摘要
The Wigner isobaric multiplet mass equation(IMME)is the most fundamental prediction in nuclear physics with the concept of isospin.However,it was deduced based on the Wigner-Eckart theorem with the assumption that all charge-violating interactions can be written as tensors of rank two[1].This should be generalized for a general situation.In addition,the Nolen-Schiffer anomaly is a longstanding historical problem[2],which is an anomaly because when all the corrections were taken into account,there remained a consistent underestimate of the Coulomb displacement energy by about a few to ten percent.The Coulomb displacement energy—the difference in binding energy between two members of a multiplet—is directly related to the IMME coefficients.
