| Revue: | Brazilian journal of physics |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000389434 |
| ISSN: | 0103-9733 |
| Autores: | Banerjee, D1 Dharai, C1 Sahoo, S1 |
| Instituciones: | 1National Institute of Technology, Department of Physics, Durgapur, West Bengal. India |
| Año: | 2015 |
| Periodo: | Oct |
| Volumen: | 45 |
| Número: | 5 |
| Paginación: | 545-549 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental, aplicado |
| Resumen en inglés | The precise prediction of the branching ratios of the very rare decays Bs 0 → e + e − and Bd 0 →e + e − is an important ingredient for high energy research beyond standard model (SM). Recently, the CDF collaboration has reported upper limits for the branching ratios B(Bs 0 →e + e − )<2.8×10−7 and B(Bd 0 →e + e − ) < 8.3× 10−8 at 90 % confidence level. These branching ratios are approximately seven orders of magnitude larger than the SM predictions, providing in this way a direction in which the SM could be extended. In this paper, the Bs 0 → e + e − and Bd 0 →e + e − rare decays in flavor-changing Z′ model are studied. Our estimated branching ratios are enhanced from their SM values and provide signals for new physics |
| Disciplinas: | Física y astronomía |
| Palabras clave: | Física de partículas y campos cuánticos, Mesones, Corrientes neutras, Bosones, Decaimiento beta |
| Keyword: | Physics and astronomy, Particle physics and quantum fields, Mesons, Neutral currents, Bosons, Beta decay |
| Texte intégral: | Texto completo (Ver PDF) |
