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We present an extensive study on generalized parton distributions of pions. In particular, we present the results for the pion-photon transition distribution amplitudes in the Nambu - Jona-Lasinio model. We discuss the phenomenology of such…

High Energy Physics - Phenomenology · Physics 2010-10-15 A. Courtoy

In this paper, both the unpolarized and the polarized $\rho$ meson generalized parton distributions are investigated in the framework of the Nambu--Jona-Lasinio model using proper time regularization scheme. The symmetry properties of…

High Energy Physics - Phenomenology · Physics 2022-05-25 Jin-Li Zhang , Guang-Zhen Kang , Jia-Lun Ping

An explicit evaluation of the two pion transverse momentum dependent parton distributions at leading twist is presented, in the framework of the Nambu-Jona Lasinio model with Pauli-Villars regularization. The transverse momentum dependence…

High Energy Physics - Phenomenology · Physics 2016-01-20 Santiago Noguera , Sergio Scopetta

We compute the off-forward diagonal non-singlet generalized parton distribution of the pion in two distinct chiral quark models: the Nambu-Jona-Lasinio model with the Pauli-Villars regulator and the Spectral Quark Model. The analysis is…

High Energy Physics - Phenomenology · Physics 2014-11-17 Wojciech Broniowski , Enrique Ruiz Arriola

We analyze the generalized quasi, Ioffe-time, and pseudo distributions of the valence quarks in the pion at the quark model scale. We use the framework of the Nambu-Jona-Lasinio model and investigate the basic question of how fast the pion…

High Energy Physics - Phenomenology · Physics 2023-01-11 Vanamali Shastry , Wojciech Broniowski , Enrique Ruiz Arriola

In this paper, we systematically study the generalized parton distributions (GPDs) of the pion Goldstone Boson at zero skewness ($\xi =0$) in the framework of the covariant Nambu--Jona-Lasinio model with the help of the proper time…

High Energy Physics - Phenomenology · Physics 2025-12-01 Fernando Chandra , Parada T. P. Hutauruk , Terry Mart

We calculate generalized parton distribution functions in a field theoretic formalism using a covariant Bethe-Salpeter approach for the determination of the bound-state wave function. We describe the procedure in an exact calculation in…

Nuclear Theory · Physics 2011-10-11 S. Noguera , L. Theussl , V. Vento

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…

High Energy Physics - Phenomenology · Physics 2015-05-13 Wojciech Broniowski

We investigate the off-shell generalized parton distributions (GPDs) {and transverse momentum dependent parton distributions (TMDs)} of kaons within the framework of the Nambu--Jona-Lasinio model, employing proper time regularization.…

High Energy Physics - Phenomenology · Physics 2025-11-04 Jin-Li Zhang

We evaluate Generalized Parton Distributions of the pion in two chiral quark models: the Spectral Quark Model and the Nambu-Jona-Lasinio model with a Pauli-Villars regularization. We proceed by the evaluation of double distributions through…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wojciech Broniowski , Enrique Ruiz Arriola , Krzysztof Golec-Biernat

We compute the pion light-cone wave function and the pion quark distribution amplitude in the Nambu-Jona-Lasinio model. We use the Pauli-Villars regularization method and as a result the distribution amplitude satisfies proper normalization…

High Energy Physics - Phenomenology · Physics 2009-11-07 Enrique Ruiz Arriola , Wojciech Broniowski

We analyze the impact-parameter dependent diagonal non-singlet generalized parton distribution of the pion in two distinct chiral quark models: the Spectral Quark Model and the Nambu-Jona-Lasinio model. Leading-order perturbative QCD…

High Energy Physics - Phenomenology · Physics 2007-05-23 Wojciech Broniowski , Enrique Ruiz Arriola

We present the generalized parton distributions (GPDs) for the valence quarks of the pion and the kaon in both momentum space and position space within the basis light-front quantization framework. These GPDs are obtained from the…

High Energy Physics - Phenomenology · Physics 2021-12-16 Lekha Adhikari , Chandan Mondal , Sreeraj Nair , Siqi Xu , Shaoyang Jia , Xingbo Zhao , James P. Vary

The quark generalised parton distributions of the pion are calculated from lightcone wavefunctions in transverse lattice gauge theory at large N_c. The pion effective size is found to decrease with increasing momentum transfer. An analytic…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Dalley

The generalized parton distributions of the pion are studied within different light-front approaches for the quark-hadron and quark-photon vertices, exploring different kinematical regions in both the valence and non-valence sector. Moments…

High Energy Physics - Phenomenology · Physics 2014-11-20 T. Frederico , E. Pace , B. Pasquini , G. Salme'

Two-parton correlations in the pion, a non perturbative information encoded in double parton distribution functions, are investigated in the Nambu and Jona-Lasinio model. It is found that double parton distribution functions expose novel…

High Energy Physics - Phenomenology · Physics 2020-01-29 Aurore Courtoy , Santiago Noguera , Sergio Scopetta

The valence double parton distribution of the pion is analyzed in the framework of chiral quark models, where in the chiral limit factorization between the longitudinal and transverse degrees of freedom occurs. This feature leads, at the…

High Energy Physics - Phenomenology · Physics 2020-01-29 Wojciech Broniowski , Enrique Ruiz Arriola

The off-shell characteristics of pion generalized parton distributions (GPDs) and transverse momentum dependent parton distributions (TMDs) are examined within the framework of the Nambu-Jona-Lasinio model. In our previous papers, we…

High Energy Physics - Phenomenology · Physics 2025-07-15 Jin-Li Zhang

Moments of the generalized parton distributions of the nucleon, calculated with a mixed action of domain wall valence quarks and asqtad staggered sea quarks, are presented for pion masses extending down to 359 MeV. Results for the moments…

The Nambu--Jona-Lasinio model is utilized to investigate the pion and kaon photon leading-twist transition distribution amplitudes using proper time regularization. Separately, the properties of the vector and axial vector pion photon…

High Energy Physics - Phenomenology · Physics 2024-02-27 Jin-Li Zhang , Jun Wu
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