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Searching for neutrino-less double beta decay of Xe-136 with PandaX-II liquid xenon detector
Ni, KX; Lai, YH; Abdukerim, A; Chen, W; Chen, X; Chen, YH; Cui, XY; Fan, YJ; Fang, DQ; Fu, CB; Geng, LS; Giboni, K; Giuliani, F; Gu, LH; Guo, XY; Han, K; He, CD; Huang, D; Huang, Y; Huang, YL; Huang, Z; Ji, P; Ji, XD; Ju, YL; Liang, K; Liu, HX; Liu, JL; Ma, WB; Ma, YG; Mao, YJ; Meng, Y; Namwongsa, P; Ning, JH; Ning, XY; Ren, XX; Shang, CS; Si, L; Tan, AD; Wang, AQ; Wang, HW; Wang, M; Wang, QH; Wang, SG; Wang, XL; Wang, Z; Wu, MM; Wu, SY; Xia, JK; Xiao, MJ; Xie, PW; Yan, BB; Yang, JJ; Yang, Y; Yu, CX; Yuan, JM; Zhang, D; Zhang, HG; Zhang, T; Zhao, L; Zheng, QB; Zhou, JF; Zhou, N; Zhou, XP
2019
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
Volume43Issue:11Pages:-
Subtype期刊论文
AbstractWe report the Neutrino-less Double Beta Decay (NLDBD) search results from PandaX-II dual-phase liquid xenon time projection chamber. The total live time used in this analysis is 403.1 days from June 2016 to August 2018. With NLDBD-optimized event selection criteria, we obtain a fiducial mass of 219 kg of natural xenon. The accumulated xenon exposure is 242 kg.yr, or equivalently 22.2 kg.yr of Xe-136 exposure. At the region around Xe-136 decay Q-value of 2458 keV, the energy resolution of PandaX-II is 4.2%. We find no evidence of NLDBD in PandaX-II and establish a lower limit for decay half-life of 2.1 x 10(23) yr at the 90% confidence level, which corresponds to an effective Majorana neutrino mass m(beta beta) < (1.4 - 3.7) eV. This is the first NLDBD result reported from a dual-phase xenon experiment.
DOI10.1088/1674-1137/43/11/113001
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32195
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Shanghai Jiao Tong Univ, INPAC, Shanghai Lab Particle Phys & Cosmol, Shanghai 200240, Peoples R China;
2.Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai Lab Particle Phys & Cosmol, Shanghai 200240, Peoples R China;
3.Yalong River Hydropower Dev Co Ltd, 288 Shuanglin Rd, Chengdu 610051, Sichuan, Peoples R China;
4.Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China;
5.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China;
6.Beihang Univ, Sch Phys, Beijing 100191, Peoples R China;
7.Beihang Univ, Int Res Ctr Nuclei & Particles Cosmos, Beijing 100191, Peoples R China;
8.Beihang Univ, Beijing Key Lab Adv Nucl Mat & Phys, Beijing 100191, Peoples R China;
9.Univ Shanghai Sci & Technol, Sch Med Instrument & Food Engn, Shanghai 200093, Peoples R China;
10.Tsung Dao Lee Inst, Shanghai 200240, Peoples R China;
11.Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China;
12.Peking Univ, Sch Phys, Beijing 100871, Peoples R China;
13.Univ Maryland, Dept Phys, College Pk, MD 20742 USA;
14.Shandong Univ, Sch Phys, Jinan 250100, Shandong, Peoples R China;
15.Shandong Univ, Key Lab Particle Phys & Particle Irradiat MOE, Jinan 250100, Shandong, Peoples R China;
16.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Ni, KX,Lai, YH,Abdukerim, A,et al. Searching for neutrino-less double beta decay of Xe-136 with PandaX-II liquid xenon detector[J]. CHINESE PHYSICS C,2019,43(11):-.
APA Ni, KX.,Lai, YH.,Abdukerim, A.,Chen, W.,Chen, X.,...&Zhou, XP.(2019).Searching for neutrino-less double beta decay of Xe-136 with PandaX-II liquid xenon detector.CHINESE PHYSICS C,43(11),-.
MLA Ni, KX,et al."Searching for neutrino-less double beta decay of Xe-136 with PandaX-II liquid xenon detector".CHINESE PHYSICS C 43.11(2019):-.
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