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The content of coronal material in the quiet Sun is not constant as soft X-ray and high-temperature EUV line observations have shown. New material, probably heated and evaporated from the chromosphere is occasionally injected even in the…

天体物理学 · 物理学 2007-05-23 Arnold O. Benz , Sam Krucker

We study the important for the experiment features of the effect of the electron shell on alpha decay in the adiabatic approach. The effect is of tenths of a percent or less in magnitude, depending on the transition energy and the atomic…

核理论 · 物理学 2015-06-15 Feodor F. Karpeshin , Malvina B. Trzhaskovskaya

After a brief summary of the neutrino oscillation formalism and the solar neutrino sources and experiments I discuss the matter effect on solar neutrino oscillation. Then I discuss how the resulting alternative solutions are experimentally…

高能物理 - 唯象学 · 物理学 2015-06-25 D. P. Roy

The four operating solar neutrino experiments confirm the hypothesis that the energy source for solar luminosity is hydrogen fusion. However, the measured rate for each of the four solar neutrino experiments differs significantly (by…

天体物理学 · 物理学 2015-06-24 John N. Bahcall

We have found evidence for fluxes of energetic electrons in interplanetary space on board the ISEE-3 spacecraft which we interpret as the decay products of neutrons generated in a solar flare on 1980 June 21. The decay electrons arrived at…

天体物理学 · 物理学 2009-10-28 W. Dröge , D. Ruffolo , B. Klecker

In practically all known till now methods of nuclear chronometry there were usually taken into account the life-times of only fundamental states of $\alpha$-radioactive nuclei. But in the processes of nuclear synthesis in stars and under…

核理论 · 物理学 2015-05-13 V. S. Olkhovsky , M. E. Dolinska

Resonant spin--flavour conversion of neutrinos (RSFCN) in twisting magnetic fields might be at the origin of the apparent anticorrelation between the $^{37}$Ar production--rate in the Homestake solar neutrino detector and the solar…

高能物理 - 唯象学 · 物理学 2010-11-01 P. I. Krastev

Inaccurate modelling of the near-surface layers of solar models causes a systematic difference between modelled and observed solar mode frequencies. This difference---known as the "surface effect" or "surface term"---presumably also exists…

太阳与恒星天体物理 · 物理学 2017-11-07 Warrick H. Ball

Observed solar neutrino fluxes are employed to constrain the interior composition of the Sun. Including the effects of neutrino flavor mixing, the results from Homestake, Sudbury, and Gallium experiments constrain the Mg, Si, and Fe…

天体物理学 · 物理学 2011-06-02 Guillermo Gonzalez

In this paper, starting from the updated time series of global temperature anomalies, Ta, we show how the solar component affects the observed behavior using, as an indicator of solar activity, the Solar Sunspot Number SSN. The results that…

大气与海洋物理 · 物理学 2015-12-04 Stefano Sello

In a Dynamic Solar Model (DSM) the temperature dependences of the pp cycle neutrinos will be different from the ones determined by solar model calculations with the luminosity constraint. Instead of the usual neutrino fluxes pp ~ T^{-1/2},…

天体物理学 · 物理学 2007-05-23 Attila Grandpierre

Heavy ion ratio abundances in Solar Energetic Particle (SEP) events, e.g.~Fe/O, often exhibit decreases over time. Using particle instruments on the ACE, SOHO and STEREO spacecraft, we analysed heavy ion data from 4 SEP events taking place…

空间物理 · 物理学 2017-01-25 P. Zelina , S. Dalla , C. M. S. Cohen , R. A. Mewaldt

The ratio of metal abundance to hydrogen abundance of the solar photosphere, $(Z/X)_{s}$, has been revised several times. Standard solar models, based on these revised solar abundances, are in disagreement with seismically inferred results.…

太阳与恒星天体物理 · 物理学 2024-07-17 Wuming Yang , Zhijia Tian

We have investigated how the relative elemental abundances inferred from the solar upper atmosphere are affected by uncertainties in the dielectronic recombination (DR) rate coefficients used to analyze the spectra. We find that the…

天体物理学 · 物理学 2007-05-23 Daniel Wolf Savin , J. Martin Laming

In order to probe the mechanism of variations of the Solar Constant on the inter-solar-cycle scale, total solar irradiance (TSI, the so-called Solar Constant) in the time interval of 7 November 1978 to 20 September 2010 is decomposed into…

太阳与恒星天体物理 · 物理学 2015-06-03 K. J. Li , W. Feng , J. C. Xu , P. X. Gao , L. H. Yang , H. F. Liang , L. S. Zhan

Recent results of non-accelerator-based experiments, including those of solar, atmospheric, and reactor neutrinos oscillations, neutrinoless double-beta decays, and neutrino magnetic moments, are reviewed. Future projects and their…

高能物理 - 实验 · 物理学 2009-11-10 Yifang Wang

Recent studies have shown that the elemental abundances in the Sun are anomalous when compared to most (about 85%) nearby solar twin stars. Compared to its twins, the Sun exhibits a deficiency of refractory elements (those with condensation…

太阳与恒星天体物理 · 物理学 2015-05-19 I. Ramirez , M. Asplund , P. Baumann , J. Melendez , T. Bensby

We show that solar neutrino experiments set an upper limit of 7.8% (7.3% including the recent KamLAND measurements) to the fraction of energy that the Sun produces via the CNO fusion cycle, which is an order of magnitude improvement upon…

天体物理学 · 物理学 2009-11-07 John N. Bahcall , M. C. Gonzalez-Garcia , C. Penya-Garay

Mutiple experimental results indicate the existence of cosmophysical effects which influence parameters of nuclear decays and chemical reactions in lab. conditions. In particular, variations of nucleus alpha-,beta-decay parameters with…

综合物理 · 物理学 2022-06-22 S. N. Mayburov

This paper reviews the constraints on the solar neutrino mixing parameters with data collected by the Homestake, SAGE, GALLEX, Kamiokande, SuperKamiokande, and SNO experiments. An emphasis will be given to the global solar neutrino analyses…

高能物理 - 实验 · 物理学 2009-11-10 Alain Bellerive