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Creators/Authors contains: "Bastami, Saman"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, 27th International Workshop on Deep Inelastic Scattering and Related Subjects (DIS 2019))
    We explore the complete cross-section for the production of unpolarized hadrons in semi-inclusive deep-inelastic scattering up to power-suppressed O(1/Q2) terms in the Wandzura-Wilczek-type (WW-type) approximation, which consists in systematically assuming that q¯gq-correlators are much smaller than q¯q-correlators. Under the applicability of WW-type approximations, certain relations among transverse momentum dependent parton distribution functions (TMDs) and fragmentation functions (FFs) occur which are used to approximate SIDIS cross-section in terms of a smaller subset of TMDs and FFs. We discuss the applicability of the WW-type approximations on the basis of available data. 
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