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Related papers: The Simplest Resonant Spin--Flavour Solution to th…

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Recent results on solar neutrinos provide hints that the LMA MSW solution could be correct. We perform accurate calculations for potential `smoking-gun' effects of the LMA solution in the SuperKamiokande solar neutrino experiment,…

High Energy Physics - Phenomenology · Physics 2016-08-25 J. N. Bahcall , P. I. Krastev , A. Yu. Smirnov

We have studied the large mixing angle MSW solution for the solar neutrinos in the non-abelian flavor symmetry. We predict the MNS mixing matrix taking account of the symmetry breakings.

High Energy Physics - Phenomenology · Physics 2007-05-23 Morimitsu Tanimoto

We study the stability of the two--neutrino MSW solution of the solar neutrino problem, corresponding to solar $\nu_e$ transitions into sterile neutrino, $\nu_e \rightarrow \nu_s$, with respect to changes of the total fluxes of $^{8}$B and…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. I. Krastev , S. T. Petcov , L. Qiuyu

We examine the potential for a ``natural'' three-neutrino mixing scheme to satisfy available data and astrophysical arguments. By ``natural'' we mean no sterile neutrinos, and a neutrino mass hierarchy similar to that of the charged…

Astrophysics · Physics 2011-03-10 Christian Y. Cardall , George M. Fuller

MSW solutions of the solar neutrino problem predict a seasonal dependence of the zenith angle distribution of the event rates, due to the non-zero latitude at the Super-Kamiokande site. We calculate this seasonal dependence and compare it…

High Energy Physics - Phenomenology · Physics 2009-09-17 P. C. de Holanda , C. Peña-Garay , M. C. Gonzalez-Garcia , J. W. F. Valle

It has recently been shown that the neutrino can have non-zero electric charge in a number of gauge theories, including the Minimal Standard Model. Assuming non-zero neutrino charge, we develop a new approach to the solar neutrino problem.…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. Yu. Ignatiev , G. C. Joshi

Solar neutrino studies triggered and largely motivated the major developments in neutrino physics in the last 50 years. Theory of neutrino propagation in different media with matter and fields has been elaborated. It includes oscillations…

High Energy Physics - Phenomenology · Physics 2017-01-18 Michele Maltoni , Alexei Yu. Smirnov

The simplest unified extension of the Minimal Supersymmetric Standard Model with bi-linear R--Parity violation provides a predictive scheme for neutrino masses which can account for the observed atmospheric and solar neutrino anomalies in…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. C. Romao , M. A. Diaz , M. Hirsch , W. Porod , J. W. F Valle

The Lehmann-Newton-Wu mass matrix, which was recently applied to neutrinos, is further investigated. The analytic results presented earlier are confirmed numerically for the solar density profile of the Standard Solar Model. The combined…

High Energy Physics - Phenomenology · Physics 2009-10-31 Per Osland , Geir Vigdel

Recent coordinated power-spectrum analyses of radiochemical solar neutrino data and the solar irradiance have revealed a highly significant, high-Q common modulation at 11.85 yr-1. Since the stability of this frequency points to an…

Astrophysics · Physics 2009-11-13 P. A. Sturrock

Planck scale lepton number violation is an interesting and natural possibility to explain non-zero neutrino masses. We consider such operators in the context of Randall-Sundrum (RS1) scenarios. Implementation of this scenario with a single…

High Energy Physics - Phenomenology · Physics 2014-06-18 Abhishek M Iyer

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

Single right-handed neutrino dominance (SRHND) in the 23 sector of the light effective neutrino mass matrix has been proposed as a natural explanation for the concurrent large 23 mixing angle and large 23 mass hierarchy. In this paper we…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. F. King

Solar model independent tests of the vacuum oscillation and MSW solutions of the solar neutrino problem are considered. Detailed predictions for time (seasonal) variations of the signals in the future solar neutrino detectors (SNO, Super…

High Energy Physics - Phenomenology · Physics 2009-09-25 P. I. Krastev , S. T. Petcov

We study how well KamLAND, the first terrestrial neutrino experiment capable of addressing the solar neutrino problem, will perform in ascertaining whether or not the large mixing angle MSW solution (with $10^{-5}<\Delta m_{21}^2< 10^{-4}…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , Danny Marfatia , Benjamin P. Wood

We present the evolution equation describing MSW conversion, derived in the framework of the Schr\"odinger approach, in the presence of matter density fluctuations. Then we analyse the effect of such fluctuations in the MSW scenario as a…

High Energy Physics - Phenomenology · Physics 2009-10-28 Anna Rossi

We present a general study of a three neutrino flavour transition model based on the supersymmetric interactions which violate R-parity. These interactions induce flavour violating scattering reactions between solar matter and neutrinos.…

High Energy Physics - Phenomenology · Physics 2009-11-07 H. K. Dreiner , G. Moreau

The spin flavor precession (SFP) is investigated in the three neutrino generation case assuming that the neutrinos are Majorana type. Approximate analytical formulas including all transition magnetic moments are provided for the electron…

High Energy Physics - Phenomenology · Physics 2018-02-13 Deniz Yilmaz

We continue examining statistical data assimilation (SDA), an inference methodology, to infer solutions to neutrino flavor evolution, for the first time using real - rather than simulated - data. The model represents neutrinos streaming…

Context. On the sun, the magnetic field vector is measured routinely only in the photosphere. By using these photospheric measurements as boundary condition, we developed the magnetohydrostatic (MHS) extrapolation to model the solar…

Solar and Stellar Astrophysics · Physics 2019-11-20 Xiaoshuai Zhu , Thomas Wiegelmann
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