Nucleon-to-{delta} axial transition form factors in relativistic baryon chiral perturbation theory

Journal Article · Tue Jul 01 00:00:00 EDT 2008 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.78.014011· OSTI ID:21250217

Geng, L S; Camalich, J Martin; Alvarez-Ruso, L; Vacas, M J. Vicente ^[1]

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1. Departamento de Fisica Teorica and IFIC, Centro Mixto, Institutos de Investigacion de Paterna-Universidad de Valencia-CSIC, 46071 Valencia (Spain)

We report a theoretical study of the axial nucleon-to-delta (1232) (N{yields}{delta}) transition form factors up to one-loop order in relativistic baryon chiral perturbation theory. We adopt a formalism in which the {delta} couplings obey the spin-3/2 gauge symmetry and, therefore, decouple the unphysical spin-1/2 fields. We compare the results with phenomenological form factors obtained from neutrino bubble-chamber data and in quark models.

• OSTI ID: 21250217
• Journal Information: Physical Review. D, Particles Fields, Vol. 78, Issue 1; Other Information: DOI: 10.1103/PhysRevD.78.014011; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BUBBLE CHAMBERS
CHIRALITY
COMPARATIVE EVALUATIONS
COUPLING
DELTA-1232 BARYONS
FORM FACTORS
GAUGE INVARIANCE
NEUTRINO DETECTION
NEUTRINOS
NUCLEONS
PERTURBATION THEORY
QUARK MODEL
RELATIVISTIC RANGE
SPIN