Basis light-front quantization for a chiral nucleon-pion Lagrangian

Weijie Du, Yang Li, Xingbo Zhao, Gerald A. Miller, James P. Vary

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

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 system is obtained within a truncated basis. The mass and the corresponding light-front wave function (LFWF) of the proton are computed by numerical diagonalization of the resulting mass-squared matrix. With the boost-invariant LFWF, we calculate the probability density distribution of the pion's longitudinal momentum fraction and the Dirac form factor of the proton.

Original languageEnglish (US)
Article number035202
JournalPhysical Review C
Volume101
Issue number3
DOIs
StatePublished - Mar 2020

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