Measurement of the inclusive phi cross-section in pp collisions at sqrt(s) = 7 TeV
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Adeva, B.
name: Adinolfi, M.
name: Adrover, C.
name: Affolder, A.
name: Ajaltouni, Z.
name: Albrecht, J.
name: Alessio, F.
name: Alexander, M.
name: Alkhazov, G.
name: Cartelle, P. Alvarez
name: Alves, A. A.
name: Amato, S.
name: Amhis, Y.
name: Anderson, J.
name: Appleby, R. B.
name: Gutierrez, O. Aquines
name: Arrabito, L.
name: Artamonov, A.
name: Artuso, M.
name: Aslanides, E.
name: Auriemma, G.
name: Bachmann, S.
name: Back, J. J.
name: Bailey, D. S.
name: Balagura, V.
name: Baldini, W.
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name: Barschel, C.
name: Barsuk, S.
name: Barter, W.
name: Bates, A.
name: Bauer, C.
name: Bauer, Th.
name: Bay, A.
name: Bediaga, I.
name: Belous, K.
name: Belyaev, I.
name: Ben-Haim, E.
name: Benayoun, M.
name: Bencivenni, G.
name: Benson, S.
name: Benton, J.
name: Bernet, R.
name: Bettler, M. -O.
name: van Beuzekom, M.
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name: Bifani, S.
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name: Bjørnstad, P. M.
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name: Brett, D.
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Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of sqrt(s) = 7 TeV has been measured with the LHCb detector at the Large Hadron Collider. The differential cross-section is measured as a function of the phi transverse momentum p_T and rapidity y in the region 0.6 &lt; p_T &lt; 5.0 GeV/c and 2.44 &lt; y &lt; 4.06. The cross-section for inclusive phi production in this kinematic range is sigma(pp -&gt; phi X) = 1758 pm 19(stat) ^{+43}_{-14}(syst) pm 182(scale) microbarn, where the first systematic uncertainty depends on the p_T and y region and the second is related to the overall scale. Predictions based on the Pythia 6.4 generator underestimate the cross-section.
description: 10 pages, 2 figures