Measurement of heavy-quark jet photoproduction at HERA

The ZEUS collaboration

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19 Scopus citations

Abstract

Photoproduction of beauty and charm quarks in events with at least two jets has been measured with the ZEUS detector at HERA using an integrated luminosity of 133 pb−1. The fractions of jets containing b and c quarks were extracted using the invariant mass of charged tracks associated with secondary vertices and the decay-length significance of these vertices. Differential cross sections as a function of jet transverse momentum, pjet T, and pseudora pidity, ηjet, were measured. The data are compared with previous measurements and are well described by next-toleading- order QCD predictions.

Original languageEnglish
Article number1659
JournalEuropean Physical Journal C
Volume71
Issue number5
DOIs
StatePublished - 2011

Funding

FundersFunder number
Science and Technology Facilities CouncilST/H001026/1, ST/H001026/2
Science and Technology Facilities Council

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