English
Related papers

Related papers: Low Energy Solar Neutrinos and Spin Flavour Preces…

200 papers

The time dependence that appears to be hinted by the data from the first 13 years of the solar neutrino Gallium experiments is viewed as resulting from a partial conversion of active neutrinos to light sterile ones through the resonant…

High Energy Physics - Phenomenology · Physics 2016-12-07 Joao Pulido , B. C. Chauhan , R. S. Raghavan

We consider the implications of the recent results of SAGE and GALLEX experiments for the solution of the solar neutrino problem in the framework of the resonant neutrino spin-flavor precession scenario. It is shown that this scenario is…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Kh. Akhmedov , A. Lanza , S. T. Petcov

We generalize to three active flavours a previous two flavour model for the resonant spin flavour conversion of solar neutrinos to sterile ones, a mechanism which is added to the well known LMA one. The transition magnetic moments from the…

High Energy Physics - Phenomenology · Physics 2009-11-06 C. R. Das , Joao Pulido , Marco Picariello

We present an analysis of the solar neutrino data assuming the deficit of solar neutrinos to be originated from the interaction of their transition magnetic moments with the solar magnetic field. We perform fits to the rates only and global…

High Energy Physics - Phenomenology · Physics 2009-11-07 Bhag C. Chauhan , Joao Pulido

First we investigate the possibility of detecting solar antineutrinos with the KamLAND experiment. Then we analyze the first Borexino data release to constrain the neutrino magnetic moment. Finally we investigate the resonant spin flavour…

High Energy Physics - Phenomenology · Physics 2009-07-06 M. Picariello , B. C. Chauhan , C. R. Das , Fernandez-Melgarejo , D. Montanino , J. Pulido , E. Torrente-Lujan

The main features of the observables in the SNO and Super-Kamiokande solar neutrino experiments in the case of neutrino spin and/or spin-flavour precession in the magnetic field of the sun are discussed. It is shown without any model…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky , C. Giunti

We reexamine the possibility of a time modulation of the low energy solar neutrino flux which is suggested by the average decrease of the Ga data in line with our previous arguments. We perform two separate fits to the solar neutrino data,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Bhag C. Chauhan , Joao Pulido , Marco Picariello

We have analysed the recent results from the observation of charged current \nu_e d \to e^- p p events from solar neutrinos by the Sudbury Neutrino Observatory SNO assuming neutrino oscillations with three active flavours. The data seem to…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. V. K. Baba , D. Indumathi , M. V. N. Murthy

Time-frequency analysis of data from the GALLEX and GNO solar neutrino experiments shows that some features in power-spectrum analyses of those datasets are due to aliasing. We normalize data for each of the four experiments in the GALLEX…

High Energy Physics - Phenomenology · Physics 2008-08-11 P. A. Sturrock

The results of all currently operating solar neutrino experiments are analyzed in the framework of the resonant neutrino spin--flavor precession scenario including the effects of neutrino mixing. Nine different profiles of the solar…

High Energy Physics - Phenomenology · Physics 2009-09-25 E. Kh. Akhmedov , A. Lanza , S. T. Petcov

A few inconsistencies remain after it has been ascertained that LMA is the dominant solution to the solar neutrino problem: why is the SuperKamiokande spectrum flat and why is the Chlorine rate prediction over two standard deviations above…

High Energy Physics - Phenomenology · Physics 2010-02-11 Joao Pulido , C R Das , Marco Picariello

The interaction of neutrino transition magnetic dipole moments with magnetic fields can give rise to the phenomenon of neutrino spin-flavour precession (SFP). For Majorana neutrinos, the combined action of SFP of solar neutrinos and flavour…

High Energy Physics - Phenomenology · Physics 2022-10-27 Evgeny Akhmedov , Pablo Martínez-Miravé

Present status of the neutrino magnetic moment solutions of the solar neutrino problem is reviewed. In particular, we discuss a possibility of reconciling different degrees of suppression and time variation of the signal (or lack of such a…

High Energy Physics - Phenomenology · Physics 2012-03-24 E. Kh. Akhmedov

Open questions remain after the confirmation of LMA as the dominant solution to the solar neutrino deficit. These are the apparent time modulation of the solar neutrino event rates in the Homestake, Gallium and SuperKamiokande experiments,…

High Energy Physics - Phenomenology · Physics 2010-02-03 Bhag C. Chauhan , Joao Pulido

This paper reviews the constraints on the solar neutrino mixing parameters with data collected by the Homestake, SAGE, GALLEX, Kamiokande, SuperKamiokande, Borexino and SNO experiments. An emphasis will be given to the global solar neutrino…

High Energy Physics - Experiment · Physics 2010-12-14 Alain Bellerive

Possibilities of a model independent treatment of the data from future real-time solar neutrino experiments (SNO, Super-Kamiokande and others) are discussed. It is shown that in the general case of transitions of the initial solar $\nu_e$'s…

High Energy Physics - Phenomenology · Physics 2009-10-22 S. M. Bilenky , C. Giunti

If the observed deficit of solar neutrinos is due to neutrino oscillations, neutrino conversions caused by the interaction of their transition magnetic moments with the solar magnetic field (spin-flavour precession) can still be present at…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Kh. Akhmedov , J. Pulido

We study the phenomenon of neutrino spin-flavor oscillations due to solar magnetic fields. This allows us to examine how significantly the electron neutrinos produced in the solar interior undergo a resonant spin-flavor conversion. We…

High Energy Physics - Phenomenology · Physics 2020-09-02 Sandeep Joshi , Sudhir R. Jain

We quantify the effects of light spin-zero particles with pseudoscalar couplings to leptons and scalar couplings to nucleons on the evolution of solar neutrinos. In this scenario the matter potential sourced by the nucleons in the Sun's…

High Energy Physics - Phenomenology · Physics 2024-08-07 Saeed Ansarifard , M. C. Gonzalez-Garcia , Michele Maltoni , Joao Paulo Pinheiro

We discuss the impact of different solar neutrino data on the spin-flavor-precession (SFP) mechanism of neutrino conversion. We find that, although detailed solar rates and spectra allow the SFP solution as a sub-leading effect, the recent…

High Energy Physics - Phenomenology · Physics 2009-09-17 O. G. Miranda , T. I. Rashba , A. I. Rez , J. W. F. Valle
‹ Prev 1 2 3 10 Next ›