{"paper":{"title":"The first result on 76Ge neutrinoless double beta decay from CDEX-1 experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex","physics.ins-det"],"primary_cat":"hep-ex","authors_text":"Arun Kumar Soma, ChangJian Tang, ChaoHsiung Tseng, Chunxu Yu, FongKay Lin, Haijun Yu, Hanxiong Huang, Hao Jiang, Hao Ma, HaoYang Xing, HauBin Li, Hong Li, Hui Gong, Jianmin Li, JianPing Chang, Jianping Cheng, Jian Su, Jie Ren, Jifang Zhou, Jimin Wang, Jinghan Chen, JingJun Zhu, JingLu Ma, Jin Li, Jinwei Hu, Jun Li, Kejun Kang, Lakhwinder Singh, Lan Zhang, Li He, LiPing Jia, Litao Yang, Li Wang, Manbin Shen, Manoj Kumar Singh, Minggang Zhao, Nan Yi, Qiang Du, Qian Yue, QingHao Chen, QingJu He, Qing Wang, ShinTed Lin, Shiyong Wu, ShuKui Liu, SongWei Yang, SuNing Zhong, Tao Xue, TengRui Huang, TszKing Henry Wong, Vivek Sharma, WeiBin Zhu, WeiHe Zeng, Wei Wu, WeiYou Tang, Wei Zhao, Xia Li, Xichao Ruan, Xingyu Pan, Xinying Li, Xionghui Zeng, Xueqian Li, Yin Xu, Yuanjing Li, YuCheng Wu, Yulan Li, Yunhua Chen, Yunhua Zhang, Zhi Deng, Zhi Zeng, Zhonghua Zhu, Zuying Zhou","submitted_at":"2017-03-06T14:05:14Z","abstract_excerpt":"We report the first result on Ge-76 neutrinoless double beta decay from CDEX-1 experiment at China Jinping Underground Laboratory. A mass of 994 g p-type point-contact high purity germanium detector has been installed to search the neutrinoless double beta decay events, as well as to directly detect dark matter particles. An exposure of 304 kg*day has been analyzed. The wideband spectrum from 500 keV to 3 MeV was obtained and the average event rate at the 2.039 MeV energy range is about 0.012 count per keV per kg per day. The half-life of Ge-76 neutrinoless double beta decay has been derived b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.01877","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}