Exclusive Upsilon-photoproduction: from HERA to Tevatron

Details Exclusive Upsilon-photoproduction: from HERA to Tevatron Exclusive Upsilon-photoproduction: from HERA to Tevatron

2008-08-07

arxiv.org/abs/0808.1027v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, a talk given by A.R. at MESON2008, 6 - 10 June 2008, Krak\'ow, Poland

Scientific paper

The amplitude for photoproduction gamma p -> \Upsilon p is calculated in a
pQCD k_\perp-factorization approach. The total cross section for diffractive
\Upsilon's is compared to recent HERA data. The amplitude is used to predict
the cross section for exclusive ppbar \to ppbar \Upsilon(1S,2S) process in
hadronic reactions at Tevatron energies. We also included absorption effects.

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