The $N-\Delta$ Weak Axial-Vector Amplitude $C_5^a(0)$

Abstract

The weak $N-\Delta$ axial-vector transition amplitude $<\Delta |A_{{\pi }^{+}}^{\mu }|N>$ - important in $N^{\ast }$ production processes in general and in isobar models describing ${\nu }_{\mu }N\to \mu \Delta$ processes in particular - is examined using a broken symmetry algebraic approach to QCD which involves the realization of chiral current algebras. We calculate a value for the form factor $C_5^A(0)$ in good agreement with experiment.

9 pages, RevTex 3.1

References in corpus (2)

• $\nu d\to {\mu }^{-}{\Delta }^{++}n$ Reaction and Axial Vector $N-\Delta$ Coupling
• Charged current weak electroproduction of Delta resonance

Cited by in corpus (4)

• Watson's theorem and the $N\Delta (1232)$ axial transition
• Neutrino Induced Coherent Pion Production off Nuclei and PCAC
• Axial $N\to \Delta (1232)$ and $N\to N^{\star }(1440)$ transition form factors
• Axial amplitudes for Delta excitation in chiral quark models