Lepton-pair production from deep inelastic scatteringin peripheral relativistic heavy ion collisions |
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Authors: | U Dreyer T Baier K Hencken D Trautmann |
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Institution: | (1) Institute of Physics, University of Basel, Klingelbergstr. 82, 4056 Basel, Switzerland |
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Abstract: | We calculate the inelastic electron- and muon-pair production in peripheral relativistic heavy ion collisions in the region
of large Q2 of one of the photons. This offers a possibility to study the quark distribution functions in ions in "ultraperipheral heavy
ion collisions". The calculations are compared with those making use of the equivalent photon and the equivalent lepton approximation.
We compare the results for Pb-Pb and Pb-p collisions at RHIC (γ ≈ 100) and LHC (γ ≈ 3000) energies. Furthermore we include nuclear modifications to the parton distribution
functions in our calculations to study their effect on the cross sections. |
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