Collins effect in semi-inclusive deeply inelastic scattering and in electron positron annihilation

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dc.creatorEfremov, A. V.
dc.creatorGoeke, K.
dc.creatorSchweitzer, P.
dc.date2006-03-07
dc.date2006-06-03
dc.date.accessioned2026-07-07T10:44:50Z
dc.date.available2026-07-07T10:44:50Z
dc.descriptionThe Collins fragmentation function is extracted from HERMES data on azimuthal single spin asymmetries in semi-inclusive deeply inelastic scattering, and BELLE data on azimuthal asymmetries in electron positron annihilations. A Gaussian model is assumed for the distribution of transverse parton momenta and predictions are used from the chiral quark-soliton model for the transversity distribution function. We find that the HERMES and BELLE data yield a consistent picture of the Collins fragmentation function which is compatible with COMPASS data and the information previously obtained from an analysis of DELPHI data. Estimates for future experiments are made.
dc.description13 pages, 11 figures. v2: Clarifications added, matches published version
dc.identifierhttps://arxiv.org/abs/hep-ph/0603054
dc.identifierhttp://arxiv.org/abs/hep-ph/0603054
dc.identifierPhys.Rev.D73:094025,2006
dc.identifierdoi:10.1103/PhysRevD.73.094025
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/182736
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCollins effect in semi-inclusive deeply inelastic scattering and in electron positron annihilation
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