Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-12-20
Eur.Phys.J.C47:655-669,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
33 pages, 26 figures
Scientific paper
10.1140/epjc/s2006-02600-1
In this paper we discuss the survival probability for exclusive central diffractive production of a colorless small size system at the LHC. This process has a clear signature of two large rapidity gaps. Using the eikonal approach for the description of soft interactions, we predict the value of the survival probability to be about 5~6% for single channel models, while for a two channel model the survival probability is about 3%. The dependence of the survival probability factor (damping factor) on the transverse momenta of the recoiled protons is discussed, and we suggest it be measured at the Tevatron so as to minimize the possible ambiguity in the calculation of survival probability at the LHC.
Gotsman Errol
Kowalski Henri
Levin Eugene
Maor Uri
Prygarin Alex
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