Central exclusive J/ and c production at LHCb

Abstract

Central exclusive J/ and c meson production has been measured in decays to dimuons with the LHCb detector, in data corresponding to 36 /pb of integrated luminosity from s = 7 TeV proton-proton collisions. Cross-section measurements for J/, (2S) and c0,c1,c2 production are presented, and the J/ photoproduction cross-section is measured as a function of the photon-proton centre-of-mass energy and compared to measurements made at HERA.

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