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, \(p_{\mathrm {T}}^{\mathrm{jet}}\), and pseudorapidity, η jet, were measured. The data are compared with previous measurements and are well described by next-to-leading-order QCD predictions.
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The ZEUS Collaboration., Abramowicz, H., Abt, I. et al. Measurement of heavy-quark jet photoproduction at HERA. Eur. Phys. J. C 71, 1659 (2011). https://doi.org/10.1140/epjc/s10052-011-1659-5
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DOI: https://doi.org/10.1140/epjc/s10052-011-1659-5