Axion like particles and the inverse seesaw mechanism
作者： C. D. R. Carvajal , A. G. Dias , C. C. Nishi , B. L. Sánchez-Vega
关键词: Seesaw mechanism 、 Vacuum expectation value 、 Physics 、 Discrete symmetry 、 Mass generation 、 Seesaw molecular geometry 、 Particle physics 、 Axion 、 Anomaly (physics) 、 Lepton number
摘要: Light pseudoscalars known as axion like particles (ALPs) may be behind physical phenomena the Universe transparency to ultra-energetic photons, soft γ-ray excess from Coma cluster, and 3.5 keV line. We explore connection of these with inverse seesaw (ISS) mechanism for neutrino mass generation. propose a very restrictive setting where scalar field hosting ALP is also responsible generating ISS scales through its vacuum expectation value on gravity induced nonrenormalizable operators. A discrete gauge symmetry protects theory appearance overly strong gravitational effects anomaly cancellation imposes constraints order group. The anomalous U(1) leading an extended lepton number protective can always chosen subgroup combination baryon number.
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