Measurement of ϕ-meson production at forward rapidity in p+p collisions at √s=510 GeV and its energy dependence from √s=200 GeV to 7 TeV

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2018-11-01
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Adare, A.
Apadula, Nicole
Campbell, Sarah
Ding, Lei
Hill, John
Hotvedt, Nels
Lajoie, John
Lebedev, Alexandre
Lee, S. H.
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Physics and Astronomy
Abstract

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section of phi(1020)-meson production at forward rapidity in p + p collisions at root s = 510 GeV via the dimuon decay channel. The partial cross section in the rapidity and P-T ranges 1.2 < vertical bar y vertical bar < 2.2 and 2 < p(T) < 7 GeV/c is sigma(phi) = [2.28 +/- 0.09(stat) +/- 0.14(syst) +/- 0.27(norm)] x 10(-2) mb. The energy dependence of sigma(phi) (1.2 < vertical bar y vertical bar < 2.2,2 < p(T) < 5 GeV/c) is studied using the PHENIX measurements at root s = 200 and 510 GeV and the Large Hadron Collider measurements atroot s = 2.76 and 7 TeV. The experimental results arc compared to various event generator predictions (PYTHIA6, PYTHIA8, PHOJET, AMPT, EPOS3, and EPOS-LHC).

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This article is published as Adare, A., C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, M. Alfred, N. Apadula et al. "Measurement of ϕ-meson production at forward rapidity in p+ p collisions at s= 510 GeV and its energy dependence from s= 200 GeV to 7 TeV." Physical Review D 98, no. 9 (2018): 092006. DOI: 10.1103/PhysRevD.98.092006. Posted with permission.

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Mon Jan 01 00:00:00 UTC 2018
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