Why are the isoscalar neutral current axial-vector couplings and isoscalar nucleon anomalous moments small? Article

Oneda, S, Tanuma, T, Slaughter, MD. (1979). Why are the isoscalar neutral current axial-vector couplings and isoscalar nucleon anomalous moments small? . PHYSICS LETTERS B, 88(3-4), 343-348. 10.1016/0370-2693(79)90483-0

cited authors

  • Oneda, S; Tanuma, T; Slaughter, MD

authors

abstract

  • By using an argument based on the realization of chiral current algebras, we explain why the isoscalar neutral current axial-vector coupling and the isoscalar nucleon anomalous moments are small. We give an argument which predicts, (GAN(0))p/(GAN(0))n = (HAN(0))p/(HAN(0))n = kp/kn ≈ 1.79/-1.91, where kp and kn are the anomalous moments of the proton and neutron, respectively. (GAN(0))p and (HAN(0))p are the weak neutral current axial-vector coupling and the induced pseudoscalar coupling for the proton, respectively. © 1979.

publication date

  • December 17, 1979

published in

Digital Object Identifier (DOI)

start page

  • 343

end page

  • 348

volume

  • 88

issue

  • 3-4