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Related papers: The $^8$B Neutrino Spectrum

200 papers

We present a systematic evaluation of the shape of the neutrino energy spectrum produced by beta-decay of $^8$B. We place special emphasis on determining the range of uncertainties permitted by existing laboratory data and theoretical…

Nuclear Theory · Physics 2008-11-26 John N. Bahcall , E. Lisi , D. E. Alburger , L. De Braeckeleer , S. J. Freedman , J. Napolitano

We identify and quantify systematic effects not accounted for in two previous measurements of the alpha-alpha relative-energy distribution in the beta decay of 8B, which can explain the apparent disagreement with respect to two newer…

Nuclear Experiment · Physics 2014-08-06 Oliver S. Kirsebom , Hans O. U. Fynbo , Riccardo Raabe , Karsten Riisager , Thomas Roger

The beta-delayed alpha spectrum from the decay of 8B has been measured with a setup that minimized systematic uncertainties that affected previous measurements. Consequently the deduced neutrino spectrum presents much smaller uncertainties…

Nuclear Experiment · Physics 2009-10-31 C. E. Ortiz , A. Garcia , R. A. Waltz , M. Bhattacharya , A. K. Komives

A significant decay branch of 8B to the ground state of 8Be would extend the solar neutrino spectrum to higher energies than anticipated in the standard solar models. These high-energy neutrinos would affect current neutrino oscillation…

Nuclear Experiment · Physics 2008-11-26 M. K. Bacrania , N. M. Boyd , R. G. H. Robertson , D. W. Storm

The mechanism of beta decay in nature is not understood yet. Mirrored energy spectra of electron and antineutrino can clarify the situation. A special experiment is needed to measure antineutrino spectrum from known beta-decaying isotope to…

High Energy Physics - Phenomenology · Physics 2021-02-26 S. V. Silaeva , V. V. Sinev

The sensitivity of the Sudbury Neutrino Observatory (SNO) to measure the shape of the recoil electron spectrum in the charged-current reaction of $^{8}$B solar neutrinos interacting with deuterium can be improved if the results of a…

Nuclear Theory · Physics 2008-11-26 G. Jonkmans , I. S. Towner , B. Sur

The next generation of solar neutrino detectors will provide a precision measure of the $^8$B electron-neutrino spectrum in the energy range from 1-15 MeV. Although the neutrino spectrum emitted by $^8$B $\beta$-decay reactions in the Sun's…

High Energy Physics - Phenomenology · Physics 2019-01-23 Ilídio Lopes , Joseph Silk

The presence of neutrinos from Boron decay in the flux observed on Earth is attested by the observation of their energy spectrum. Possible distortions of the spectrum investigated in current detectors are often interpreted in terms of…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Escribano , J. -M. Frere , A. Gevaert , D. Monderen

Recent measurements of the positron energy spectrum obtained from inverse beta decay interactions of reactor electron antineutrinos show an excess in the 4 to 6 MeV region relative to current predictions. First-principle calculations of…

Nuclear Experiment · Physics 2015-01-14 D. A. Dwyer , T. J. Langford

The energy spectrum of recoil electrons from solar neutrino scattering, as observed by Superkamiokande, is deformed with respect to that expected from SSM calculations. We considered \nu-e scattering from neutrinos produced by the…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. L. Villante

The Project 8 experiment aims to measure the neutrino mass using tritium beta decays. Beta-decay electron energies will be measured with a novel technique: as the electrons travel in a uniform magnetic field their cyclotron radiation will…

Instrumentation and Detectors · Physics 2019-08-14 N. S. Oblath

We report on a search for nuclear recoil signals from solar $^8$B neutrinos elastically scattering off xenon nuclei in XENON1T data, lowering the energy threshold from 2.6 keV to 1.6 keV. We develop a variety of novel techniques to limit…

High Energy Physics - Experiment · Physics 2021-03-17 E. Aprile , J. Aalbers , F. Agostini , S. Ahmed Maouloud , M. Alfonsi , L. Althueser , F. D. Amaro , S. Andaloro , V. C. Antochi , E. Angelino , J. R. Angevaare , F. Arneodo , L. Baudis , B. Bauermeister , L. Bellagamba , M. L. Benabderrahmane , A. Brown , E. Brown , S. Bruenner , G. Bruno , R. Budnik , C. Capelli , J. M. R. Cardoso , D. Cichon , B. Cimmino , M. Clark , D. Coderre , A. P. Colijn , J. Conrad , J. Cuenca , J. P. Cussonneau , M. P. Decowski , A. Depoian , P. Di Gangi , A. Di Giovanni , R. Di Stefano , S. Diglio , A. Elykov , A. D. Ferella , W. Fulgione , P. Gaemers , R. Gaior , M. Galloway , F. Gao , L. Grandi , C. Hils , K. Hiraide , L. Hoetzsch , J. Howlett , M. Iacovacci , Y. Itow , F. Joerg , N. Kato , S. Kazama , M. Kobayashi , G. Koltman , A. Kopec , H. Landsman , R. F. Lang , L. Levinson , S. Liang , S. Lindemann , M. Lindner , F. Lombardi , J. Long , J. A. M. Lopes , Y. Ma , C. Macolino , J. Mahlstedt , A. Mancuso , L. Manenti , A. Manfredini , F. Marignetti , T. Marrodán Undagoitia , K. Martens , J. Masbou , D. Masson , S. Mastroianni , M. Messina , K. Miuchi , K. Mizukoshi , A. Molinario , K. Morå , S. Moriyama , Y. Mosbacher , M. Murra , J. Naganoma , K. Ni , U. Oberlack , K. Odgers , J. Palacio , B. Pelssers , R. Peres , M. Pierre , J. Pienaar , V. Pizzella , G. Plante , J. Qi , J. Qin , D. Ramírez García , S. Reichard , A. Rocchetti , N. Rupp , J. M. F. dos Santos , G. Sartorelli , J. Schreiner , D. Schulte , H. Schulze Eißing , M. Schumann , L. Scotto Lavina , M. Selvi , F. Semeria , P. Shagin , E. Shockley , M. Silva , H. Simgen , A. Takeda , C. Therreau , D. Thers , F. Toschi , G. Trinchero , C. Tunnell , K. Valerius , M. Vargas , G. Volta , Y. Wei , C. Weinheimer , M. Weiss , D. Wenz , C. Wittweg , T. Wolf , Z. Xu , M. Yamashita , J. Ye , G. Zavattini , Y. Zhang , T. Zhu , J. P. Zopounidis

If the published event rates of the chlorine and Kamiokande solar neutrino experiments are correct, then the energy spectrum of neutrinos produced by the decay of $^8$B in the sun must be different from the energy spectrum determined from…

High Energy Physics - Phenomenology · Physics 2009-10-22 John N. Bahcall

It is well known that the neutrino masses affect the shape of the energy spectrum of tritium beta-decay electrons. However, experiments have yet to measure that distortion. The Project 8 experiment proposes to measure the spectral…

Nuclear Experiment · Physics 2011-10-12 N. S. Oblath

In this paper we study the effect of, well-known, higher order corrections to the allowed beta decay spectrum on the determination of anti-neutrino spectra resulting from the decays of fission fragments. In particular, we try to estimate…

High Energy Physics - Phenomenology · Physics 2015-03-19 Patrick Huber

We show that the effects of neutrino oscillations on 8B solar neutrinos are described well by the first two moments (the average and the variance) of the energy distribution of scattered or recoil electrons. For the SuperKamiokande and the…

Nuclear Experiment · Physics 2008-11-26 John N. Bahcall , P. I. Krastev , E. Lisi

The shape of the beta decay energy distribution is sensitive to the mass of the electron neutrino. Attempts to measure the endpoint shape of tritium decay have so far seen no distortion from the zero-mass form. Here we show that a new type…

Nuclear Experiment · Physics 2019-08-14 J. A. Formaggio

LENA (Low Energy Neutrino Astronomy) has been proposed as a next generation 50 kt liquid scintillator detector. The large target mass allows a high precision measurement of the solar $^8$B neutrino spectrum, with an unprecedented energy…

A general description is given of Project 8, a new approach to measuring the neutrino mass scale via the beta decay of tritium. In Project 8, the energy of electrons emitted in beta decay is determined from the frequency of cyclotron…

Radiative corrections to the electron recoil-energy spectra and to total cross sections are computed for neutrino-electron scattering by solar neutrinos. Radiative corrections change monotonically the electron recoil spectrum for incident…

Astrophysics · Physics 2016-08-30 John N. Bahcall , Marc Kamionkowski , Alberto Sirlin
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