Leading proton production in e + p collisions at HERA
Nuclear Physics B, Volume 658, No. 1-2, Year 2003
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Events with a final-state proton carrying a large fraction of the proton beam momentum, x L >0.6, and the square of the transverse momentum p T 2 <0.5 GeV 2 , have been studied in e + p collisions with the ZEUS detector at HERA. Data with different photon virtualities were used: Q 2 <0.02 GeV 2 , 0.1