Diffractive production of chi(c)(0+,1+,2+) mesons at LHC, Tevatron and RHIC

Details Diffractive production of chi(c)(0+,1+,2+) mesons at LHC, Tevatron and RHIC Diffractive production of chi(c)(0+,1+,2+) mesons at LHC, Tevatron and RHIC

2009-09-24

arxiv.org/abs/0909.4498v1

PoS EPS-HEP2009 2009:335,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, Talk given at European Physical Society Europhysics Conference on High Energy Physics, EPS-HEP 2009, July 16 - 22 200

Scientific paper

We consider exclusive double diffractive production of scalar \chi_c(0^+), axial-vector \chi_c(1^+) and tensor \chi_c(2^+) charmonia in proton-(anti)proton collisions at different energies. The corresponding amplitudes for these processes are derived within the k_t-factorisation approach and the corresponding cross section is calculated with different unintegrated gluon distribution functions (UGDFs) known from the literature. We compare exclusive production of all charmonium states \chi_c(0^+), \chi_c(1^+) and \chi_c(2^+) including branching fraction for radiative J/\Psi + \gamma decay channel. Corresponding experimental consequences are discussed.

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