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A modified version of the MSW effect is studied within the framework of screening models through conformal couplings of a scalar field within matter. Such a coupling leads to a new, unknown interaction between the scalar field and the…

High Energy Physics - Phenomenology · Physics 2024-08-21 H. Yazdani Ahmadabadi , H. Mohseni Sadjadi

Cosmic rays hitting the solar atmosphere generate neutrinos that interact and oscillate in the Sun and oscillate on the way to Earth. These neutrinos could potentially be detected with neutrino telescopes and will be a background for…

High Energy Astrophysical Phenomena · Physics 2017-07-11 Joakim Edsjo , Jessica Elevant , Rikard Enberg , Carl Niblaeus

Opportunity of the solar flares (SF's) prediction observing the solar neutrino fluxes is investigated. In three neutrino generations the evolution of the neutrino flux traveling the coupled sunspots (CS's) which are the SF source is…

Solar and Stellar Astrophysics · Physics 2020-04-22 O. M. Boyarkin , I. O. Boyarkina

Sterile neutrinos at the eV scale have long been studied in the context of anomalies in short baseline neutrino experiments. Their cosmology can be made compatible with our understanding of the early Universe provided the sterile neutrino…

High Energy Physics - Phenomenology · Physics 2017-07-26 Francesco Capozzi , Ian M. Shoemaker , Luca Vecchi

Cosmic-rays interacting with nucleons in the solar atmosphere produce a cascade of particles that give rise to a flux of high-energy neutrinos and gamma-rays. Fermi has observed this gamma-ray flux; however, the associated neutrino flux has…

High Energy Astrophysical Phenomena · Physics 2021-07-30 Joshua Villarreal , Gerrit Roellinghoff , Jeffrey Lazar

The flux of neutrinos originating from cosmic ray interactions with matter in the Sun has been calculated based on Monte Carlo models for high energy particle interactions. The resulting flux at the Earth (within the Sun's solid angle) is…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. Ingelman , M. Thunman

The Sun is a powerful neutrino source that can be used to study the physical properties of neutrinos and, at the same time, neutrinos are a unique tool to probe the interior of the Sun. For these reasons, solar neutrino physics is both…

Solar and Stellar Astrophysics · Physics 2009-10-20 Marco Pallavicini

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

This publication provides an overview of magnetic fields in the solar atmosphere with the focus lying on the corona. The solar magnetic field couples the solar interior with the visible surface of the Sun and with its atmosphere. It is also…

Solar and Stellar Astrophysics · Physics 2015-06-23 Thomas Wiegelmann , Julia K. Thalmann , Sami K. Solanki

The processes of electron neutrino capture on neutron and electron anti-neutrino capture on proton, and their reverse processes provide the dominant mechanisms for heating and cooling the material below the stalled shock in a core-collapse…

Astrophysics · Physics 2017-08-23 Huaiyu Duan , Yong-Zhong Qian

Solar inter-network magnetic field is the weakest component of solar magnetism, but contributes most of the solar surface magnetic flux. The study on its origin has been constrained by the inadequate tempo-spatial resolution and sensitivity…

Solar and Stellar Astrophysics · Physics 2015-05-26 Chunlan Jin , Jingxiu Wang

Cosmic rays interacting in the solar atmosphere produce showers that result in a flux of high-energy neutrinos from the Sun. These form an irreducible background to indirect solar WIMP co-annihilation searches, which look for heavy dark…

High Energy Astrophysical Phenomena · Physics 2017-07-26 C. A. Argüelles , G. de Wasseige , A. Fedynitch , B. J. P. Jones

The behavior of the neutrino flux in vortex and twisting magnetic fields is considered within the left-right symmetric model. By way of illustration of the magnetic fields we discuss the magnetic fields of the coupled sunspots (CS's) which…

High Energy Physics - Phenomenology · Physics 2023-07-18 O. M. Boyarkin , I. O. Boyarkina

A potential flux of high-energy neutrinos from the annihilation of dark matter particles trapped within the Sun has been exploited to place indirect limits on particle dark matter. In most models, the dark matter interacts weakly, but the…

High Energy Astrophysical Phenomena · Physics 2009-11-06 Andrew R. Zentner

It is well accepted that the solar cycle originates from a magnetohydrodynamics dynamo deep inside the Sun. Many dynamo models have long been proposed based on a lot of observational constraints. In this paper, using 342 NSO/Kitt Peak solar…

Astrophysics · Physics 2009-06-23 W. B. Song

Experimental work with solar neutrinos has illuminated the properties of neutrinos and tested models of how the sun produces its energy. Three experiments continue to take data, and at least seven are in various stages of planning or…

Nuclear Experiment · Physics 2009-11-11 R. G. H. Robertson

The anomalously slow rotation of the solar core is just one from a remarkable lists of fundamental indications showing that the solar core is somehow coupled to the surface activity cycle. On the other hand, the atmospheric, LSND and solar…

Astrophysics · Physics 2007-05-23 Attila Grandpierre

The Sun is a source of high energy neutrinos (E > 10 GeV) produced by cosmic ray interactions in the solar atmosphere. We study the impact of three-flavor oscillations (in vacuum and in matter) on solar atmosphere neutrinos, and calculate…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. L. Fogli , E. Lisi , A. Mirizzi , D. Montanino , P. D. Serpico

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