Associated jpsi + gamma production through double Pomeron exchange: The nature of the Pomeron and hard diffractive factorization breaking
Jia-Sheng Xu, Hong-An Peng
Abstract
We present a study of associated jpsi + gamma production through double Pomeron exchange at energies reached at the Fermilab Tevatron and CERN LHC based on the Ingelman-Schlein model for hard diffractive scattering and the factorization formalism of nonrelativistic QCD for quarkonia production. We find that this process (p + pbar p + pbar + jpsi + gamma + X) can be used to probe the gluon content of the Pomeron and study the natrue of hard diffractive factorization breaking.
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