Nucleon to Delta Weak Excitation Amplitudes in the Non-relativistic Quark Model
Jùn Líu, Nimai C. Mukhopadhyay, Lisheng Zhang
Abstract
We investigate the nucleon to Delta(1232) vector and axial vector amplitudes in the non-relativistic quark model of the Isgur-Karl variety. A particular interest is to investigate the SU(6) symmetry breaking, due to color hyperfine interaction. We compare the theoretical estimates to recent experimental investigation of the Adler amplitudes by neutrino scattering.
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