Are there approximate relations among transverse momentum dependent distribution functions?
Permanent link to this recordhttp://hdl.handle.net/20.500.12613/6094
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AbstractCertain 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 h1L(1)a(x) to hLa(x), and discuss how it can be further tested by future CLAS and COMPASS data. © 2008 The American Physical Society.
Citation to related workAmerican Physical Society (APS)
Has partPhysical Review D - Particles, Fields, Gravitation and Cosmology
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