English
Related papers

Related papers: Aperiodic Spin-Flavor Conversions and $\tilde{\nu}…

200 papers

The magnetic field in the convective zone of the Sun has a random small-scale component with the r.m.s. value substantially exceeding the strength of a regular large-scale field. For two Majorana neutrino flavors $\times$ two helicities in…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. A. Bykov , V. Yu. Popov , A. I. Rez , V. B. Semikoz , D. D. Sokoloff

The magnetic field in the solar convective zone has a random small-scale component with the r.m.s. value substancially exceeding the strength of a regular large-scale field. For two Majorana neutrino flavors and two helicities in the…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. B. Semikoz , A. A. Bykov , V. Yu. Popov , A. I. Rez , D. D. Sokoloff

We consider the effect of a random magnetic field in the convective zone of the Sun superimposed to a regular magnetic field on resonant neutrino spin-flavour oscillations. We argue for the existence of a field of strongly chaotic nature at…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. B Semikoz , E. Torrente-Lujan

We consider the effect of a strongly chaotic magnetic field at the narrow bottom of the convective zone of the Sun together with resonant matter oscillations on the production of electron Majorana antineutrinos. Even for moderate levels of…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. Torrente-Lujan

We have found allowed squared mass difference, magnetic field, mixing angle - regions for the Resonant Spin-Flavor Precession Solution to the Solar Neutrino Problem fitted with the data of all acting solar neutrino experiments. The typical…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Bykov , V. Yu. Popov , T. I. Rashba , V. B. Semikoz

We have shown that the electron anti-neutrino appearance in the framework of the spin flavor conversion mechanism is much more efficient in the case of neutrino propagation through random than regular magnetic field. This result leads to…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. G. Miranda , T. I. Rashba , A. I. Rez , J. W. F. Valle

It is of great interest whether the recent KamLAND bound on the flux of electron antineutrinos from the Sun constrains the electromagnetic properties of the neutrino. We examine the efficiency of the electron antineutrino production in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Friedland

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

We present here a recopilation of recent results about the possibility of detecting solar electron antineutrinos produced by solar core and convective magnetic fields. These antineutrinos are predicted by spin-flavor oscillations at a…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Antonelli , B. C. Chauhan , J. Pulido , E. Torrente-Lujan

We consider the effect of a random magnetic field in the convective zone of the Sun on resonant neutrino spin-flavour oscillations. The expected signals in the different experiments (SK, GALLEX-SAGE,Homestake) are obtained as a function of…

High Energy Physics - Phenomenology · Physics 2016-09-06 E. Torrente-Lujan

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

The effect of a random magnetic field in the convective zone of the Sun on resonant neutrino spin oscillations, i.e. transitions of the type $\nu_{eL}\to\tilde\nu_{\mu R}$, is considered. The average survival probability and the expected…

High Energy Physics - Phenomenology · Physics 2016-08-25 E. Torrente-Lujan

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 study the effect of random magnetic fields in the spin-flavor precession of solar neutrinos in a three generation context, when a non-vanishing transition magnetic moment is assumed. While this kind of precession is strongly constrained…

High Energy Physics - Phenomenology · Physics 2009-11-11 M. M. Guzzo , P. C. de Holanda , O. L. G. Peres

A simple and model-independent method is proposed to extract information on solar $\nu_e$ transition into antineutrinos via the spin flavor precession (SFP) from the measurements of solar neutrino flux at SNO and Super-Kamiokande.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sin Kyu Kang , C. S. Kim

We find that magnetic neutrino-electron scattering is unaffected by oscillations for vacuum mixing of Dirac neutrinos with only diagonal moments and for Majorana neutrinos with two flavors. For MSW mixing, these cases again obtain, though…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. F. Beacom , P. Vogel

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

Resonant Spin-Flavor Precession (RSFP) of solar neutrinos is studied using the quantum density matrix formalism, explicitly taking into account collisional decoherence and solar matter density profiles. The transition probabilities for…

High Energy Physics - Phenomenology · Physics 2026-02-06 D. Delepine , A. Yebra

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

Even after the confirmation of the large mixing angle (LMA) solution of the solar neutrino problem, the scope for resonant spin- flavor precession (RSFP) transitions as a subdominant effect still exists. In this work,we have considered…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Dev , Sanjeev Kumar
‹ Prev 1 2 3 10 Next ›