Measurement of charm and beauty production in deep inelastic ep scattering from decays into muons at HERA
(2010) European Physical Journal C. Particles and Fields — Vol. C65, p. 65-79 (2010)
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- Abstract
- (en) The production of charm and beauty quarks in ep interactions has been measured with the ZEUS detector at HERA for squared four-momentum exchange Q^2>20 GeV^2, using an integrated luminosity of 126 pb^{-1}. Charm and beauty quarks were identified through their decays into muons. Differential cross sections were measured for muon transverse momenta p_T^{\mu}>1.5 GeV and pseudorapidities -1.6<\eta^{\mu}<2.3, as a function of p_T^{\mu}, \eta^{\mu}, Q^2 and Bjorken x. The charm and beauty contributions to the proton structure function F_2 were also extracted. The results agree with previous measurements based on independent techniques and are well described by QCD predictions. Comment: 14 pages, 6 tables, 7 figures, accepted by EPJC
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Chekanov, S., de Favereau de Jeneret, J., Piotrzkowski, K., & et al. (2010). Measurement of charm and beauty production in deep inelastic ep scattering from decays into muons at HERA. European Physical Journal C. Particles and Fields, C65, 65-79. https://doi.org/10.1140/epjc/s10052-009-1193-x (Original work published 2010)