The energy dependence of the photon–proton total cross section, Sigma_tot_gamma-p, was determined from e+p scattering data collected with the ZEUS detector at HERA at three values of the center-of-mass energy, W, of the γp system in the range 194<W<296 GeV. This is the first determination of the W dependence of Sigma_tot_gamma-p from a single experiment at high W.
Measurement of the energy dependence of the total photon–proton cross section at HERA
DE PASQUALE, Salvatore
2011-01-01
Abstract
The energy dependence of the photon–proton total cross section, Sigma_tot_gamma-p, was determined from e+p scattering data collected with the ZEUS detector at HERA at three values of the center-of-mass energy, W, of the γp system in the range 194File in questo prodotto:
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