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Understanding the physics of the deep solar interior, and the more exotic environs of core-collapse supernovae (CCSN) and binary neutron-star (NS) mergers, is of keen interest in many avenues of research. To date, this physics is based…

We construct a realistic model based on SUSY SO(10) with U(2) flavor symmetry. A set of symmetric mass textures give rise to very good predictions; 15 masses and 6 mixing angles are predicted by 11 parameters. Both the vacuum oscillation…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mu-Chun Chen , K. T. Mahanthappa

Ten recently-published solar models give $\7be$ neutrino fluxes that lie within a range of $\pm 10$\% of the average value, a convergence that is independent of uncertainties in the measured laboratory rate of the $\7be(p,\gamma)\8b$…

Astrophysics · Physics 2008-11-26 John N. Bahcall

Two-neutrino oscillations in vacuum are studied as a possible solution of the solar neutrino problem. New constraints on the parameter sn2, characterizing the mixing of the electron neutrino with another active or sterile neutrino, as well…

High Energy Physics - Phenomenology · Physics 2009-10-22 P. I. Krastev , S. T. Petcov

The present status of the solar neutrino problem is reviewed. The strongest motivation for new neutrino physics comes from the complete phenomenological failure of astrophysical solutions: (1) The standard solar model is excluded by each of…

High Energy Physics - Phenomenology · Physics 2016-09-01 Naoya Hata

(Abridged.) We present a thorough analysis of the current solar neutrino data, in the context of two-flavor active neutrino oscillations. We aim at performing an accurate and exhaustive statistical treatment of both the input and the output…

High Energy Physics - Phenomenology · Physics 2009-10-07 G. L. Fogli , E. Lisi , A. Marrone , D. Montanino , A. Palazzo

We present our results concerning a systematical analysis of helioseismic implications on solar structure and neutrino production. We find Y$_{ph}=0.238-0.259$, $R_b/R_\odot=0.708-0.714$ and $\rho_b=(0.185-0.199)$ gr/cm$^3$. In the interval…

Astrophysics · Physics 2015-06-24 V. Castellani , S. Degl'Innocenti , W. A. Dziembowski , G. Fiorentini , B. Ricci

An updated analysis of all available neutrino oscillation evidence in Solar experiments (SK day and night spectra, global rates from Homestake, SAGE and GALLEX) including the latest SNO CC and NC data is presented. Assuming that the shape…

High Energy Physics - Phenomenology · Physics 2007-06-22 P. Aliani , V. Antonelli , M. Picariello , R. Ferrari , E. Torrente-Lujan

We have evaluated fluctuations in neutrino fluxes caused by solar gravity (g) modes based on the analysis of linear adiabatic oscillation of a spherically symmetric star. We find that the first-order fluctuation is zero due to geometrical…

Solar and Stellar Astrophysics · Physics 2026-04-09 Yoshiki Hatta , Yuuki Nakano , Sho Sugama , Masanobu Kunitomo , Hiroshi Ito , Takashi Sekii

We briefly discuss some implications of the first solar \nu results from the Sudbury Neutrino Observatory (SNO) experiment in the charged-current channel. We first show that the present SNO response function is very similar to the…

High Energy Physics - Phenomenology · Physics 2009-10-07 G. L. Fogli , E. Lisi , D. Montanino , A. Palazzo

We update the best constraints on fluctuations in the solar medium deep within the solar Radiative Zone to include the new SNO-salt solar neutrino measurements. We find that these new measurements are now sufficiently precise that neutrino…

High Energy Physics - Phenomenology · Physics 2009-09-17 C. P. Burgess , N. S. Dzhalilov , M. Maltoni , T. I. Rashba , V. B. Semikoz , M. A. Tortola , J. W. F. Valle

The SNO+ experiment is a large multi-purpose neutrino detector, currently filled with liquid scintillator. For the first time in a single experiment, SNO+ is able to measure the neutrino oscillation parameters $\theta_{12}$ and $\Delta…

High Energy Physics - Experiment · Physics 2024-03-29 Daniel Cookman

The Sudbury Neutrino Observatory (SNO) is a water imaging Cherenkov detector. Its usage of 1000 metric tons of D$_{2}$O as target allows the SNO detector to make a solar-model independent test of the neutrino oscillation hypothesis by…

Nuclear Experiment · Physics 2019-08-14 A. W. P. Poon

Small discrete family symmetries such as S4, A4 or A5 may lead to simple leading-order predictions for the neutrino mixing matrix such as the bimaximal, tribimaximal or golden ratio mixing patterns, which may be brought into agreement with…

High Energy Physics - Phenomenology · Physics 2015-06-23 Peter Ballett , Stephen F. King , Christoph Luhn , Silvia Pascoli , Michael A. Schmidt

The electronic density in the Sun's inner core is inferred from the 8B, 7Be and pep neutrino flux measurements of the Super-Kamiokande, SNO and Borexino experiments. We have developed a new method in which we use the KamLAND detector…

Solar and Stellar Astrophysics · Physics 2013-10-01 Ilídio Lopes

The Standard Model (SM) of particle physics effectively explains most observed phenomena, though some anomalies, especially in the neutrino sector, suggest the need for extensions. In this Letter, we perform the first global fit of elastic…

High Energy Physics - Phenomenology · Physics 2025-12-05 Mattia Atzori Corona , Matteo Cadeddu , Nicola Cargioli , Francesca Dordei , Carlo Giunti , Christoph A. Ternes

A measurement of the $^8$B solar neutrino flux has been made using a 69.2 kt-day dataset acquired with the SNO+ detector during its water commissioning phase. At energies above 6 MeV the dataset is an extremely pure sample of solar neutrino…

High Energy Physics - Experiment · Physics 2019-02-05 The SNO+ Collaboration , : , M. Anderson , S. Andringa , S. Asahi , M. Askins , D. J. Auty , N. Barros , D. Bartlett , F. Barão , R. Bayes , E. W. Beier , A. Bialek , S. D. Biller , E. Blucher , R. Bonventre , M. Boulay , E. Caden , E. J. Callaghan , J. Caravaca , D. Chauhan , M. Chen , O. Chkvorets , B. Cleveland , C. Connors , I. T. Coulter , M. M. Depatie , F. Di Lodovico , F. Duncan , J. Dunger , E. Falk , V. Fischer , E. Fletcher , R. Ford , N. Gagnon , K. Gilje , C. Grant , J. Grove , A. L. Hallin , D. Hallman , S. Hans , J. Hartnell , W. J. Heintzelman , R. L. Helmer , J. L. Hernández-Hernández , B. Hreljac , J. Hu , A. S. Inácio , C. J. Jillings , T. Kaptanoglu , P. Khaghani , J. R. Klein , R. Knapik , L. L. Kormos , B. Krar , C. Kraus , C. B. Krauss , T. Kroupova , I. Lam , B. J. Land , R. Lane , A. LaTorre , I. Lawson , L. Lebanowski , E. J. Leming , A. Li , J. Lidgard , B. Liggins , Y. Liu , V. Lozza , M. Luo , S. Maguire , A. Maio , S. Manecki , J. Maneira , R. D. Martin , E. Marzec , A. Mastbaum , N. McCauley , A. B. McDonald , P. Mekarski , M. Meyer , M. Mlejnek , I. Morton-Blake , S. Nae , M. Nirkko , H. M. O'Keeffe , G. D. Orebi Gann , M. J. Parnell , J. Paton , S. J. M. Peeters , T. Pershing , L. Pickard , D. Pracsovics , G. Prior , A. Reichold , R. Richardson , M. Rigan , J. Rose , R. Rosero , J. Rumleskie , I. Semenec , K. Singh , P. Skensved , M. I. Stringer , R. Svoboda , B. Tam , L. Tian , J. Tseng , E. Turner , R. Van Berg , J. G. C. Veinot , C. J. Virtue , E. Vázquez-Jáuregui , J. Wang , J. J. Weigand , J. R. Wilson , P. Woosaree , A. Wright , J. P. Yanez , M. Yeh , K. Zuber , A. Zummo

Nuclear reaction rates are a fundamental yet uncertain ingredient in stellar evolution models. The astrophysical S-factor pertaining to the initial reaction in the proton-proton chain is uncertain at the 1% level, which contributes a…

Solar and Stellar Astrophysics · Physics 2022-10-05 Earl Patrick Bellinger , Jørgen Christensen-Dalsgaard

We present an improved measurement of the CNO solar neutrino interaction rate at Earth obtained with the complete Borexino Phase-III dataset. The measured rate R$_{\rm CNO}$ = $6.7^{+2.0}_{-0.8}$ counts/(day$ \cdot$ 100 tonnes), allows us…

Tests, independent of any solar model, can be made of whether solar neutrino experiments are consistent with the minimal Standard Model (stable, massless neutrinos). If the experimental uncertainties are correctly estimated and the sun is…

Nuclear Theory · Physics 2014-11-18 Karsten M. Heeger , R. G. H. Robertson
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