Alternative Minimal U(1) B − L
| 開始日時 | 2021/02/16 11:00 |
|---|---|
| 終了日時 | 2021/02/16 12:00 |
| 講演者 | Mr. Shih-Yen Tseng ( 東京大学 ) |
| 会場 | Online (Zoom) |
| 連絡先 | 松戸 竜太郎 / matsudo-AT-post.kek.jp |
| 言語 | English |
| ウェブサイト |
概要
We propose a minimal alternative gauged U(1)B−LB−L model in which three right-handed neutrinos with charges of (5,-4,-4) and only one B-L Higgs field with charge 1 are introduced. Consistent active neutrino masses and mixings can be obtained if a Z2Z2 symmetry on two of the right-handed neutrinos is introduced. It predicts two heavy degenerate right-handed neutrinos, which may realize the resonant leptogenesis scenario, and one relatively light sterile neutrino, which is a good dark matter candidate.
