Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-08-12
Physics
High Energy Physics
High Energy Physics - Phenomenology
Talk at RHIC'96, 43 pages, 23 figures
Scientific paper
In this talk we present our detail study ( theory and numbers) [1] on the shadowing corrections to the gluon structure functions for nuclei. Starting from rather contraversial information on the nucleon structure function which is originated by the recent HERA data, we develop the Glauber approach for the gluon density in a nucleus based on Mueller formula [2] and estimate the value of the shadowing corrections in this case. Than we calculate the first corrections to the Glauber approach and show that these corrections are big. Based on this practical observation we suggest the new evolution equation which takes into account the shadowing corrections and solve it. We hope to convince you that the new evolution equation gives a good theoretical tool to treat the shadowing corrections for the gluons density in a nucleus and, therefore, it is able to provide the theoretically reliable initial conditions for the time evolution of the nucleus - nucleus cascade.
Ayala Alvaro L.
Gay Ducati M. B.
Levin Eugene M.
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