Mainz 2014 – scientific programme

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T: Fachverband Teilchenphysik

T 120: QCD 2

T 120.3: Talk

Thursday, March 27, 2014, 17:20–17:35, GFH 01-721

Isolated photons in photoproduction at HERA — •Volodymyr Myronenko — ZEUS (DESY), Notkestraße 85, 22607 Hamburg, Germany

Isolated photons, inclusive and with accompanying hadronic jet, have been measured by the ZEUS detector at HERA collider, using an integrated luminosity of 374 pb⁻¹. Differential cross sections as a function of photon transverse energy and pseudorapidity are presented in ranges of 6 < E_T^γ < 15 GeV and −0.7 < η^γ < 0.9 for inclusive production. Differential cross sections for photons with jets are measured as a function of jet transverse energy and pseudorapidity in ranges of 4 < E_T^jet < 35 GeV and −1.5 < η^jet < 1.8. The comparison of the experimental results to theoretical predictions is shown.