Vacuum oscillation solution to the solar neutrino problem in standard and non-standard pictures

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dc.creatorBerezhiani, Z.
dc.creatorRossi, A.
dc.date1994-10-03
dc.date1994-10-16
dc.date.accessioned2026-07-07T11:14:30Z
dc.date.available2026-07-07T11:14:30Z
dc.descriptionThe neutrino long wavelength (just-so) oscillation is revisited as a solution to the solar neutrino problem. We consider just-so scenario in various cases: in the framework of the solar models with relaxed prediction of the boron neutrino flux, as well as in the presence of the non-standard weak range interactions between neutrino and matter constituents. We show that the fit of the experimental data in the just-so scenario is not very good for any reasonable value of the $^8B$ neutrino flux, but it substantially improves if the non-standard $τ$-neutrino--electron interaction is included. These new interactions could also remove the conflict of the just-so picture with the shape of the SN 1987A neutrino spectrum. Special attention is devoted to the potential of the future real-time solar neutrino detectors as are Super-Kamiokande, SNO and BOREXINO, which could provide the model independent tests for the just-so scenario. In particular, these imply specific deformation of the original solar neutrino energy spectra, and time variation of the intermediate energy monochromatic neutrino ($^7Be$ and $pep$) signals.
dc.descriptionLatex, 14 pages, 9 figures (avalilable by fax or postscript files requested to Rossi@fe.infn.it) -- some textual and Latex errors are corrected and few references added
dc.identifierhttps://arxiv.org/abs/hep-ph/9409464
dc.identifierhttp://arxiv.org/abs/hep-ph/9409464
dc.identifierPhys.Rev.D51:5229-5239,1995
dc.identifierdoi:10.1103/PhysRevD.51.5229
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/192089
dc.subjectHigh Energy Physics - Phenomenology
dc.titleVacuum oscillation solution to the solar neutrino problem in standard and non-standard pictures
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