Anomalous anapole moment of an exotic nucleus

Abstract

Using the information on the nuclear structure of exotic neutron-rich halo nucleus ${}^{11}$Be, we evaluate the parity violating anapole moment in its ground state. The resulting value $\kappa {(}^{11}$Be)$=0.17$ is fifteen times bigger than the typical value of the anapole moment of a normal nucleus of the same mass, and in fact exceeds by few times anapole moments of any known neutron-odd nuclei (e.g., kappa(^{11}Be) > 2|κ(^{207}Pb)|. It is also few times bigger than the neutral current contribution to the lepton-nucleus interaction.

12 pages, 2 figures

References in corpus (4)

• Matrix Elements between Nuclear Compound States and Dynamical Enhancement of the Weak Interaction
• Consistency of parity-violating pion-nucleon couplings extracted from measurements in 18F and 133Cs
• Probing proton halos through pion photoproduction
• Enhancement of parity violating mixing in halo nuclei and the problem of neutron weak parity nonconserving potential constant

Cited by in corpus (1)

• Anapole moment of an exotic nucleus