Axial form factor of the nucleon at large momentum transfers

Abstract

Motivated by the emerging possibilities to study threshold pion electroproduction at large momentum transfers at Jefferson Laboratory following the 12 GeV upgrade, we provide a short theory summary and an estimate of the nucleon axial form factor for large virtualities in the $Q^2=1-10{\text{GeV}}^2$ range using next-to-leading order light-cone sum rules.

arXiv commentA comparison to the new neutrino data analysis and several references added. Final version to appear in Phys.Rev.D

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• Nucleon structure from basis light-front quantization
• Solving the PCAC puzzle for nucleon axial and pseudoscalar form factors
• Gravitational form factors within light-cone sum rules at leading order
• Nucleon's axial-vector form factor in the hard-wall AdS/QCD model
• Nucleon axial form factor at large momentum transfers
• Nucleon axial form factor from generalized parton distributions
• Contact interaction analysis of octet baryon axialvector and pseudoscalar form factors
• Holographic estimate of the meson cloud contribution to nucleon axial form factor
• Exploring Baryon Resonances with Transition Generalized Parton Distributions: Status and Perspectives
• Hadron Structure using Continuum Schwinger Function Methods
• $\Delta$-baryon axialvector and pseudoscalar form factors, and associated PCAC relations
• Axial-vector form factor of nucleons at finite temperature from the AdS/QCD soft-wall model
• $N^{\ast }(1535)\to N$ transition form-factors due to the axial current
• Nucleon Structure from Basis Light-Front Quantization : Status and Prospects
• Light-Cone Sum Rules for Gravitational Form Factors