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

2008-09-18

arxiv.org/abs/0809.3175v3

Physics

High Energy Physics

High Energy Physics - Experiment

3 pages, 4 figures, ICHEP08 poster, LaTex use slac_one.rtx, v2: ICHEP conference header included, v3: recreated with updated c

Scientific paper

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 120 pb-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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