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The Iron Sun formed on the collapsed core of a supernova and now acts as a magnetic plasma diffuser, as did the precursor star, separating ions by mass. This process covers the solar surface with lightweight elements and with lighter…

Astrophysics · Physics 2016-08-30 O. Manuel , Sumeet A. Kamat , Michael Mozina

Quantitative data on the solar wind, solar magnetic fields, solar eruptions, solar neutrinos, and on the planetary material orbiting the Sun all indicate the presence of an iron-rich solar interior and a neutron star at the core of the Sun.…

Astrophysics · Physics 2007-05-23 O. Manuel , Y. Singh

The Sun is fueled by a series of nuclear reactions that produce the energy that makes it shine. The primary reaction is the fusion of two protons into a deuteron, a positron and a neutrino. These neutrinos constitute the vast majority of…

There are four important facts about solar neutrinos. They are listed in order of importance in this abstract and discussed more in the text of the talk. First, solar neutrinos have been detected in four experiments with approximately the…

Astrophysics · Physics 2008-02-03 John N. Bahcall

Motivated by a pilot experiment conducted by F.Vannucci et al. during a solar eclipse, we work out the geometry governing the radiative decays of solar neutrinos. Surprisingly, although a smaller proportion of the photons can be detected,…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. -M. Frère , D. Monderen

The results of precise analysis of elements and isotopes in meteorites, comets, the Earth, the Moon, Mars, Jupiter, the solar wind, solar flares, and the solar photosphere since 1960 reveal fingerprints of a local supernova (SN), undiluted…

General Physics · Physics 2010-09-05 Oliver Manuel , Hilton Ratcliffe

This chapter provides a brief introduction to the chemical composition of the Sun. The focus of the chapter is on results obtained from the physical analysis of the solar photosphere. Data obtained from meteorites, solar wind and corona…

Solar and Stellar Astrophysics · Physics 2025-03-10 Maria Bergemann , Katharina Lodders , Herbert Palme

The discovery of solar neutrinos confirmed that the inner workings of the Sun generally match our theoretical understanding of the fusion process. Solar neutrinos have also played a role in discovering that neutrinos have mass and that they…

High Energy Physics - Phenomenology · Physics 2025-05-19 Peter B. Denton , Charles Gourley

Neutrinos are produced in several neutrino nuclear reactions of the proton-proton chain and carbon-nitrogen-oxygen cycle that take place at different radius of the Sun's core. Hence, measurements of solar neutrino fluxes provide a precise…

Solar and Stellar Astrophysics · Physics 2013-10-01 Ilidio Lopes , Joseph Silk

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

I discuss the possibility that the large-scale segregation of metals that accompanied planet formation might have left an imprint on the composition of the primordial Sun. Motivated in part by recent Borexino measurements of CN solar…

Nuclear Theory · Physics 2021-10-01 W. C. Haxton

The XENON1T experiment recently reported an excess of events at low electron recoil energies, which may be due to interactions of solar neutrinos inside the detector via a large neutrino magnetic moment. We point out that a $^{51}$Cr…

High Energy Physics - Phenomenology · Physics 2020-06-30 Pilar Coloma , Patrick Huber , Jonathan M. Link

The Sun is a magnetic plasma diffuser that selectively moves light elements like H and He and the lighter isotopes of each element to its surface. The Sun formed on the collapsed core of a supernova. It consists mostly of iron, oxygen,…

Astrophysics · Physics 2011-02-10 O. Manuel , S. A. Kamat , M. Mozina

The main goal of the Borexino detector, in its final phase of construction in the Gran Sasso underground laboratory, is the direct observation and measurement of the low energy component of neutrinos coming from the Sun. The unique low…

High Energy Physics - Experiment · Physics 2007-05-23 Lino Miramonti

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

We advocate the extraterrestrial solar neutrino physics (etSNP) as a means of investigating solar neutrino physics (SNP). As we already know, the dominant and subdominant (vacuum) oscillation lengths would be approximately one kilometer and…

High Energy Physics - Phenomenology · Physics 2011-07-27 W-Y. Pauchy Hwang , Jen-Chieh Peng

We explore a novel detection possibility for solar axions, which relies only on their couplings to nucleons, via the axion-induced dissociation of deuterons into their constituent neutrons and protons. An opportune target for this process…

High Energy Physics - Phenomenology · Physics 2021-03-08 Aagaman Bhusal , Nick Houston , Tianjun Li

Solar neutrinos have been the subject of experimental study for almost half a century. The initial aim was '...to see into the interior of a star and thus verify directly the hypothesis of nuclear energy generation in stars'. Since then the…

High Energy Physics - Experiment · Physics 2015-04-17 Jeanne R. Wilson

The Sun operates like a giant plasma diffuser that sorts lighter isotopes and elements to the solar surface. Measurements indicate that the interior of the Sun consists mostly of the same seven, even-numbered elements as ordinary…

Astrophysics · Physics 2007-05-23 O. Manuel

Heterogeneous supernova debris formed the solar system. Cores of inner planets formed in the central iron rich region. The Sun formed on the collapsed supernova core. Lighter elements and the lighter isotopes of each element are enriched at…

Astrophysics · Physics 2007-05-23 O. Manuel , C. Bolon , M. Zhong , P. Jangam
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