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Related papers: Basis light-front quantization approach to nucleon

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We extend earlier work on fully symmetric polynomials for three-boson wave functions to arbitrarily many bosons and apply these to a light-front analysis of the low-mass eigenstates of $\phi^4$ theory in 1+1 dimensions. The basis-function…

High Energy Physics - Phenomenology · Physics 2016-05-25 S. S. Chabysheva

We present the first application of the Basis Light-Front Quantization method to a simple chiral model of the nucleon-pion system as a relativistic bound state for the physical proton. The light-front mass-squared matrix of the nucleon-pion…

Nuclear Theory · Physics 2020-03-18 Weijie Du , Yang Li , Xingbo Zhao , Gerald A. Miller , James P. Vary

We present our recent progress in applying basis light-front quantization approach to investigate the structure of the light mesons and the nucleon.

High Energy Physics - Phenomenology · Physics 2022-08-18 Chandan Mondal , Jiangshan Lan , Kaiyu Fu , Siqi Xu , Zhi Hu , Xingbo Zhao , James P. Vary

Light-Front Hamiltonian theory, derived from the quantization of the QCD Lagrangian at fixed light-front time \tau = t+z/c, provides a rigorous frame-independent framework for solving nonperturbative QCD. The eigenvalues of the light-front…

High Energy Physics - Theory · Physics 2015-06-17 Stanley J. Brodsky , Guy F. de Téramond , Hans Günter Dosch

The light-cone wave function of the nucleon is calculated in the limit N_c -> infinity in the quark-soliton model inspired by the theory of the instanton vacuum of QCD. The technique of the finite time evolution operator is used in order to…

High Energy Physics - Phenomenology · Physics 2016-09-06 V. Yu. Petrov , M. V. Polyakov

Precise knowledge of the nucleon's axial-current form factors is crucial for modeling GeV-scale neutrino-nucleus interactions. Unfortunately, the axial form factor remains insufficiently constrained to meet the precision requirements of…

Nuclear Theory · Physics 2020-11-04 Xilin Zhang , T. J. Hobbs , Gerald A. Miller

We investigate the internal structure of the pion, including the contributions from one dynamical gluon, using the basis light-front quantization (BLFQ) approach. By solving a light-front QCD Hamiltonian with a three-dimensional confining…

High Energy Physics - Phenomenology · Physics 2025-09-29 Jiangshan Lan , Kaiyu Fu , Satvir Kaur , Zhimin Zhu , Chandan Mondal , Xingbo Zhao , James P. Vary

An introductory overview on Light-Front quantization, with some emphasis on recent achievements, is given. Light-Front quantization is the most promising and physical tool to study deep inelastic scattering on the basis of quark gluon…

High Energy Physics - Phenomenology · Physics 2014-11-17 Matthias Burkardt

The eigenvalues of the light-front QCD Hamiltonian, quantized at fixed light-front time \tau = t+z/c, predict the hadronic mass spectrum and the corresponding eigensolutions provide the light-front wavefunctions which describe hadron…

High Energy Physics - Phenomenology · Physics 2012-12-03 Stanley J. Brodsky , Guy F. de Teramond

We construct spin-improved holographic light front wavefunctions for the nucleons (viewed as quark-diquark systems) and use them to successfully predict their electromagnetic Sachs form factors, their electromagnetic charge radii, as well…

High Energy Physics - Phenomenology · Physics 2021-10-07 Mohammad Ahmady , Dipankar Chakrabarti , Chandan Mondal , Ruben Sandapen

We propose a phenomenological light-front wave function for hadrons with arbitrary twist-dimension (mesons, baryons and multiquark states), which gives the correct scaling behavior of structure functions (parton distributions) and form…

High Energy Physics - Phenomenology · Physics 2014-04-02 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt , Alfredo Vega

This is the third paper on hadronic light front wave functions (LFWFs). We derive a light front Hamiltonian from first principles using the key features of the QCD vacuum at low resolution. In the first approximation, it gives transverse…

High Energy Physics - Phenomenology · Physics 2022-08-11 Edward Shuryak , Ismail Zahed

We present a quantum algorithm for simulation of quantum field theory in the light-front formulation and demonstrate how existing quantum devices can be used to study the structure of bound states in relativistic nuclear physics.…

Using global fits of valence u and d quark parton distributions and data on quark and nucleon form factors in the Euclidean region, we derive a light-front quark model for the nucleon structure consistent with quark counting rules.

High Energy Physics - Phenomenology · Physics 2015-03-26 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt , Alfredo Vega

We develop a polynomial basis to be used in numerical calculations of light-front Fock-space wave functions. Such wave functions typically depend on longitudinal momentum fractions that sum to unity. For three particles, this constraint…

Computational Physics · Physics 2015-06-16 Sophia S. Chabysheva , Blair Elliott , John R. Hiller

We propose a new method for the nonperturbative solution of quantum field theories and illustrate its use in the context of a light-front analog to the Greenberg--Schweber model. The method is based on light-front quantization and uses the…

High Energy Physics - Phenomenology · Physics 2015-05-27 S. S. Chabysheva , J. R. Hiller

The light-cone Fock-state representation of QCD encodes the properties of a hadrons in terms of frame-independent wavefunctions. A new type of jet production reaction, "self-resolving diffractive interactions" can provide direct information…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stanley J. Brodsky

A new method for the nonperturbative solution of quantum field theories is described. The method adapts the exponential-operator technique of the standard many-body coupled-cluster method to the Fock-space eigenvalue problem for light-front…

High Energy Physics - Phenomenology · Physics 2015-05-30 J. R. Hiller , S. S. Chabysheva

We investigate the structure of charmonium, bottomonium, and $\rm B_c$ meson systems within the Basis Light-Front Quantization (BLFQ) approach, including both the quark-antiquark ($|q\bar{q}\rangle$) and quark-antiquark-gluon…

High Energy Physics - Phenomenology · Physics 2026-03-10 Jiatong Wu , Hengfei Zhao , Kaiyu Fu , Zhi Hu , Xingbo Zhao , James P. Vary

We apply a dynamical three-constituent quark light-front model to study the proton. The dynamics is based on the notion of a diquark (bound or virtual) as the dominant interaction channel, which paramaterizes a contact interaction between…

High Energy Physics - Phenomenology · Physics 2021-12-17 Emanuel Ydrefors , Tobias Frederico