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Remarks on the lifetime of sterile neutrinos and the effect on detection of rare meson decays M+ →m′-ℓ+ℓ+
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| DOI | 10.1103/PHYSREVD.89.077301 | ||||
| Año | 2014 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
We review the detection of the Delta L = 2 semileptonic meson decays of the form M+ -> M '(-) e(+) e(+) that we studied in a previous work, mediated by a Majorana neutrino with a mass in the range between the masses of the initial and final mesons. For such a range of masses, the Majorana neutrino will go on its mass shell, and the two charged leptons will appear at displaced vertices or, if the lifetime is long enough, most secondary vertices will fall outside the detector. We study the consequences of this effect on the experimental searches and limits that can be extracted.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | DIB-VENTURELLI, CLAUDIO OMAR | Hombre |
Universidad Técnica Federico Santa María - Chile
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| 2 | Kim, Choong Sun | - |
Yonsei Univ - Corea del Sur
Yonsei University - Corea del Sur |
| Fuente |
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| FONDECYT (Chile) |
| National Research Foundation of Korea (NRF) |
| Korea government of the Ministry of Education, Science and Technology (MEST) |
| Agradecimiento |
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| We thank Youngjoon Kwon, G. Cvetic, and J. Zamora-Safor helpful discussions. C. S. K. was supported by the National Research Foundation of Korea (NRF) grant funded by Korea government of the Ministry of Education, Science and Technology (MEST) (No. 2011-0017430 and No. 2011-0020333). C. D. acknowledges support from FONDECYT (Chile) Grant No. 1130617. |
