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Title: Measurement of the differential cross section for top quark pair production in pp collisions at $$\sqrt{s}$$ = 8 TeV

The normalized differential cross section for top quark pair (tt¯) production is measured in pp collisions at a centre-of-mass energy of 8TeV at the CERN LHC using the CMS detector in data corresponding to an integrated luminosity of 19.7fb–1. The measurements are performed in the lepton+jets (e/μ +jets) and in the dilepton (e+e, μ+μ, and e±μ) decay channels. The tt¯ cross section is measured as a function of the kinematic properties of the charged leptons, the jets associated to b quarks, the top quarks, and the tt¯ system. The data are compared with several predictions from perturbative quantum chromodynamic up to approximate next-to-next-to-leading-order precision. Furthermore, no significant deviations are observed relative to the standard model predictions.
Authors:
 [1]
  1. Yerevan Physics Inst. (YerPhI), Yerevan (Armenia). et al.
Publication Date:
OSTI Identifier:
1212725
Report Number(s):
FERMILAB-PUB--15-248-CMS; CERN-PH-EP--2015-117; CMS-TOP--12-028
Journal ID: ISSN 1434-6044; arXiv eprint number arXiv:1505.04480
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 75; Journal Issue: 11; Journal ID: ISSN 1434-6044
Publisher:
Springer
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (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