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Related papers: Interactions Between Solar Neutrinos and Solar Mag…

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We utilize solar rotation average geomagnetic index ap and various solar wind plasma and field parameters for four solar cycles 20-23. We perform analysis to search for a best possible coupling function at 27-day time resolution. Regression…

Solar and Stellar Astrophysics · Physics 2014-04-07 Badruddin , O. P. M. Aslam

The neutrino flux from the sun is predicted to have a CNO-cycle contribution as well as the known pp-chain component. Previously, only the fluxes from beta+ decays of 13N, 15O, and 17F have been calculated in detail. Another neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-10 L. C. Stonehill , J. A. Formaggio , R. G. H. Robertson

In this work the possibility of detecting solar electron antineutrinos produced by a solar core magnetic field from the KamLAND recent observations is investigated. We find a scaling of the antineutrino probability with respect to the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Bhag C. Chauhan , Joao Pulido , 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

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

As a free, intensive, weakly interacting, and well directional messenger, solar neutrinos have been driving both solar physics and neutrino physics developments for more than half a century. Since more extensive and advanced neutrino…

High Energy Physics - Phenomenology · Physics 2026-03-16 Xun-Jie Xu , Zhe Wang , Shaomin Chen

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

The scattering of solar neutrinos on electrons is sensitive to the neutrino magnetic moments through an interference of electromagnetic and weak amplitudes in the cross section. We show that future low-energy solar neutrino experiments with…

High Energy Physics - Phenomenology · Physics 2009-09-17 S. Pastor , J. Segura , V. B. Semikoz , J. W. F. Valle

The low-energy two neutrino-two photon interactions in the presence of homogeneous magnetic field are studied. The cross sections in external magnetic field are shown to be larger than in vacuum by factor $\sim (m_W /m_e) ^4(B/B_c) ^2$. The…

High Energy Physics - Phenomenology · Physics 2008-02-03 Shaisultanov R

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

Solar neutrinos coming from different nuclear reactions are now detected with a high statistics. Consequently, an accurate spectroscopic analysis of the neutrino fluxes arriving on the Earth's detectors become available, in the context of…

Solar and Stellar Astrophysics · Physics 2013-02-13 Ilídio Lopes , Sylvaine Turck-Chièze

A new concept is proposed to solve the solar neutrino problem, that is based on a hypothesis about the existence of semi-weak interaction of electron neutrinos with nucleons mediated by massless pseudoscalar bosons. Owing to about 10…

High Energy Physics - Phenomenology · Physics 2020-07-23 L. M. Slad

The meridional circulation of the solar magnetic fields in Solar Cycles 21-24 was considered. Data from both ground-based and space observatories were used. Three types of time-latitude distributions of photospheric magnetic fields and…

Solar and Stellar Astrophysics · Physics 2023-11-17 Irina A. Bilenko

Electron antineutrino interactions above the inverse beta decay energy of protons ($E_\bar{\nu}_e>$1.8) where looked for with the Borexino Counting Test Facility (CTF). One candidate event survived after rejection of background, which…

High Energy Physics - Experiment · Physics 2008-11-26 Borexino collaboration , M. Balata

Since the end of the eighties and in response to a reported increase in the total neutrino flux in the Homestake experiment in coincidence with solar flares, solar neutrino detectors have searched for solar flare signals. Even though these…

High Energy Astrophysical Phenomena · Physics 2015-05-22 G. de Wasseige , K. Hanson , N. van Eijndhoven , P. Evenson , K. -L. Klein

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

Unexplained annual variations in nuclear decay rates have been reported in recent years by a number of groups. We show that data from these experiments exhibit not only variations in time related to Earth-Sun distance, but also…

Nuclear Experiment · Physics 2011-06-09 Ephraim Fischbach , Jere H. Jenkins , Peter A. Sturrock

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

The Sun shows a global magnetic field cycle traditionally best visible in the photosphere as a changing sunspot cycle featuring roughly an 11 year period. In addition we know that our host star also harbours small-scale magnetic fields…

Solar and Stellar Astrophysics · Physics 2017-12-20 D. Utz , R. Muller , T. Van Doorsselaere

The solar magnetic structure changes over the solar cycle. It has a dipole structure during solar minimum, where the open flux extends mainly from the polar regions into the interplanetary space. During maximum, a complex structure is…

Solar and Stellar Astrophysics · Physics 2023-06-28 Minami Yoshida , Toshifumi Shimizu , Shin Toriumi