Measurement of Deeply Virtual Compton Scattering at HERA
Abstract
A measurement is presented of elastic Deeply Virtual Compton Scattering e+ + p -> e+ + photon + p at HERA using data taken with the H1 detector. The cross section is measured as a function of the photon virtuality, Q2, and the invariant mass, W, of the gamma p system, in the kinematic range 2 < Q2 < 20 GeV2, 30 < W < 120 GeV and |t| < 1 GeV2, where t is the squared momentum transfer to the proton. The measurement is compared to QCD based calculations.
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