| Texto completo | |
| Autor(es): |
Nishi, C. C.
;
Silva-Marcos, J. I.
Número total de Autores: 2
|
| Tipo de documento: | Artigo Científico |
| Fonte: | PHYSICAL REVIEW D; v. 108, n. 9, p. 16-pg., 2023-11-17. |
| Resumo | |
The seesaw extension of the SM explains the tiny neutrino masses, and it is accompanied by many CP violating phases. We study the case where all leptonic CP violation arises from the soft breaking in the heavy Majorana mass matrix. Parameter counting reveals that one less parameter is needed to describe this case. This reduction leads to restrictions on the parameter space of heavy neutrinos. We analyze the minimal seesaw case in detail and find that mass degeneracy of heavy neutrinos is not possible for certain values of the CP phases. (AU) | |
| Processo FAPESP: | 14/19164-6 - Desafios para o século XXI em física e astrofísica de neutrinos |
| Beneficiário: | Orlando Luis Goulart Peres |
| Modalidade de apoio: | Auxílio à Pesquisa - Projetos Especiais |