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Production of psi (2S) mesons in pp-bar collisions at 1.96 TeV

Author(s)
Xie, Si; Knuteson, Bruce O.; Henderson, C.; Hahn, Kristian Allan; Gomez-Ceballos, Guillelmo; Choudalakis, Georgios; Paus, Christoph M. E.; Makhoul, Khaldoun; Goncharov, Maxim; Bauer, Gerry P; ... Show more Show less
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Alternative title
Production of ψ(2S) mesons in pp̅ collisions at 1.96 TeV
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
We have measured the differential cross section for the inclusive production of ψ(2S) mesons decaying to μ[superscript +]μ[superscript -] that were produced in prompt or B-decay processes from pp̅ collisions at 1.96 TeV. These measurements have been made using a data set from an integrated luminosity of 1.1  fb[superscript -1] collected by the CDF II detector at Fermilab. For events with transverse momentum p[subscript T](ψ(2S))>2  GeV/c and rapidity |y(ψ(2S))|<0.6 we measure the integrated inclusive cross section σ(pp̅ →ψ(2S)X)·Br(ψ(2S)→μ[superscript +]μ[superscript -]) to be 3.29±0.04(stat)±0.32(syst)  nb.
Date issued
2009-08
URI
http://hdl.handle.net/1721.1/51885
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
CDF Collaboration et al. “Production of psi (2S) mesons in pp-bar collisions at 1.96 TeV.” Physical Review D 80.3 (2009): 031103. © 2009 The American Physical Society
Version: Final published version
ISSN
1550-2368
1550-7998

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