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Low-mass vector-meson production at forward rapidity in p + p collisions at √s = 200  GeV

Abstract

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured low-mass vector-meson, ω, ρ, and ϕ, production through the dimuon decay channel at forward rapidity (1.2<|y|<2.2) in p+p collisions at √s=200  GeV. The differential cross sections for these mesons are measured as a function of both pT and rapidity. We also report the integrated differential cross sections over 1<pT<7  GeV/c and 1.2<|y|<2.2: dσ/dy(ω+ρ→μμ)=80±6(stat)±12(syst)  nb and dσ/dy(ϕ→μμ)=27±3(stat)±4(syst)  nb. These results are compared with midrapidity measurements and calculations

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