$J/ψ+ jet$ diffractive production in the direct photon process at HERA

Details $J/ψ+ jet$ diffractive production in the direct photon process at HERA $J/ψ+ jet$ diffractive production in the direct photon process at HERA

1999-06-09

arxiv.org/abs/hep-ph/9906306v1

Eur.Phys.J.C14:275-284,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex, 21 pages, 7 EPS figures

Scientific paper

We present a study of $J/\psi + jet$ diffractive production in the direct photon process at HERA based on the factorization theorem for lepton-induced hard diffractive scattering and the factorization formalism of the nonrelativistic QCD (NRQCD) for quarkonia production. Using the diffractive gluon distribution function extracted from HERA data on diffractive deep inelastic scattering and diffractive dijet photon production, we show that this process can be studied at HERA with present integrated luminosity, and can give valuable insights in the color-octet mechanism for heavy quarkonia production.

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