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 language | English |
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Pages (from-to) | 252-255 |
Number of pages | 4 |
Journal | Nuclear Physics B - Proceedings Supplements |
Volume | 184 |
Issue number | C |
DOIs | |
State | Published - Nov 2008 |