A search for neutrinoless double β decay of 48Ca

A search for the neutrinoless double β decay of 48Ca is carried out in a coal mine near Beijing. Large scintillation crystals of natural CaF2 were used as both detector and β source. Results obtained after a total of 7588.5 h of data taking give 9.5×1021 yr (76% confidence level) as the lower limit...

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Veröffentlicht in:	Physics letters. B 1991-08, Vol.265 (1-2), p.53-56
Hauptverfasser:	You, Ke, Zhu, Yucan, Lu, Junguang, Sun, Hanseng, Tian, Weihua, Zhao, Wenheng, Zheng, Zhipeng, Ye, Minghan, Ching, Chengrui, Ho, Tsohsiu, Cui, Fengzhu, Yu, Changjiang, Jiang, Guojing
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Physics
Online-Zugang:	Volltext
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Zusammenfassung:	A search for the neutrinoless double β decay of 48Ca is carried out in a coal mine near Beijing. Large scintillation crystals of natural CaF2 were used as both detector and β source. Results obtained after a total of 7588.5 h of data taking give 9.5×1021 yr (76% confidence level) as the lower limit of the half-life of neutrinoless double β decay of 48Ca.
ISSN:	0370-2693 1873-2445
DOI:	10.1016/0370-2693(91)90012-F