Search for B-0 -> X(3872)gamma
We report the results of a search for the decay B-0 -> X(3872) (-> J/psi pi(+)pi(-))gamma. The analysis is performed on a data sample corresponding to an integrated luminosity of 711 fb(-1) and containing 772 x 10(6)B (B) over bar pairs, collected with the Belle detector at the KEKB asymmetric...
| Autores: | , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2019 |
| País: | España |
| Institución: | Universidad del País Vasco |
| Repositorio: | Addi. Archivo Digital para la Docencia y la Investigación |
| OAI Identifier: | oai:addi.ehu.eus:10810/41469 |
| Acceso en línea: | http://hdl.handle.net/10810/41469 |
| Access Level: | acceso abierto |
| Palabra clave: | annihilation decays |
| Sumario: | We report the results of a search for the decay B-0 -> X(3872) (-> J/psi pi(+)pi(-))gamma. The analysis is performed on a data sample corresponding to an integrated luminosity of 711 fb(-1) and containing 772 x 10(6)B (B) over bar pairs, collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider running at the Upsilon(4S) resonance energy. We find no evidence for a signal and place an upper limit of B(B-0 -> X(3872)gamma) x B(X(3872) -> J/psi pi(+)pi(-) < 5.1 x 10(-7) at 90% confidence level. |
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