Beauty photoproduction using decays into electrons at HERA

Details Beauty photoproduction using decays into electrons at HERA Beauty photoproduction using decays into electrons at HERA

2008-05-28

arxiv.org/abs/0805.4390v3

Phys.Rev.D78:072001,2008

Physics

High Energy Physics

High Energy Physics - Experiment

39 pages, 14 figures, Phys Rev D version

Scientific paper

10.1103/PhysRevD.78.072001

Photoproduction of beauty quarks in events with two jets and an electron associated with one of the jets has been studied with the ZEUS detector at HERA using an integrated luminosity of 120pb^-1. The fractions of events containing b quarks, and also of events containing c quarks, were extracted from a likelihood fit using variables sensitive to electron identification as well as to semileptonic decays. Total and differential cross sections for beauty and charm production were measured and compared with next-to-leading-order QCD calculations and Monte Carlo models.

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