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https://hdl.handle.net/10495/13355| Título : | Is U(1) H a good family symmetry? |
| Autor : | Ponce Gutiérrez, William Antonio Zepeda, Arnulfo Mira Martínez, Jesús María |
| metadata.dc.subject.*: | Teoría de los grupos Groups, Theory of Supersimetría Supersimmetry Fermión Teoría del campo de calibre |
| Fecha de publicación : | 1996 |
| Editorial : | Springer link |
| Citación : | Ponce-Gutiérrez, W. A., Zepeda, A. & Mira-Martínez, J. M. (1995). Is U(1) H a good family symmetry?. Zeitschrift für Physik C Particles and Fields, 69, 683–686. doi:10.1007/BF02907452 |
| Resumen : | ABSTRACT: We analyze U(1)H as a horizontal symmetry and its possibilities to explain the known elementary-fermion masses. We find that only two candidates, in the context of SU(3)c ⊗ SU(2)L ⊗ U(1)Y ⊗ U(1)H nonsuper-symmetric, are able to fit the experimental result mb«mt. identity, but it is a common prejudice to assume that the appropriate family symmetry may explain this fact as a consequence of (i) and (ii). In what follows we will enlarge the SM gauge group with an extra U(1)H horizontal local gauge symmetry (the simplest multi-family continuous symmetry we can think of). We then show that the structure SU(3)c ⊗ SU(2)L ⊗ U(1)Y ⊗ U(1)H by itself is able to explain (ii), and that the simplest supersymmetric (SUSY) extension of this model without a μ-term can not cope with (ii). RESUMEN: las dos últimas páginas se encuentran en Springer y corresponden a las referencias. |
| ISSN : | 0143-6404 |
| Aparece en las colecciones: | Artículos de Revista en Ciencias Exactas y Naturales |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| PonceWilliam_1995_Agoodfamilysymmetry.pdf | Artículo de revista | 59.04 kB | Adobe PDF | Visualizar/Abrir |
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