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| Título: | Thermal leptogenesis in extended supersymmetric seesaw model |
Autor: | Hirsch, Martin CSIC ORCID; Valle, José W. F. CSIC ORCID; Malinsky, Michal; Romao, J. C.; Sarkar, U. | Palabras clave: | Neutrinos Baryogenesis [PACS] Unified theories and models of strong and electroweak interactions [PACS] Supersymmetric unified models [PACS] Non-standard-model neutrinos, right-handed neutrinos, etc. [PACS] Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.) |
Fecha de publicación: | 29-ene-2007 | Editor: | American Physical Society | Citación: | Physical Review D 75(1): 011701 (2007) | Resumen: | We consider an extended supersymmetric SO(10) seesaw model with only doublet Higgs scalars, in which neutrino masses are suppressed by the scale of D-parity violation. Leptogenesis can occur at the TeV scale through the decay of a singlet Sigma, thereby avoiding the gravitino crisis. Washout of the asymmetry can be effectively suppressed by the absence of direct couplings of Sigma to leptons. | Descripción: | 4 pages, 3 figures.-- PACS nr.: 12.10.Dm; 12.60.Jv; 14.60.St; 98.80.Cq.-- ISI Article Identifier: 000243896200006.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0608006 | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.75.011701 | URI: | http://hdl.handle.net/10261/9195 | DOI: | 10.1103/PhysRevD.75.011701 | ISSN: | 1550-7998 |
| Aparece en las colecciones: | (IFIC) Artículos |
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| Hirsch_et_al_PRD75_011701_2007.pdf | 267,89 kB | Adobe PDF |  Visualizar/Abrir |
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