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We investigate the gluon Wigner distributions for unpolarized, longitudinally polarized and transversely polarized target state. Instead of a nucleon, we take the target state to be a quark dressed with a gluon at one loop and investigate…

High Energy Physics - Phenomenology · Physics 2018-05-25 Jai More , Asmita Mukherjee , Sreeraj Nair

We study the Wigner distributions of quarks and gluons in light-front dressed quark model using the overlap of light front wave functions (LFWFs). We take the target to be a dressed quark, this is a composite spin $-1/2$ state of quark…

High Energy Physics - Phenomenology · Physics 2018-04-04 Jai More , Asmita Mukherjee , Sreeraj Nair

We present the gluon generalized TMDs for non-zero skewness and Wigner distributions in the boost invariant longitudinal space. The boost-invariant longitudinal space is defined as $\sigma=\frac{1}{2}b^-\Delta^+$ and is conjugate to the…

High Energy Physics - Phenomenology · Physics 2024-09-11 Sujit Jana , Vikash Kumar Ojha , Tanmay Maji

The Wigner distributions (WDs) in boost-invariant longitudinal space for unpolarized, longitudinally polarized and linearly polarized gluons in a proton are presented in the framework of the light-front gluon spectator model inspired by…

High Energy Physics - Phenomenology · Physics 2026-03-27 Sonia , Tanmay Maji , Hemant Kumar

The quasi-probabilistic Wigner distributions are the quantum mechanical analog of the classical phase-space distributions. We investigate quark Wigner distributions for a quark state dressed with a gluon, which can be thought of as a simple…

High Energy Physics - Phenomenology · Physics 2017-05-09 Jai More , Asmita Mukherjee , Sreeraj Nair

We calculate quark Wigner distributions using the light-front wave functions in a dressed quark model. In this model, a proton target is replaced by a simplified spin-1/2 state, namely a quark dressed with a gluon. We calculate the Wigner…

High Energy Physics - Phenomenology · Physics 2017-03-08 Jai More , Asmita Mukherjee , Sreeraj Nair

We study the gluon Wigner distributions of the proton which are the phase-space distributions containing the most general one-parton information. Using the proton wave functions deduced from a light-cone spectator model that contains the…

High Energy Physics - Phenomenology · Physics 2023-12-14 Chentao Tan , Zhun Lu

We present a recent calculation of Wigner distributions of quarks and gluons for a quark target state dressed with a gluon, using overlaps of light-front wave functions.

High Energy Physics - Phenomenology · Physics 2017-07-03 Jai More , Asmita Mukherjee , Sreeraj Nair

We present a detailed investigation of the skewness dependence of quark Wigner distributions within the light-front dressed quark model. While previous studies have largely focused on the forward limit, we explore the impact of nonzero…

High Energy Physics - Phenomenology · Physics 2025-07-25 Sujit Jana , Vikash Kumar Ojha

We investigate the quark Wigner distributions of the pion to reveal the multidimensional picture of pion. We have used the spin improved wave functions of pion deduced from the light-front holographic model of mesons. By using the…

High Energy Physics - Phenomenology · Physics 2020-07-15 Navdeep Kaur , Harleen Dahiya

We investigate the leading twist quark generalized transverse momentum distributions (GTMDs) at nonzero skewness in a light-front quark-diquark model for the nucleon motivated by soft-wall AdS/QCD. The boost-invariant longitudinal…

High Energy Physics - Phenomenology · Physics 2022-05-04 Tanmay Maji , Chandan Mondal , Daekyoung Kang

We present a calculation of Wigner distributions for gluons in light-front dressed quark model. We calculate the kinetic and canonical gluon orbital angular momentum and spin-orbit correlation of the gluons in this model.

High Energy Physics - Phenomenology · Physics 2015-06-23 Asmita Mukherjee , Sreeraj Nair , Vikash Kumar Ojha

The boost-invariant longitudinal space, defined by the parameter $\sigma=\frac{1}{2}b^-P^+$ can be studied from the Fourier transformation of distributions over the conjugate variable skewness $\xi$. We investigate quark Wigner…

High Energy Physics - Phenomenology · Physics 2023-05-10 Vikash Kumar Ojha , Sujit Jana , Tanmay Maji

We report on some recent advances in calculating the Wigner distributions for quarks and gluons, using overlaps of light-front wave functions.

High Energy Physics - Phenomenology · Physics 2017-11-15 Asmita Mukherjee

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

We investigate the Wigner distributions for $u$ and $d$ quarks in a light-front quark-diquark model of a proton to unravel the spatial and spin structure. The light-front wave functions are modeled from the soft-wall AdS/QCD prediction. We…

High Energy Physics - Phenomenology · Physics 2017-05-09 D. Chakrabarti , T. Maji , C. Mondal , A. Mukherjee

We present a calculation of the leading-twist (twist-2) generalized transverse momentum distributions (GTMDs) for unpolarized and longitudinally polarized gluons in the proton, using a recently developed light-front gluon spectator model…

High Energy Physics - Phenomenology · Physics 2025-12-23 Dipankar Chakrabarti , Bheemsehan Gurjar , Asmita Mukherjee , Kauship Saha

We investigate the Wigner distributions of $\bar{u}$ and $\bar{d}$ quarks in a proton using the overlap representation within the light cone formalism. Using the light cone wave functions which are obtained from the baryon-meson fluctuation…

High Energy Physics - Phenomenology · Physics 2024-01-30 Xiaoyan Luan , Zhun Lu

We calculate the Wigner functions for a quark target dressed with a gluon. These give a combined position and momentum space information of the quark distributions and are related to both generalized parton distributions (GPDs) and…

High Energy Physics - Phenomenology · Physics 2015-06-19 Asmita Mukherjee , Sreeraj Nair , Vikash Kumar Ojha

We study the quark Wigner distributions of the pion meson which are the phase-space distributions containing the most general one-parton information.Using the pion wavefunctions deduced from a light-cone quark model, we calculate the Wigner…

High Energy Physics - Phenomenology · Physics 2018-10-03 Zhi-Lei Ma , Zhun Lu
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