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Matter induced neutrino decay and solar antineutrinos |
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| Authors: | Zurab G Berezhiam Mauro Moretti Anna Rossi |
| Institution: | 1. Sektion Physik der Universitat Muenchen, W-8000, München 2, Germany 2. Institute of Physics, Georgian Academy of Sciences, 380077, Tbilisi, Georgia 3. Scuola Internazionale di Studi Avanzati, and Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34014, Trieste, Italy 4. Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara, I-44100, Ferrara, Italy 5. Dipartimento di Fisica, Universitá di Ferrara, I-44100, Ferrara, Italy |
| Abstract: | The properties of matter-induced neutrino decay with majoron emission are analysed in some details for the cases of Majorana, ZKM and Dirac neutrinos. The result of such a decay of solarv e 's in the sun interior could be the appearance of \(\bar \nu _e \) flux. Assuming that the neutrinos have only standard weak interactions, the solar \(\bar \nu _e \) flux can be at the border of detectability for the future large volume detectors like Borex or Super-Kamiokande. However, the \(\bar \nu _e \) signal can be considerably larger, provided the neutrinos have new non-standard interactions with matter. |
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