Nuclear beta decays and neutrino
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Nuclear beta decays and neutrino proceedings of the international symposium, Osaka, Japan, June 1986

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Published by World Scientific in Singapore .
Written in English


  • Neutrinos -- Congresses.,
  • Double beta decay -- Congresses.,
  • Beta decay -- Congresses.,
  • Tritium -- Decay -- Congresses.

Book details:

Edition Notes

Statementedited by T. Kotani, H. Ejiri & E. Takasugi.
ContributionsKotani, T. 1924-, Ejiri, H. 1936-, Takasugi, E., 1945-, Ōsaka Daigaku., International Symposium on Nuclear Beta Decays and Neutrino (1986 : Osaka, Japan)
LC ClassificationsQC793.5.N422 N83 1986
The Physical Object
Paginationxviii, 542 p. :
Number of Pages542
ID Numbers
Open LibraryOL2737926M
ISBN 109971501643
LC Control Number86032537

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@article{osti_, title = {MOON for neutrino-less {beta}{beta} decays and {beta}{beta} nuclear matrix elements}, author = {Ejiri, H}, abstractNote = {The MOON project aims at spectroscopic 0v{beta}{beta} studies with the v-mass sensitivity of meV by measuring two beta rays from {sup }Mo and/or {sup 82}Se. The detector is a compact super-module of multi-layer PL scintillator plates. Abstract. Interest in double beta decays (ββ) has recently increased in nuclear and particle physics. Within the framework of the minimal SU(2) L × U(1) standard theory, double β decay is followed by two neutrino (2v) emission, and the lepton number (L) is by: 9.   We present a technique for separating nuclear double beta decay (β β-decay) events from background neutrino interactions due to 8 B decays in the background becomes dominant in a kiloton-scale liquid-scintillator detector deep underground and is usually considered as irreducible due to an overlap in deposited energy with the signal. Experimental studies of neutrino. nuclear. responses for double beta decays. Hiro Ejiri. RCNP Osaka. , Catania. Thank. the organizers for the invitation.

Fundamental properties of neutrinos, such as the absolute mass and the CP phases beyond the Standard Model, are studied by double beta decays in nuclei. Astro (solar and supernova)-neutrino production and astro-neutrino nucleosynthesis are investigated by neutrino nuclear interactions and inverse beta-decays in nuclei. In these neutrino studies in nuclei, neutrino nuclear responses . 4 neutrino! (Chapter! 1).! As! indicated! in! Chapter! 1,! the! existence! of! antiparticles! and! antimatter! extends! quite! generally! and! we! produce! and. The topics to be discussed include the following: nuclear double beta decays, nuclear structure in connection with neutrino physics, nuclear reactions as a probe for weak decays, neutrino–nucleus interaction at low and high energy, supernova models and detection of supernova neutrinos, solar models and detection of solar neutrinos, direct and. On occasion, two beta decays happen almost simultaneously, releasing two electrons and two electron antineutrinos. This is the aptly named double beta decay. An even rarer process, if it exists, would be neutrinoless double beta decay. In this reaction, two neutrons would become two protons, a virtual neutrino exchange would cause the.

In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta particle (fast energetic electron or positron) is emitted from an atomic nucleus, transforming the original nuclide to an example, beta decay of a neutron transforms it into a proton by the emission of an electron accompanied by an antineutrino; or, conversely a proton is converted into a. Previously, it has been repeatedly suggested that the radioactive decay of nuclei is not a random phenomenon and can occur under the influence of a neutrino flux. Our recent experiment [1] showed that the neutrino flux created by a nuclear reactor affects the decay of nuclei in an isolated source 90Sr/90Y, whose beta-electrons have an average energy of the order of 1 MeV. The neutrino emitted in the beta decays cannot be detected directly because it is neutral and its rest mass is very small. However, because of the conservation of linear momentum at beta decay, the momentum vectors (i.e., the pathways of the particles) of the daughter nuclide and the beta particle should be at an angle of degrees.   Neutrino–nuclear responses, i.e. squares of the involved nuclear matrix elements (NMEs), are crucial to extract neutrino properties from double beta decay (DBD) experiments. They are needed to evaluate astro-neutrino nuclear interaction rates and also neutrino nucleosynthesis ones.