Softly broken hidden symmetry in every renormalizable field theory

被引：0
|
作者：
Ma, Ernest [1 ]
机构：
[1] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA
来源：
NUCLEAR PHYSICS B | 2025年 / 1013卷
关键词：
NEUTRINO; MASSES;
D O I：
10.1016/j.nuclphysb.2025.116847
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
It is pointed out that every renomalizable field theory has a symmetry which is hidden in plain sight. In all practical cases, it is also broken softly, either explicitly or spontaneously. The soft explicit breaking mass terms may be assumed naturally small compared to the scalar mass-squared terms. Implications for extensions of the standard model are discussed. New left-right model of two-loop radiative Dirac neutrino mass is proposed.
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