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Related papers: Basis light-front quantization approach to nucleon

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A relativistic light front formulation of nuclear dynamics is applied to infinite nuclear matter. A hadronic meson-baryon Lagrangian, consistent with chiral symmetry, leads to a nuclear eigenvalue problem which is solved, including…

Nuclear Theory · Physics 2009-10-31 G. A. Miller , R. Machleidt

This work is a continuation in our series of papers, that addresses quark models of hadronic structure on the light front. The chief focus of this paper is the quantum-mechanical solution of the three-quark model Hamiltonian, describing…

High Energy Physics - Phenomenology · Physics 2023-03-08 Edward Shuryak , Ismail Zahed

We study the nucleon electromagnetic (EM) form factors in symmetric nuclear matter as well as in vacuum within a light-front approach using the in-medium inputs calculated by the quark-meson coupling model. The same in-medium quark…

High Energy Physics - Phenomenology · Physics 2018-03-14 W. R. B. de Aráujo , J. P. B. C. de Melo , K. Tsushima

We describe a procedure to extend the light-front holographic approach to hadronic physics to include light-quark masses. The proposed framework allows us to extend the formalism of de Alfaro, Fubini and Furlan to the frame-independent…

High Energy Physics - Phenomenology · Physics 2014-05-13 Guy F. de Teramond , Stanley J. Brodsky , Hans Gunter Dosch

We obtain the mass spectra of strange mesons using a light-front quantized Hamiltonian with Quantum Chromodynamics (QCD) input, incorporating quark-antiquark and quark-antiquark-gluon Fock components, along with a three-dimensional…

High Energy Physics - Phenomenology · Physics 2025-01-08 Jiangshan Lan , Jialin Chen , Zhimin Zhu , Chandan Mondal , Xingbo Zhao , James P. Vary

We calculate the electroweak properties of nucleons and hyperons in a relativistic constituent quark model using the light-front formalism. The parameters of the model, namely the constituent quark mass and the confinement scale, can be…

High Energy Physics - Phenomenology · Physics 2014-11-17 Felix Schlumpf

We apply the basis light-front quantization framework to solve for the structures of mesons with light and strange valence quarks. Our approach treats mesons as relativistic bound states with quarks confined in both the transverse direction…

Nuclear Theory · Physics 2019-11-27 Shaoyang Jia , James P. Vary

We study charmonium and bottomonium as relativistic bound states in a light-front quantized Hamiltonian formalism. The effective Hamiltonian is based on light-front holography. We use a recently proposed longitudinal confinement to complete…

High Energy Physics - Phenomenology · Physics 2022-05-11 Yang Li , Pieter Maris , James P. Vary

Using the point-form approach to relativistic quantum mechanics, a covariant framework is presented for the calculation of proton and neutron electromagnetic form factors. Results for charge radii, magnetic moments, and electric as well as…

Nuclear Theory · Physics 2016-11-23 M. Radici

Hamiltonian light-front quantum field theory constitutes a framework for the non-perturbative solution of invariant masses and correlated parton amplitudes of self-bound systems. By choosing light-front gauge and adopting a basis function…

Nuclear Theory · Physics 2009-09-29 J. P. Vary , H. Honkanen , Jun Li , P. Maris , S. J. Brodsky , P. Sternberg , E. G. Ng , C. Yang

We calculate all leading-twist gluon generalized parton distributions (GPDs) inside the proton at nonzero skewness using the basis light-front quantization framework. The proton's light-front wave functions are derived from a light-front…

High Energy Physics - Phenomenology · Physics 2025-01-20 Pengxiang Zhang , Yiping Liu , Siqi Xu , Chandan Mondal , Xingbo Zhao , James P. Vary

We present a relativistic three-body equation to investigate the properties of nucleons in hot and dense nuclear/quark matter. Within the light front approach we utilize a zero-range interaction to study the three-body dynamics. The…

Nuclear Theory · Physics 2014-11-18 S. Mattiello , M. Beyer

The parameter-free predictions for the $N - P_{11}(1440)$ and $N - P_{33}(1232)$ electromagnetic transition form factors, obtained within our light-front constituent quark model using eigenfunctions of a baryon mass operator which includes…

Nuclear Theory · Physics 2009-10-30 F. Cardarelli , E. Pace , G. Salmé , S. Simula

The electromagnetic form factors and low-energy observables of deuteron are studied with the help of the light-front approach, where the deuteron is regarded as a weekly bound state of a proton and a neutron. Both the $S-$ and $D-$wave…

High Energy Physics - Phenomenology · Physics 2017-08-15 Bao-dong Sun , Yu-bing Dong

A general QCD light front formalism to compute many-body color charge correlation functions due to quarks in the proton was constructed~\cite{Dumitru:2018vpr}. These enable new studies of color charge distributions in the nucleon. The…

Nuclear Theory · Physics 2019-10-09 Gerald A. Miller

Light-front coordinates offer a scenario in which a constituent approximation of hadron structure can emerge from QCD. This requires cutoffs that violate Lorentz covariance and gauge invariance, and a new renormalization group formalism…

High Energy Physics - Theory · Physics 2007-05-23 Robert J. Perry

The new light-front coupled-cluster (LFCC) method for the nonperturbative solution of Hamiltonian eigenvalue problems is described and then illustrated in an application to quantum electrodynamics. The method eliminates any necessity for a…

High Energy Physics - Phenomenology · Physics 2012-03-02 S. S. Chabysheva , J. R. Hiller

We present the first application of the recently developed Basis Light-Front Quantization (BLFQ) method to self-bound systems in quantum field theory, using the positronium system as a test case. Within the BLFQ framework, we develop a…

Nuclear Theory · Physics 2015-06-26 Paul Wiecki , Yang Li , Xingbo Zhao , Pieter Maris , James P. Vary

In the present work we study the effect of the scalar spin coupling of constituent quarks on the nucleon electroweak properties by introducing a valence light-front wave function with two momentum scales. By comparing the results obtained…

High Energy Physics - Phenomenology · Physics 2022-01-26 W. R. B. de Araújo , E. F. Suisso , J. P. B. C. de Melo , T. Frederico , Kazuo Tsushima

Extending the concepts of light-front field theory to quantum statistics provides a novel approach towards nuclear matter under extreme conditions. Such conditions exist, e.g., in neutron stars or in the early stage of our universe. They…

Nuclear Theory · Physics 2009-11-10 Michael Beyer