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\( J/\psi +{\mathrm{jet}} \) diffractive production in the direct photon process at HERA

  • J.-S. Xu
  • H.-A. Peng
  • Z.-Y. Yan
  • Z.-M. He
Theoretical physics
  • 32 Downloads

Abstract.

We present a study of the \(J/\psi +{\mathrm{jet}}\) diffractive production in direct photon processes at HERA based on the factorization theorem for lepton-induced hard diffractive scattering and the factorization formalism of the non-relativistic 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 demonstrate that this process is measurable at DESY HERA. The experimental study of this process can give valuable insight in the diffractive production mechanism and test the color-octet mechanism for heavy quarkonia production in a new environment.

Keywords

Factorization Formalism Inelastic Scattering Deep Inelastic Scattering Gluon Distribution Factorization Theorem 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • J.-S. Xu
    • 1
  • H.-A. Peng
    • 2
  • Z.-Y. Yan
    • 3
  • Z.-M. He
    • 3
  1. 1.Department of Physics, Peking University, Beijing 100871, P.R. ChinaCN
  2. 2.China Center of Advance Science and Technology (World Laboratory), Beijing 100080, P.R. ChinaCN
  3. 3.Department of Physics, Hebei Teacher's University, Shijiazhuang 050016, P.R. ChinaCN

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