Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-01-09
Phys.Rev.D56:3955-3960,1997
Physics
High Energy Physics
High Energy Physics - Phenomenology
Strongly revised version accepted for publication in Phys.Rev.D. Latex, 14 pages with 5 eps figures included
Scientific paper
10.1103/PhysRevD.56.3955
A detailed analysis of semi-exclusive diffractive processes in e-p DIS at HERA, with the diffractive final states in the forward direction is presented. The contributions of the subleading f_2, \omega, a_2, \rho reggeons and the pion exchanges to the diffractive structure function with the forward proton or neutron are estimated. It is found that the (a_2,\rho) reggeons are entirely responsible for the forward neutron production at x_P < 10^{-3}. The \pi N production in the forward region is estimated using the Deck mechanism. The significance of this reaction for the processes measured at HERA, especially with the leading neutron, is discussed.
Golec-Biernat Krzysztof
Kwiecinski Jan
Szczurek Antoni
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