Radiative Neutron β-Decay in Effective Field Theory

We consider radiative β-decay of the neutron in heavy baryon chiral perturbation theory. Nucleon-structure effects not encoded in the weak coupling constants g(A) and g(V) are determined at next-to-leading order in the chiral expansion, and enter at the [Formula: see text]-level, making a sensitive...

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Detalles Bibliográficos
Autores principales: Gardner, Susan, Bernard, Véronique, Meißner, Ulf-G., Zhang, Chi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 2005
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4852830/
https://www.ncbi.nlm.nih.gov/pubmed/27308159
http://dx.doi.org/10.6028/jres.110.062
Descripción
Sumario:We consider radiative β-decay of the neutron in heavy baryon chiral perturbation theory. Nucleon-structure effects not encoded in the weak coupling constants g(A) and g(V) are determined at next-to-leading order in the chiral expansion, and enter at the [Formula: see text]-level, making a sensitive test of the Dirac structure of the weak currents possible.

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