Nuclear anapole moment in relativistic model and its effect in atomic parity violation measurements

Abstract

An expression for nuclear anapole moment is derived within a valence nucleon relativistic mean-field nuclear model. The anapole moment parameter values are calculated for ¹³³Cs, ⁸⁵Rb, and ²⁰⁹Bi nuclei. The result reproduces the observed difference between hyperfine E1 transition amplitudes in ¹³³Cs within the experimental accuracy. The change in the optical polarization rotation angle, induced by the parity violating electron-anapole interaction, in Bi is also calculated.