A high-sensitivity search for a 17keV neutrino

Jumpei Shirai

doi:10.1016/0920-5632(93)90016-Y

A high-sensitivity search for a 17keV neutrino

Jumpei Shirai

Research Center for Neutrino Science (RCNS)

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A negative result for the existence of a 17keV neutrino was obtained by a very high-statistical measurement of the ⁶³Ni β-spectrum and a response function using an iron-free magnetic spectrometer. The obtained mixing strength is |U|² = (1.8±3.3(stat.)±3.3(sys.))×10^-4, which strongly excludes the existence of a 17keV neutrino with an admixture of 1%. We set the upper limit to 0.095% on |U|² with a 95% confidence level.

Original language	English
Pages (from-to)	117-126
Number of pages	10
Journal	Nuclear Physics B (Proceedings Supplements)
Volume	32
Issue number	C
DOIs	https://doi.org/10.1016/0920-5632(93)90016-Y
Publication status	Published - 1993 Jan 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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title = "A high-sensitivity search for a 17keV neutrino",

abstract = "A negative result for the existence of a 17keV neutrino was obtained by a very high-statistical measurement of the 63Ni β-spectrum and a response function using an iron-free magnetic spectrometer. The obtained mixing strength is |U|2 = (1.8±3.3(stat.)±3.3(sys.))×10-4, which strongly excludes the existence of a 17keV neutrino with an admixture of 1%. We set the upper limit to 0.095% on |U|2 with a 95% confidence level.",

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AB - A negative result for the existence of a 17keV neutrino was obtained by a very high-statistical measurement of the 63Ni β-spectrum and a response function using an iron-free magnetic spectrometer. The obtained mixing strength is |U|2 = (1.8±3.3(stat.)±3.3(sys.))×10-4, which strongly excludes the existence of a 17keV neutrino with an admixture of 1%. We set the upper limit to 0.095% on |U|2 with a 95% confidence level.

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JO - Nuclear and Particle Physics Proceedings

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SN - 2405-6014

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A high-sensitivity search for a 17keV neutrino

Abstract

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