Exclusive ρ0 production in deep inelastic scattering at HERA

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Abstract

Exclusive ρ0 electroproduction at HERA has been studied with the ZEUS detector using 120 pb-1 of integrated luminosity collected during 1996-2000. The analysis was carried out in the kinematic range of photon virtuality 2 < Q2 < 160 GeV2 and γ*p centre-of-mass energy 32 < W < 180 GeV. The results include the Q2 and W dependence of the γ*p → ρ0p cross section and the distribution of the squared-four-momentum transfer to the proton. The helicity analysis of the decay-matrix elements of the ρ0 was used to study the ratio of the γ*p cross section for longitudinal and transverse photon as a function of Q2, W and t. Finally, an effective Pomeron trajectory was extracted.

Original languageEnglish
Pages (from-to)252-255
Number of pages4
JournalNuclear Physics B - Proceedings Supplements
Volume184
Issue numberC
DOIs
StatePublished - Nov 2008

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