[en] Transverse-momentum dependent parton distributions (TMDs) are studied in the framework of quark models. In particular, quark-model relations among TMDs are reviewed, elucidating their physical origin in terms of the quark-spin structure in the nucleon. The formal aspects of the derivation of these relations are complemented with explicit examples, emphasizing how and to which extent the conditions which lead to relations among TMDs are implemented in different classes of quark models.
Disciplines :
Physics
Author, co-author :
Lorce, Cédric ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules
Pasquini, B.
Language :
English
Title :
On the Origin of Model Relations among Transverse-Momentum Dependent Parton Distributions
Publication date :
2011
Journal title :
Physical Review. D, Particles, Fields, Gravitation, and Cosmology
ISSN :
1550-7998
eISSN :
1550-2368
Publisher :
American Physical Society, College Park, United States - Maryland
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