Generalized vector form factors of the pion in a chiral quark model
High Energy Physics - Phenomenology
2015-05-13 v1 High Energy Physics - Lattice
Abstract
Generalized vector form factors of the pion, related to the moments of the generalized parton distribution functions, are evaluated in the Nambu--Jona-Lasinio model with the Pauli-Villars regularization. The lowest moments (the electromagnetic and the gravitational form factors) are compared to recent lattice data, with fair agreement. Predictions for higher-order moments are also made. Relevant features of the generalized form factors in the chiral quark models are highlighted and the role of the QCD evolution for the higher-order GFFs is stressed.
Keywords
Cite
@article{arxiv.0805.4589,
title = {Generalized vector form factors of the pion in a chiral quark model},
author = {Wojciech Broniowski},
journal= {arXiv preprint arXiv:0805.4589},
year = {2015}
}
Comments
Dedicated to the memory of Manoj K. Banerjee, to appear in a special issue of the Indian Journal of Physics, 6 pages, 4 figures