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Axial structure of the nucleon

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arxiv hep-ph/0107088 v1 pith:5EBJZIHQ submitted 2001-07-09 hep-ph hep-exnucl-exnucl-th

classification hep-phhep-exnucl-exnucl-th
keywords axialnucleonstructureanticapturechargedconsideredcurrent
verification ladder T0 review T1 audit T2 compute T3 formal
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We review the current status of experimental and theoretical understanding of the axial nucleon structure at low and moderate energies. Topics considered include (quasi)elastic (anti)neutrino-nucleon scattering, charged pion electroproduction off nucleons and ordinary as well as radiative muon capture on the proton.

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Cited by 7 Pith papers

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

  1. Polarized Nucleon as a Topological Dipole

    hep-ph 2026-07 accept novelty 7.0 of 10

    A polarized nucleon generically hosts a topological charge dipole q_top ∝ S · r̂ whose moment equals −ΔΣ/N_f in the chiral limit.

  2. Radiative corrections in neutral-current (anti)neutrino elastic scattering at $\text{GeV}$ energies I: Nucleon targets

    hep-ph 2026-07 conditional novelty 6.0 of 10

    Radiative corrections to neutral-current (anti)neutrino-nucleon elastic scattering are computed within low-energy EFT and reach a few percent, comparable to the strange-quark effects they must be disentangled from.

  3. Extraction of the nucleon axial form factor from Lattice QCD using NNLO chiral perturbation theory

    hep-ph 2026-06 unverdicted novelty 6.0 of 10

    NNLO ChPT with explicit Delta fits lattice data to extract g_A = 1.257 ± 0.011 and axial radius squared 0.312 ± 0.037 fm² at the physical point.

  4. The Nucleon Axial Form Factor from Elementary Target Data

    hep-ex 2025-12 conditional novelty 6.0 of 10

    The nucleon axial form factor from hydrogen and lattice-QCD data falls more slowly with Q² than deuterium-based fits, indicating deuterium extractions are biased low.

  5. Relativistic energy-momentum tensor distributions in a polarized nucleon

    hep-ph 2025-03 unverdicted novelty 6.0 of 10

    Relativistic EMT distributions in polarized nucleons recover good and bad light-front components in the IMF after including polarization effects.

  6. Mechanical properties of the nucleon from the generalized parton distributions

    hep-ph 2025-01 conditional novelty 5.0 of 10

    Using a double-distribution GPD model constrained by elastic-scattering data, the paper fits DQ(0) = -3.37 ± 0.17 from Compton form factors and derives proton pressure, shear, and radii.

  7. Nucleon relativistic weak-neutral axial-vector four-current distributions

    hep-ph 2024-11 conditional novelty 5.0 of 10

    The 3D axial charge density of a spin-1/2 hadron is parity-odd and controlled by the induced pseudotensor form factor G_T^Z, while the second-class current drops out of the mean-square axial and spin radii.

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