HERA Anomaly and Hard Charm in the Nucleon

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dc.creatorMelnitchouk, W.
dc.creatorThomas, A. W.
dc.date1997-07-18
dc.date1997-09-15
dc.date.accessioned2026-07-07T11:09:38Z
dc.date.available2026-07-07T11:09:38Z
dc.descriptionWe explore the possibility that the excess neutral and charged current events seen by the H1 and ZEUS Collaborations at HERA at large x and Q^2 could arise from a hard charm component of the nucleon. While the symmetric intrinsic charm hypothesis is unable to account for the HERA anomaly, a non-symmetric charm distribution generated non-perturbatively, for which c-bar is much harder than c, can produce significant enhancement of cross sections at the HERA kinematics.
dc.descriptionextra figure included, version to appear in Phys. Lett. B
dc.identifierhttps://arxiv.org/abs/hep-ph/9707387
dc.identifierhttp://arxiv.org/abs/hep-ph/9707387
dc.identifierPhys.Lett.B414:134-139,1997
dc.identifierdoi:10.1016/S0370-2693(97)01150-7
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190539
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleHERA Anomaly and Hard Charm in the Nucleon
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