Spectral Analysis of Gluonic Pole Matrix Elements

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dc.creatorGamberg, L. P.
dc.creatorMukherjee, A.
dc.creatorMulders, P. J.
dc.date2008-07-08
dc.date.accessioned2026-07-07T09:48:59Z
dc.date.available2026-07-07T09:48:59Z
dc.descriptionWe use a spectator framework to investigate the spectral properties of quark-quark-gluon correlators and use this to study gluonic pole matrix elements. Such matrix elements appear in principle both for distribution functions such as the Sivers function and fragmentation functions such as the Collins function. We find that the contribution of the gluonic pole matrix element in fragmentation functions vanishes. This outcome is important in the study of universality for fragmentation functions.
dc.description4 pages, 2 figures: To appear in the proceedings of 16th International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2008), London, U.K., 7-11 Apr 2008
dc.identifierhttps://arxiv.org/abs/0807.1138
dc.identifierhttp://arxiv.org/abs/0807.1138
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164420
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSpectral Analysis of Gluonic Pole Matrix Elements
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