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Exclusive photoproduction of <i>φ</i> meson in γp→φp and pp→pφp reactions
Cisek, A.,Schä,fer, W.,Szczurek, A. Elsevier 2010 Physics letters: B Vol.690 No.2
<P><B>Abstract</B></P><P>The amplitude for γp→φp is calculated in a pQCD <SUB>kT</SUB>-factorization approach. The total cross section for this process is compared with HERA data. Total cross section, as a function of photon–proton energy and photon virtuality, is calculated. We also discuss the ratio of <SUB>σL</SUB>/<SUB>σT</SUB> and the dependence on the mass of the strange quark. The amplitude for γp→φp is used to predict the cross section for exclusive photoproduction of <I>φ</I> meson in proton–proton collisions. Absorption effects are included. The results for RHIC, Tevatron and LHC energies are presented.</P>