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Medium modification of the nucleon axial form factor

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arxiv nucl-th/0112001 v1 pith:QUBUKSG4 submitted 2001-12-03 nucl-th

classification nucl-th
keywords axialnucleonfactorformcouplingmattermodificationnuclear
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We study the modification of the nucleon axial form factor in nuclear matter. The internal quark substructure of the nucleon is self-consistently described by the quark meson coupling model. We find that the axial form factor of the bound nucleon is quenched considerably from that of the free nucleon. The axial vector coupling constant is reduced by roughly 10% at normal nuclear matter density and the axial form factor varies within 8% for moderate momentum transfer.

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Cited by 2 Pith papers

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

  1. Magnetic Moment of Octet Baryons in Isospin Asymmetric Magnetized Strange Matter

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Combined CQMF and χCQM models show that Dirac sea effects cause scalar condensates to increase with magnetic field strength, leading to monotonic growth in effective masses of octet baryons in magnetized strange matter.

  2. Electroweak form factors of baryons in dense nuclear matter

    nucl-th 2025-04 conditional novelty 4.0 of 10

    Using a covariant quark model combined with the quark-meson coupling model, the authors review and extend calculations showing octet baryon electromagnetic and axial form factors are modified, generally suppressed, in...

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