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Related papers: Solar flares and their associated processes

200 papers

We explore the evolution of a select grid of solar metallicity stellar models from their pre-main sequence phase to near their final fates in a neutrino Hertzsprung-Russell diagram, where the neutrino luminosity replaces the traditional…

Solar and Stellar Astrophysics · Physics 2024-07-04 Ebraheem Farag , F. X. Timmes , Morgan Taylor , Kelly M. Patton , R. Farmer

We calculate the solar neutrino and antineutrino flux in the keV energy range. The dominant thermal source processes are photoproduction ($\gamma e\to e \nu\bar\nu$), bremsstrahlung ($e+Ze\to Ze+e+\nu\bar\nu$), plasmon decay…

High Energy Physics - Phenomenology · Physics 2017-12-14 Edoardo Vitagliano , Javier Redondo , Georg Raffelt

Understanding nonthermal particle generation, transport, and escape in solar flares requires detailed quantification of the particle evolution in the realistic 3D domain where the flare takes place. Rather surprisingly, apart of standard…

Solar and Stellar Astrophysics · Physics 2018-05-23 Gregory D. Fleishman , Gelu M. Nita , Natsuha Kuroda , Sabina Jia , Kevin Tong , Richard R. Wen , Zhou Zhizhuo

A current sheet, where magnetic energy is liberated through reconnection and is converted to other forms, is thought to play the central role in solar flares, the most intense explosions in the heliosphere. However, the evolution of a…

Solar and Stellar Astrophysics · Physics 2021-04-28 L. P. Chitta , E. R. Priest , X. Cheng

It is shown that the future SNO and Super-Kamiokande experiments, in which high energy $^8\mathrm{B}$ neutrinos will be detected through the observation of CC, NC and $\nu$--$e$ elastic scattering processes, could allow to reveal in a model…

High Energy Physics - Phenomenology · Physics 2009-09-25 S. M. Bilenky , C. Giunti

With latest experimental data the solar neutrino problem enters new phase when crucial aspects of the problem can be formulated in an essentially (solar) model independent way. Original neutrino fluxes can be considered as free parameters…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Yu. Smirnov

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

A new mechanism of electromagnetic radiation by electrons under the influence of a dense neutrino flux, termed "the spin light of electron" in neutrino flux ($SLe_\nu$), is considered. It is shown that in the case when electrons are moving…

High Energy Physics - Phenomenology · Physics 2015-07-15 Ilya A. Balantsev , Alexander I. Studenikin

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

In this article we review the current state of the field of solar neutrinos, including flavour oscillations, non-standard effects, solar models, cross section measurements, and the broad experimental program thus motivated and enabled. We…

High Energy Physics - Phenomenology · Physics 2021-10-19 G. D. Orebi Gann , K. Zuber , D. Bemmerer , A. Serenelli

We discuss here what model independent information about properties of neutrinos and of the sun can be obtained from future solar neutrino experiments (SNO, Super-Kamiokande). It is shown that in the general case of transitions of solar…

High Energy Physics - Phenomenology · Physics 2011-05-23 S. M. Bilenky , C. Giunti

Althogh KamLAND apparently rules out Resonant-Spin-Flavor-Precession (RSFP) as an explanation of the solar neutrino deficit, the solar neutrino fluxes in the Cl and Ga experiments appear to vary with solar rotation. Added to this evidence,…

High Energy Physics - Phenomenology · Physics 2015-06-25 D. O. Caldwell , P. A. Sturrock

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

A search for inverse beta decay electron antineutrinos has been carried out using the 825 days sample of solar data obtained at SK. The absence of a significant signal, that is, contributions to the total SK background and their angular…

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

Intense solar flares originated in sun spots produce high energy particles (protons, $\alpha$) well observable by satellites and ground-based detectors. The flare onset produces signals in different energy bands (radio, X, gamma and…

High Energy Physics - Phenomenology · Physics 2009-11-10 D. Fargion

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

If neutrino masses and mixings are suitable to explain the atmospheric and solar neutrino fluxes, this amounts to contributions to FCNC processes, in particular $\mu\to e, \gamma$. If the theory is supersymmetric and the origin of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. A. Casas , A. Ibarra

Applying the phenomenon of neutrino lasing in the solar interior, we show how the rate for the generic neutrino decay process `\nu -> fermion + boson', can in principal be enhanced by many orders of magnitude over its normal decay rate.…

High Energy Physics - Phenomenology · Physics 2009-10-22 R. A. Malaney , G. D. Starkman , M. N. Butler

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

There are compelling evidences for the existence of a fourth degree of freedom of neutrinos i.e. sterile neutrino. In the recent studies the role of sterile component of neutrinos has been found to be crucial, not only in particle physics,…

High Energy Physics - Phenomenology · Physics 2019-04-12 Ankush , Rishu Verma , Gazal Sharma , B. C. Chauhan