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Measurement of the cross section for production of b b-bar X, decaying to muons in pp collisions at \sqrt{s} =7 TeV


CMS Collaboration; Chatrchyan, S; Khachatryan, V; Aguiló, E; Amsler, C; Chiochia, V; De Visscher, S; Favaro, C; Ivova Rikova, M; Millan Mejias, B; Otiougova, P; Robmann, P; Snoek, H; Verzetti, M (2012). Measurement of the cross section for production of b b-bar X, decaying to muons in pp collisions at \sqrt{s} =7 TeV. Journal of High Energy Physics, 2012(06):110.

Abstract

A measurement of the inclusive cross section for the process pp → bb−X → μμX′ at s√=7 TeV is presented, based on a data sample corresponding to an integrated luminosity of 27.9 pb−1 collected by the CMS experiment at the LHC. By selecting pairs of muons each with pseudorapidity |η| < 2.1, the value σ(pp → bb−X → μμX′) = 26.4 ± 0.1 (stat.) ±2.4 (syst.) ±1.1 (lumi.) nb is obtained for muons with transverse momentum p T > 4 GeV, and 5.12 ± 0.03 (stat.) ± 0.48 (syst.) ± 0.20 (lumi.) nb for p T > 6 GeV. These results are compared to QCD predictions at leading and next-to-leading orders.

Abstract

A measurement of the inclusive cross section for the process pp → bb−X → μμX′ at s√=7 TeV is presented, based on a data sample corresponding to an integrated luminosity of 27.9 pb−1 collected by the CMS experiment at the LHC. By selecting pairs of muons each with pseudorapidity |η| < 2.1, the value σ(pp → bb−X → μμX′) = 26.4 ± 0.1 (stat.) ±2.4 (syst.) ±1.1 (lumi.) nb is obtained for muons with transverse momentum p T > 4 GeV, and 5.12 ± 0.03 (stat.) ± 0.48 (syst.) ± 0.20 (lumi.) nb for p T > 6 GeV. These results are compared to QCD predictions at leading and next-to-leading orders.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Nuclear and High Energy Physics
Language:English
Date:2012
Deposited On:11 Mar 2013 09:14
Last Modified:24 Jan 2022 00:35
Publisher:Springer
ISSN:1029-8479
Additional Information:The original publication is available at www.springerlink.com
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1007/JHEP06(2012)110
  • Content: Published Version