Are there approximate relations among transverse momentum dependent distribution functions?

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dc.creatorAvakian, H.
dc.creatorEfremov, A. V.
dc.creatorGoeke, K.
dc.creatorMetz, A.
dc.creatorSchweitzer, P.
dc.creatorTeckentrup, T.
dc.date2007-09-20
dc.date.accessioned2026-07-07T11:19:27Z
dc.date.available2026-07-07T11:19:27Z
dc.descriptionCertain exact relations among transverse momentum dependent parton distribution functions due to QCD equations of motion turn into approximate ones upon the neglect of pure twist-3 terms. On the basis of available data from HERMES we test the practical usefulness of one such ``Wandzura-Wilczek-type approximation'', namely of that connecting h_{1L}^{\perp(1)a}(x) to h_L^a(x), and discuss how it can be further tested by future CLAS and COMPASS data.
dc.description9 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0709.3253
dc.identifierhttp://arxiv.org/abs/0709.3253
dc.identifierPhys.Rev.D77:014023,2008
dc.identifierdoi:10.1103/PhysRevD.77.014023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193687
dc.subjectHigh Energy Physics - Phenomenology
dc.titleAre there approximate relations among transverse momentum dependent distribution functions?
dc.typetext

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