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arxiv: 1605.00815 · v2 · submitted 2016-05-03 · ✦ hep-ph · hep-ex· nucl-ex· nucl-th

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Transverse pion structure beyond leading twist in constituent models

C. Lorc\'e (Ecole Polytechnique , CPHT) , B. Pasquini (Pavia U. & INFN , Pavia) , P. Schweitzer (Connecticut U. , Tubingen U.)
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classification ✦ hep-ph hep-exnucl-exnucl-th
keywords piontmdsbeyondconstituentleadingmodelsstructuretwist
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The understanding of the pion structure as described in terms of transverse-momentum dependent parton distribution functions (TMDs) is of importance for the interpretation of currently ongoing Drell-Yan experiments with pion beams. In this work we discuss the description of pion TMDs beyond leading twist in a pion model formulated in the light-front constituent framework. For comparison, we also review and derive new results for pion TMDs in the bag and spectator models.

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