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Measurement of the B0 Production Cross Section in pp Collisions at √s=7  TeV

Author(s)
Alver, Burak Han; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Chan, M.; Dutta, Valentina; Everaerts, Pieter Bruno Bart; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Kim, Y.; Klute, Markus; Li, W.; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Sung, Kevin Kai Hong; Wenger, Edward Allen; Xie, Si; Yilmaz, Yetkin; Zanetti, Marco; Harris, Philip Coleman; Luckey Jr, P David; Roland, Gunther M; Stoeckli, Fabian; Wyslouch, Boleslaw; Bauer, Gerry P; Lee, Yen-Jie; Loizides, Constantinos; Roland, Christof E; Sumorok, Konstanty C; Yang, Mingming; Yoon, A. S.; Rudolph, Matthew Scott; ... Show more Show less
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Abstract
Measurements of the differential production cross sections dσ/dp[subscript T][superscript B] and dσ/dy[superscript B] for B[superscript 0] mesons produced in pp collisions at √s=7  TeV are presented. The data set used was collected by the CMS experiment at the LHC and corresponds to an integrated luminosity of 40  pb[superscript -1]. The production cross section is measured from B[superscript 0] meson decays reconstructed in the exclusive final state J/ψK[subscript S][superscript 0], with the subsequent decays J/ψ→μ[superscript +]μ[superscript -] and K[subscript S][superscript 0]→π[superscript +]π[superscript -]. The total cross section for p[subscript T][superscript B]>5  GeV and |y[superscript B]|<2.2 is measured to be 33.2±2.5±3.5  μb, where the first uncertainty is statistical and the second is systematic.
Date issued
2011-06
URI
http://hdl.handle.net/1721.1/67059
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
Chatrchyan, S. et al.(CMS Collaboration. "Measurement of the B0 Production Cross Section in pp Collisions at [sqrt]s=7  TeV." Phys. Rev. Lett. 106, 252001 (2011) © 2011 American Physical Society
Version: Final published version
ISSN
0031-9007

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