Photoproduction of isolated photons, inclusively and with a jet, at HERAстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 20 мая 2014 г.
Аннотация:Abstract: The photoproduction of isolated photons, both inclusive and together with a jet, has been measured with the ZEUS detector at HERA using an integrated luminosity of 374 pb−1 . Differential cross sections are presented in the isolated-photon transverse-energy and pseudorapidity ranges 6<EγT<15 GeV and −0.7<ηγ<0.9 , and for jet transverse-energy and pseudorapidity ranges 4<EjetT<35 GeV and −1.5<ηjet<1.8 , for exchanged-photon virtualities Q2<1 GeV2 . Differential cross sections are also presented for inclusive isolated-photon production as functions of the transverse energy and pseudorapidity of the photon. Higher-order theoretical calculations are compared to the results.