761 articles – 7590 Notices  [english version]
 HAL : in2p3-00700342, version 1
 Physics Letters B 710 (2012) 486-488
 The pretzelosity TMD and quark orbital angular momentum
 C. Lorcé1, 2, B. Pasquini
 (2012)
 We study the connection between the quarkorbitalangularmomentum and the pretzelosity transverse-momentum dependent parton distribution function. We discuss the origin of this relation in quark models, identifying as key ingredient for its validity the assumption of spherical symmetry for the nucleon in its rest frame. Finally we show that the individual quark contributions to the orbitalangularmomentum obtained from this relation cannot be interpreted as the intrinsic contributions, but include the contribution from the transverse centre of momentum which cancels out only in the total orbitalangularmomentum.
 Thème(s) : Physique/Physique Nucléaire Théorique
 in2p3-00700342, version 1 http://hal.in2p3.fr/in2p3-00700342 oai:hal.in2p3.fr:in2p3-00700342 Contributeur : Sophie Heurteau <> Soumis le : Mardi 22 Mai 2012, 16:49:18 Dernière modification le : Mardi 22 Mai 2012, 17:28:18