Exploring the Pion phenomenology within a fully covariant constituent quark model
arXiv:1208.1416 · doi:10.1007/s00601-012-0457-4
Abstract
An overview of the vector and tensor Generalized Parton Distributions for a charged pion is presented. Such observables, belonging to the set of quantities fundamental for a detailed investigation of the hadronic inner dynamics, have been evaluated within a fully covariant Constituent Quark Model, based on a proper Ansatz of the pion Bethe-Salpeter Amplitude and the Mandelstam formula for matrix elements of operators acting on relativistic composite systems. Given the very encouraging results already obtained for the vector distribution of a charged pion, the model has been extended to the tensor one, and some preliminary calculations will be illustrated.
12 pages and 3 figures. Accepted for publication as a regular paper in "Few-Body Systems", and based on a talk delivered at the Workshop on "Critical Stability" Erice, Italy on October 9-15, 2011
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- Pion TMDs in light-front constituent approach, and Boer-Mulders effect in the pion-induced Drell-Yan process
- Representations of relativistic particles of arbitrary spin in Poincaré, Lorentz, and Euclidean covariant formulations of relativistic quantum mechanics
- An Effective Model for Glueballs and Dual Superconductivity at Finite Temperature