Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-11-18
Eur.Phys.J.C46:413-420,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, 7 figures. Version to be published in the European Physical Journal C
Scientific paper
10.1140/epjc/s2006-02517-7
In this paper we investigate the saturation physics in diffractive deep inelastic electron-ion scattering. We estimate the energy and nuclear dependence of the ratio $\sigma^{diff}/\sigma^{tot}$ and predict the $x_{\pom}$ and $\beta$ behavior of the nuclear diffractive structure function $F_{2,A}^{D(3)}(Q^2, \beta, x_{IP})$. Moreover, we analyze the ratio $R^{diff}_{A1,A2}(Q^2, \beta, x_{IP}) = F_{2,A1} ^{D(3)}/F_{2,A2} ^{D(3)}$, which probes the nuclear dependence of the structure of the Pomeron. We show that saturation physics predicts that approximately 37 % of the events observed at eRHIC should be diffractive.
Goncalves Victor P.
Kugeratski M. S.
Navarra Fernando S.
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