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REPORT ON DETERMINATION OF THE REST MASS OF ELECTRON NEUTRINO WITH 3H β RAY SPECTROSCOPY |
| MEI Zhenyue;KE Zunjian;WU Weimin;ZHAO Zhengguo* |
| Department of Modern Physics, University of Science and Technology of China, Hefei 230026
*CCAST (World Laboratory), Beijing 100039
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| Cite this article: |
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MEI Zhenyue, KE Zunjian, WU Weimin et al 1990 Chin. Phys. Lett. 7 345-348 |
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Abstract With an iron free double focusing β ray spectrometer and Bergkvist electrostatic compensated Ti3H and implantated tritium source, we studied β ray spectrum of 3H near the end point. We found that if the rest mass of electron neutrino is positive, the value must be less than the experimental uncertainty now attainable.
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14.60.Gh
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Published: 01 August 1990
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