Inclusive Hadron Photoproduction from Longitudinally Polarized Protons and Deuterons

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dc.creatorThe E155 Collaboration
dc.creatoral, P. L. Anthony et
dc.date1999-02-20
dc.date.accessioned2026-07-07T12:03:30Z
dc.date.available2026-07-07T12:03:30Z
dc.descriptionWe report measurements of the asymmetry A_parallel for inclusive hadron production on longitudinally polarized proton and deuteron targets by circularly polarized photons. The photons were produced via internal and external bremsstrahlung from an electron beam of 48.35 GeV. Asymmetries for both positive and negative signed hadrons, and a subset of identified pions, were measured in the momentum range 10<P<30 GeV at 2.75 and 5.5 degrees. Small non-zero asymmetries are observed for the proton, while the deuteron results are consistent with zero. Recent calculations do not describe the data well.
dc.description8 pages, 4 figures. Submitted to Physics Letters B
dc.identifierhttps://arxiv.org/abs/hep-ph/9902412
dc.identifierhttp://arxiv.org/abs/hep-ph/9902412
dc.identifierPhys.Lett.B458:536-544,1999
dc.identifierdoi:10.1016/S0370-2693(99)00589-4
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207804
dc.subjectHigh Energy Physics - Phenomenology
dc.titleInclusive Hadron Photoproduction from Longitudinally Polarized Protons and Deuterons
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