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:
-
- 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.
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
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.
@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}
}
Web of Science
Figures / Tables:
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