Abstract
Recent results from HERA on exclusive vector meson production are reviewed. The diffractive reaction γ* p → V p (V = p 0,ω.Λ) has been measured at photon- proton centre-of-mass energies 20 < W < 160 GeV, for photon virtualities Q 2 < 60 GeV2 and for ∣t∣ up to 11 GeV2, where t is the square of the four-momentum transferred at the proton vertex. The γ* p → V p cross section as a function of W, Q 2 and t is presented. The polarisation properties of the p0 produced at low and high Q 2 are discussed. The data are compared with perturbative QCD calculations.
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Proskuryakov, A. (2000). Light Vector Meson Production at HERA. In: Grindhammer, G., Kniehl, B.A., Kramer, G. (eds) New Trends in HERA Physics 1999. Lecture Notes in Physics, vol 546. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-46522-7_25
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DOI: https://doi.org/10.1007/3-540-46522-7_25
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