Elastic Vector Meson Production at HERA

2001/11/01 by B. Mellado, Mellado, B.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #hep-ex

paper · pdf · doi:10.48550/arxiv.hep-ex/0111008

Proceedings to EPS01, July 2001, Budapest, Hungary

arxiv created 2001/12/21 · arxiv updated 2009/11/30

Abstract

The H1 and ZEUS Collaborations report new results on elastic VM cross-section and trajectory determination. Elastic VM production appears to be independent of the photon polarization. The presence of non-zero shrinkage in the photoproduction of J/psi indicates the presence of soft physics. Accumulated data do not accommodate a universal Pomeron trajectory. The steepness of the x dependence of elastic VM production with changing Q²+M_V² is similar to that of F₂ with changing Q².

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