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DIFFRACTIVE DOUBLE-ELASTIC PRODUCTION OF η′ AND η_c IN THE pp → pXp REACTION

ANTONI SZCZUREK

Institute of Nuclear Physics PAN, ul. Radzikowskiego 152, PL-31-342 Cracow, Poland

University of Rzeszów, ul. Rejtana 16, PL-35-959 Rzeszów, Poland

https://doi.org/10.1142/S0217751X07036087Cited by:1 (Source: Crossref)

Abstract

I discuss double-diffractive (double-elastic) production of the η′ and η_c mesons in the pp → pXp reaction within the formalism of unintegrated gluon distribution functions (UGDF). The contribution of γ*γ* → η′ fusion is estimated. The distributions in the Feynman x_F (or rapidity), transferred four-momenta squared between initial and final protons (t₁, t₂) and azimuthal angle difference between outgoing protons (Φ) are calculated and discussed. The results are compared with the WA102 data. Predictions at higher energies are presented.

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