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Measurement of the B+ [B superscript +] Production Cross Section in pp Collisions at √s=7  [square root of s = 7] TeV

Author(s)
Alver, Burak Han; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Dutta, Valentina; Everaerts, Pieter Bruno Bart; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Harris, Philip Coleman; Klute, Markus; Lee, Yen-Jie; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Rudolph, Matthew Scott; Stephans, George S. F.; Sung, Kevin Kai Hong; Wenger, Edward Allen; Xie, Si; Yang, Mingming; Yilmaz, Yetkin; Zanetti, Marco; Sumorok, Konstanty C; Yoon, A. S.; Bauer, Gerry P; Chan, M.; Kim, Y.; Li, W.; Loizides, Constantinos; Luckey Jr, P David; Roland, Christof E; Roland, Gunther M; ... Show more Show less
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Abstract
Measurements of the total and differential cross sections dσ/dpTB [d delta / d p superscript B subscript T] and dσ/dyB [d delta / d y superscript B] for B+ [B superscript +] mesons produced in pp collisions at √s=7 [square root of s = 7]  TeV are presented. The data correspond to an integrated luminosity of 5.8  pb-1 [pb superscript -1] collected by the CMS experiment operating at the LHC. The exclusive decay B+→J/ψK+ [B superscript + → J / psi k superscript +], with J/ψ→μ+μ- [J / psi → mu superscript + mu superscript -], is used to detect B+ [B superscript +] mesons and to measure the production cross section as a function of pTB [p superscript B subscript T] and yB [y superscript B]. The total cross section for pTB>5  [p superscript B subscript T greater 5] GeV and |yB|<2.4 [bracket y superscript B bracket less than 2.4] is measured to be 28.1±2.4±2.0±3.1  μb [mu b], where the first uncertainty is statistical, the second is systematic, and the last is from the luminosity measurement.
Date issued
2011-03
URI
http://hdl.handle.net/1721.1/65598
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical review letters
Publisher
American Physical Society
Citation
Khachatryan, V. et al. (CMS Collaboration) "Measurement of the B0 Production Cross Section in pp Collisions at √s=7  TeV" Phys. Rev. Lett. 106, 252001 (2011) © 2011 CERN, for the CMS Collaboration
Version: Final published version
ISSN
0031-9007

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