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Title: Study of double parton scattering using W + 2-jet events in proton-proton collisions at $$\sqrt{s}$$ = 7 TeV

Abstract

Double parton scattering is investigated in proton-proton collisions at √s = 7 TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two jets. The data sample corresponds to an integrated luminosity of 5 fb–1, collected with the CMS detector at the LHC. Observables sensitive to double parton scattering are investigated after being corrected for detector effects and selection efficiencies. The fraction of W + 2-jet events due to double parton scattering is measured to be 0.055 +/- 0.002 (stat.) +/- 0.014 (syst.). Finally, the effective cross section, σeff, characterizing the effective transverse area of hard partonic interactions in collisions between protons is measured to be 20.7 +/- 0.8 (stat.) +/- 6.6 (syst.) mb.

Authors:
 [1]
+ Show Author Affiliations
  1. Yerevan Physics Inst. (YerPhI), Yerevan (Armenia). et al.
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Org.:
The CMS Collaboration
OSTI Identifier:
1151707
Report Number(s):
FERMILAB-PUB-13-609-CMS
Journal ID: ISSN 1029-8479; arXiv eprint number arXiv:1312.5729
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2014; Journal Issue: 3; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; jets physics; Hadron-Hadron Scattering; QCD

Citation Formats

Chatrchyan, Serguei. Study of double parton scattering using W + 2-jet events in proton-proton collisions at $\sqrt{s}$ = 7 TeV. United States: N. p., 2014. Web. doi:10.1007/JHEP03(2014)032.
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Chatrchyan, Serguei. Study of double parton scattering using W + 2-jet events in proton-proton collisions at $\sqrt{s}$ = 7 TeV. United States. https://doi.org/10.1007/JHEP03(2014)032
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Chatrchyan, Serguei. Wed . "Study of double parton scattering using W + 2-jet events in proton-proton collisions at $\sqrt{s}$ = 7 TeV". United States. https://doi.org/10.1007/JHEP03(2014)032. https://www.osti.gov/servlets/purl/1151707.
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@article{osti_1151707,
title = {Study of double parton scattering using W + 2-jet events in proton-proton collisions at $\sqrt{s}$ = 7 TeV},
author = {Chatrchyan, Serguei},
abstractNote = {Double parton scattering is investigated in proton-proton collisions at √s = 7 TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two jets. The data sample corresponds to an integrated luminosity of 5 fb–1, collected with the CMS detector at the LHC. Observables sensitive to double parton scattering are investigated after being corrected for detector effects and selection efficiencies. The fraction of W + 2-jet events due to double parton scattering is measured to be 0.055 +/- 0.002 (stat.) +/- 0.014 (syst.). Finally, the effective cross section, σeff, characterizing the effective transverse area of hard partonic interactions in collisions between protons is measured to be 20.7 +/- 0.8 (stat.) +/- 6.6 (syst.) mb.},
doi = {10.1007/JHEP03(2014)032},
journal = {Journal of High Energy Physics (Online)},
number = 3,
volume = 2014,
place = {United States},
year = {Wed Mar 05 00:00:00 EST 2014},
month = {Wed Mar 05 00:00:00 EST 2014}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1007/JHEP03(2014)032
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Cited by: 110 works
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Figures / Tables:

Figure 1 Figure 1: Feynman diagrams for W + 2-jet production from (left) double parton scattering and (right) single parton scattering.
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      Figures / Tables found in this record:

      Figure 1 (p. 3)figure
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      Table 3 (p. 10)table
      Figure 2 (p. 11)figure
      Figure 3 (p. 11)figure
      Table 4 (p. 12)table
      Table 5 (p. 14)table
      Figure 4 (p. 15)figure
      Figure 5 (p. 16)figure
      Figure 6 (p. 17)figure
      Figure 7 (p. 18)figure
      Table 6 (p. 20)table
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      Table 9 (p. 21)table
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