Isobaric Multiplet Mass Equation for $A\le 71$ Revisited

Abstract

Accurate mass determination of short-lived nuclides by Penning-trap spectrometers and progress in the spectroscopy of proton-rich nuclei have triggered renewed interest in the isobaric multiplet mass equation (IMME). The energy levels of the members of $T=1/2,1,3/2,$ and 2 multiplets and the coefficients of the IMME are tabulated for $A\le 71$. The new compilation is based on the most recent mass evaluation (AME2011) and it includes the experimental results on energies of the states evaluated up to end of 2011. Taking into account the error bars, a significant deviation from the quadratic form of the IMME for the $A=9,35$ quartets and the $A=32$ quintet is observed.

arXiv commentaccepted by Atomic Data and Nuclear Data Tables on 29 Nov 2012, available online on 17 July 2013

References in corpus (3)

• Isospin Non-Conservation in $sd$-Shell Nuclei
• Elucidation of the anomalous A = 9 isospin quartet behaviour
• Effects of isospin mixing in the A=32 quintet

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