NUCLEAR PHYSICS

Nuclear Structure and Magnetic Moment of the Unstable 12B–12N Mirror Pair

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2010 Chinese Physical Society and IOP Publishing Ltd
, , Citation Zheng Yong-Nan et al 2010 Chinese Phys. Lett. 27 022102 DOI 10.1088/0256-307X/27/2/022102

0256-307X/27/2/022102

Abstract

Magnetic moments of the A = 12 unstable mirror pair nuclides 12B and 12N have been measured by the β- NMR, technique. The experimentally measured magnetic moments are μ(12B) = 1.001(17)μN and μ(12N) = 0.4571(1)μN The improved shell model using an SFO Hamiltonian with enhanced spin-isospin monopole proton-neutron interaction and modified single-particle energies is employed to calculate the magnetic moments of 12B and 12N. The calculation yields μ(12B) = 0.929μN and μ(12N) = 0.452μN and has produced a new magic number 6 for the short-lived unstable mirror pair nuclides 12B and 12N.

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