Eur. Phys. J. C (2011) 71: 1741
https://doi.org/10.1140/epjc/s10052-011-1741-z

Regular Article - Experimental Physics

Factorisation breaking in diffractive dijet photoproduction at HERA?

Institute of Particle and Nuclear Physics of the Faculty of Mathematics and Physics of Charles University, V Holešovičkách 2, 180 00, Praha 8, Czech Republic

^* e-mail: alice.valkarova@mff.cuni.cz

Received: 16 May 2011
Revised: 25 July 2011
Published online: 7 September 2011

Abstract

Recent experimental data on dijet cross sections in diffractive photoproduction at HERA collider are analysed with an emphasis on QCD factorisation breaking effects. The possible sources of the different conclusions of H1 and ZEUS collaborations are studied.