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The photoproduction of bottom quarks in events with two jets and a muon has been measured with the ZEUS detector at HERA using an integrated luminosity of 110 [Formula Presented]. The fraction of jets containing b quarks was extracted from the transverse momentum distribution of the muon relative to the closest jet. Differential cross sections for bottom production as a function of the transverse momentum and pseudorapidity of the muon, of the associated jet and of [Formula Presented] the fraction of the photon’s momentum participating in the hard process, are compared with MC models and QCD predictions made at next-to-leading order. The latter give a good description of the data. © 2004 The American Physical Society.

Original publication




Journal article


Physical Review D - Particles, Fields, Gravitation and Cosmology

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