP-14-020; CERN-EP-2016-190; arXiv:1608.07561
Journal ID: ISSN 1434-6044; 1484162
Grant/Contract Number:
AC02-07CH11359; AC52-07NA27344; AC02-05CH11231
Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 76; Journal Issue: 5; Journal ID: ISSN 1434-6044
Publisher:
Springer
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
CMS Collaboration
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1335123
Alternate Identifier(s):
OSTI ID: 1395328; OSTI ID: 1411651