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Generalized Parton Distributions and the structure of the constituent quark
Sergio Scopetta, Vicente Vento
In a scenario where the constituent quarks are composite systems, Generalized Parton Distributions (GPDs) are built from wave functions to be evaluated in a Constituent Quark Model…
Generalized parton distributions in constituent quark models
Sergio Scopetta, Vicente Vento
An approach is proposed to calculate Generalized Parton Distributions (GPDs) in a Constituent Quark Model (CQM) scenario. These off-diagonal distributions are obtained from momentu…
Single Spin Asymmetry Parameter from Deeply Virtual Compton Scattering of Hadrons up to Twist-3 accuracy: I. Pion case
I. V. Anikin, D. Binosi, R. Medrano +2
The study of deeply virtual Compton scattering has shown that electromagnetic gauge invariance requires, to leading order, not only twist two but additional twist three contributio…
The 't Hooft interaction at finite T and : Beyond the mean field theory
Yasuo Umino, Vicente Vento
We use the N-quantum approach (NQA) to quantum field theory to construct a solution of the two flavor effective instanton induced `t Hooft interaction model valid for any temperatu…
Polarized Parton Distributions in Light-Front Dynamics
P. Faccioli, F. Cano, M. Traini +1
We present a consistent calculation of the structure functions within a light-front constituent quark model of the nucleon. Relativistic effects and the relevance of the covariance…
Orbital Angular Momentum Parton Distributions in Quark Models
S. Scopetta, V. Vento
At the low energy, {\sl hadronic}, scale we calculate Orbital Angular Momentum (OAM) twist-two parton distributions for the relativistic MIT bag model and for non-relativistic quar…