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Chiral Symmetry Breaking and Pion Decay in a Magnetic Field

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arxiv 2406.00818 v1 pith:VII5QCL6 submitted 2024-06-02 hep-ph hep-lat

Prabal Adhikari , Brian C. Tiburzi This is my paper · ORCID
classification hep-phhep-lat
keywords magneticchiralfieldpionbreakingcomputedecayelements
verification ladder T0 review T1 audit T2 compute T3 formal
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The pattern of chiral symmetry breaking is exploited to compute vector and axial-vector pion matrix elements in a uniform magnetic field. Our results are model independent, and thereby constitute low-energy theorems that must be obeyed by QCD in external magnetic fields. Chiral perturbation theory and lattice QCD results are compared, for which there is some tension. As an application, the matrix elements are utilized to compute pion decay rates in a magnetic field.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Magnetic field modifications to the pion-quark vertex in the Linear Sigma Model with quarks

    hep-ph 2026-08 reject novelty 5.0 of 10

    The magnetic field modifies the pion-quark vertex in the Linear Sigma Model; a tree-level modification vanishes after summing Landau levels, and the claimed one-loop LLL identity between Ritus and Schwinger methods fa...

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