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A Limit of Neutrinoless Double Beta Decay of 48Ca |
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| Authors: | YOU Ke ZHU Yu-Can LV Jun-Guang SUN Han-Sheng TIAN Wei-Hua ZHAO Wen-Heng ZHENG Zhi-Peng YE Ming-Han QING Cheng-Rui HE Zuo-Xiu CUI Feng-Zhu YU Chang-Jiang |
| Affiliation: | Institute of High Energy Physics,Academia Sinica,Beijing 1000392 China Center of advanced Science and Technology,World Laboratory,Beijing 1000803 Institute of Theoretical Physics,Academia Sinica,Beijing 1000804 Institute of optics and fine Mechanics,Academia Sinica,Changchun 130022 |
| Abstract: | A search for the neutrinoless double beta decay of 48Ca is carried out in a coal mine which is located 512m underground near Beijing.Large scintillation crystals of natural CaF2 were used as both the detector and the double beta decay source.Result obtained after a total of 7588.5 hours of data taking gives 1.1×1022 years (68%C.L.) as the lower limit of the half-life of the neutrinoless double beta decay of 68Ca. |
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