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journal id: "physicsxlettersxb"
| Authors | S. Chekanov, . et al., G. Grigorescu, A. Keramidas, E. Koffeman, P. Kooijman, A. Pellegrino, H. Tiecke, M. Vázquez, L. Wiggers | | Title | Measurement of isolated photon production in deep inelastic ep scattering |
| Journal | Physics Letters B |
| Volume | 687 |
| Year | 2010 |
| Issue | 1 |
| Pages | 16-25 |
| ISSN | 03702693 |
| Faculty | Faculty of Science |
| Institute/dept. | FNWI: Institute for High Energy Physics (IHEF) |
| Abstract | Isolated photon production in deep inelastic ep scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 320 pb(-1). Measurements were made in the isolated-photon transverse-energy and pseudorapidity ranges 4 < E-T(gamma) < 15 GeV and 0.7 < eta(gamma) < 0.9 for exchanged photon virtualities, Q(2), in the range 10 < Q(2) < 350 GeV2 and for invariant masses of the hadronic system W-X > 5 GeV. Differential cross sections are presented for inclusive isolated photon production as functions of Q(2), x, E-T(gamma) and eta(gamma). Leading-logarithm parton-shower Monte Carlo simulations and perturbative QCD predictions give a reasonable description of the data over most of the kinematic range. |
| Document type | Article |
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