Автор |
Evgeny Kh. Akhmedov |
Автор |
Werner Rodejohann |
Дата выпуска |
2008-06-01 |
dc.description |
In the type I + II seesaw formula the mass matrix of light neutrinos m<sub>ν</sub> receives contributions from the exchanges of both heavy Majorana neutrinos and SU(2)<sub>L</sub>-triplet Higgs bosons. We propose a new parameterization for the Dirac-type Yukawa coupling matrix of neutrinos in this case, which generalizes the well known Casas-Ibarra parameterization to type I + II seesaw and is useful when the triplet term in m<sub>ν</sub> is known. Neutrino masses and mixing, lepton flavor violation in decays like μ eγ within mSUGRA models and leptogenesis can then be studied within this framework. We illustrate the usefulness of our new parameterization using a number of simple examples. |
Формат |
application.pdf |
Издатель |
Institute of Physics Publishing |
Название |
A Yukawa coupling parameterization for type I+II seesaw formula and applications to lepton flavor violation and leptogenesis |
Тип |
paper |
DOI |
10.1088/1126-6708/2008/06/106 |
Electronic ISSN |
1029- 8479 |
Print ISSN |
1126-6708 |
Журнал |
Journal of High Energy Physics |
Том |
2008 |
Первая страница |
106 |
Последняя страница |
106 |
Выпуск |
06 |