English
Related papers

Related papers: Transverse densities and generalized parton distri…

200 papers

In this paper, the light-front wave functions (LFWFs) of $\rho$ meson are evaluated in the framework of Nambu--Jona-Lasinio model using the proper time regularization scheme. The transverse momentum dependent parton distributions (TMDs) of…

High Energy Physics - Phenomenology · Physics 2025-01-10 Jin-Li Zhang , Jun Wu

We present a study of the generalized parton distributions for the quarks in a proton in both momentum and position spaces using the light-front wave functions of a quark-diquark model for the nucleon predicted by the soft-wall model of…

High Energy Physics - Phenomenology · Physics 2015-07-14 Chandan Mondal , Dipankar Chakrabarti

We study $\rho$ meson unpolarized generalized parton distributions based on a light-front constituent quark model where the quark-antiquark-meson vertex is constructed under the symmetric loop momentum convention. The form factors and some…

High Energy Physics - Phenomenology · Physics 2017-09-06 Bao-Dong Sun , Yu-Bing Dong

We discuss the recent interpretation of quark distribution functions in the plane transverse to the light-cone direction. Such a mapping is model independent and allows one to build multidimensional pictures of the hadron and to develop a…

High Energy Physics - Phenomenology · Physics 2017-08-23 C. Lorcé , B. Pasquini , M. Vanderhaeghen

We present the leading-twist quark transverse momentum-dependent parton distribution functions (TMDs) for the spin-1 target, such as the $\rho$-meson, in the light-front framework. Specifically, we predict the TMDs in the light-front…

High Energy Physics - Phenomenology · Physics 2021-02-24 Satvir Kaur , Chandan Mondal , Harleen Dahiya

We solve for the $\rho$-meson's wave functions from a light-front QCD Hamiltonian determined for its constituent quark-antiquark and quark-antiquark-gluon Fock components, with a three-dimensional confinement using basis light-front…

High Energy Physics - Phenomenology · Physics 2024-01-09 Satvir Kaur , Jiatong Wu , Zhi Hu , Jiangshan Lan , Chandan Mondal , Xingbo Zhao , James P. Vary

We investigate the partonic structure of the $\rho$ meson, the lightest spin-$1$ vector meson, within the light-front quark model (LFQM). To explore the sensitivity to model assumptions, we employ two distinct types of spin wave functions…

High Energy Physics - Phenomenology · Physics 2025-11-17 Satyajit Puhan , Shubham Sharma , Narinder Kumar , Harleen Dahiya

Electromagnetic form factors obtained from the overlap of light front wave functions (LFWFs) have been used to study the transverse densities of charge and magnetization. The calculations have been carried out to develop a relation between…

High Energy Physics - Phenomenology · Physics 2015-06-23 Narinder Kumar , Harleen Dahiya

We have investigated the unpolarized valence quark generalized parton distribution functions (GPDs) and parton distribution functions (PDFs) for heavy spin-$0$, $B$- and $D$-mesons in the light-front quark model (LFQM). PDFs have been…

High Energy Physics - Phenomenology · Physics 2024-08-16 Satyajit Puhan , Harleen Dahiya

The $\rho$ meson polarized generalized parton distribution functions, its structure functions $g_1$ and $g_2$ and its axial form factors ${\tilde G}_{1,2}$ are studied based on a light-front quark model for the first time. Comparing our…

High Energy Physics - Phenomenology · Physics 2019-02-06 Bao-Dong Sun , Yu-Bing Dong

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

We study the leading-twist unpolarized generalized parton distributions (GPDs) of light and heavy vector mesons, i.e., the $\rho$, $J/\psi$ and $\Upsilon$, at zero skewness. An ansatz incorporating the zero mode contribution is introduced…

High Energy Physics - Phenomenology · Physics 2023-04-26 Chao Shi , Jicheng Li , Pei-Lin Yin , Wenbao Jia

We present the parton distribution functions (PDFs) for un- polarised, longitudinally polarized and transversely polarized quarks in a proton using the light-front quark diquark model. We also present the scale evolution of PDFs and…

High Energy Physics - Phenomenology · Physics 2018-01-08 Tanmay Maji , Dipankar Chakrabarti

We present all the leading twist T-even TMDs in the light-front quark diquark model(LFQDM) and study the relations among them. The model contains both the scalar and vector diquarks with the light front wave functions modeled from the…

High Energy Physics - Phenomenology · Physics 2017-04-12 Tanmay Maji , Dipankar Chakrabarti

In this work, we have investigated the transverse and spatial structure of light ($\pi^+ (u\bar d)$, $K^+(u\bar s)$) and heavy ($\eta_c(c\bar c)$, $\eta_b (b\bar b)$, $B$ and $D$) pseudoscalar mesons using the light-cone quark model. The…

High Energy Physics - Phenomenology · Physics 2025-03-19 Satyajit Puhan , Navpreet Kaur , Harleen Dahiya

In this work, we have investigated the valence quark structure of light $\rho$ and heavy $J/\psi$ vector mesons using the light-cone quark model through unpolarized quark generalized parton distributions (GPDs). By solving the quark-quark…

High Energy Physics - Phenomenology · Physics 2025-09-24 Tanisha , Satyajit Puhan , Anurag Yadav , Harleen Dahiya

We present the general framework to calculate chiral-odd generalized parton distributions in the overlap representation using the Fock-state decomposition in the transverse spin basis. In the forward limit we derive the transversity…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Pincetti , B. Pasquini , S. Boffi

We study the leading-twist time-reversal even transverse momentum dependent parton distribution functions (TMDs) of light and heavy vector mesons, i.e., the $\rho$, $J/\psi$ and $\Upsilon$. We employ the leading Fock-state light front wave…

High Energy Physics - Phenomenology · Physics 2022-08-17 Chao Shi , Jicheng Li , Ming Li , Xurong Chen , Wenbao Jia

We evaluate both chirally even and odd generalized parton distributions(GPDs) in the leading twist in a recently proposed quark-diquark model for the proton where the light front wavefunctions are constructed from the soft-wall AdS/QCD…

High Energy Physics - Phenomenology · Physics 2017-08-02 Tanmay Maji , Chandan Mondal , Dipankar Chakrabarti

We discuss the recent interpretation of quark-distribution functions in the plane transverse to the light-cone direction. Such a mapping is model independent and allows one to build up multidimensional pictures of the hadron and to develop…

High Energy Physics - Phenomenology · Physics 2015-05-20 Cédric Lorcé , Barbara Pasquini , Marc Vanderhaeghen
‹ Prev 1 2 3 10 Next ›