Contact interaction treatment of the nucleon Faddeev equation

Fuente: arXiv
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Bibliographic Details
Main Authors: Bai, Xin-Yu, Lu, Ya, Yao, Zhao-Qian, Roberts, Craig D., Schmidt, Sebastian M.
Format: Preprint
Published: 2026
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author Bai, Xin-Yu
Lu, Ya
Yao, Zhao-Qian
Roberts, Craig D.
Schmidt, Sebastian M.
author_facet Bai, Xin-Yu
Lu, Ya
Yao, Zhao-Qian
Roberts, Craig D.
Schmidt, Sebastian M.
contents Working with a symmetry-preserving treatment of a vector $\otimes$ vector contact interaction (SCI), a largely algebraic three-body Faddeev equation treatment of the nucleon bound state problem is introduced and used to deliver results for all nucleon charge and magnetisation distributions and their flavour separation. A strength of the SCI treatment is that it provides for a transparent understanding of this three-body approach to developing predictions for baryon observables. Comparisons of SCI results with predictions obtained in realistic-interaction Faddeev equation studies reveal the sensitivities of given observable to phenomena associated with the emergence of hadron mass.
format Preprint
id arxiv_https___arxiv_org_abs_2602_02880
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Contact interaction treatment of the nucleon Faddeev equation
Bai, Xin-Yu
Lu, Ya
Yao, Zhao-Qian
Roberts, Craig D.
Schmidt, Sebastian M.
High Energy Physics - Phenomenology
High Energy Physics - Lattice
Nuclear Experiment
Nuclear Theory
Working with a symmetry-preserving treatment of a vector $\otimes$ vector contact interaction (SCI), a largely algebraic three-body Faddeev equation treatment of the nucleon bound state problem is introduced and used to deliver results for all nucleon charge and magnetisation distributions and their flavour separation. A strength of the SCI treatment is that it provides for a transparent understanding of this three-body approach to developing predictions for baryon observables. Comparisons of SCI results with predictions obtained in realistic-interaction Faddeev equation studies reveal the sensitivities of given observable to phenomena associated with the emergence of hadron mass.
title Contact interaction treatment of the nucleon Faddeev equation
topic High Energy Physics - Phenomenology
High Energy Physics - Lattice
Nuclear Experiment
Nuclear Theory
url https://arxiv.org/abs/2602.02880