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Prompt J/psi production in charged-current deep-inelastic scattering

Bernd A. Kniehl·Lennart Zwirner
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Abstract

We calculate the cross section of J/psi inclusive production in lepton-nucleon deep-inelastic scattering via the weak charged current within the factorization formalism of nonrelativistic quantum chromodynamics. The hadronic system produced in association with the J/psi meson can be of light-quark origin or contain charm. We take into account both direct production and feed-down from directly-produced heavier charmonia. We provide the cross sections of all contributing partonic subprocesses in analytic form. We present theoretical predictions for the J/psi transverse-momentum and rapidity distributions, which can be measured in current neutrino-nucleon scattering experiments at CERN and Fermilab, and possibly at the future electron-proton collider THERA at DESY. We find the cross section to be at the edge of observability at DESY HERA.

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Bernd A. Kniehl, Lennart Zwirner. 2003-08-15. Prompt J/psi production in charged-current deep-inelastic scattering. https://doi.org/10.1016/j.nuclphysb.2003.10.039

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