{"paper":{"title":"The CDEX-1 1 kg Point-Contact Germanium Detector for Low Mass Dark Matter Searches","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Arun Kumar Soma, Chang-Jian Tang, Chao-Hsiung Tseng, Chun-Xu Yu, Fong-Kay Lin, Han-Xiong Huang, Hao Jiang, Hao Ma, Hao-Yang Xing, Hao Yu, Hau-Bin Li, Heng-Ye Liao, Hui Gong, Jian-Min Li, Jian-Ping Chang, Jian-Ping Cheng, Jian-Qiang Qin, Jian Su, Jie Ren, Ji-Min Wang, Jing-Jun Zhu, Jing Ren, Jin Li, Jun Li, Ke-Jun Kang, Lakhwinder Singh, Lan-Chun Lv, Lan Zhang, Li-Tao Yang, Li Wang, Man-Bin Shen, Manoj Kumar Singh, Ming-Gang Zhao, Nan Chen, Nan Yi, Ning Chen, Qiang Du, Qian Yue, Qing-Hao Chen, Qing-Ju He, Qing Wang, Shao-Ji Mao, Shin-Ted Lin, Shi-Yong Wu, Shu-Kui Liu, Song-Wei Yang, Su-Ning Zhong, Tao Xue, Teng-Rui Huang, Tsz-King Henry Wong, Wei-Bin Zhu, Wei Wu, Wei Zhao, Xia Li, Xi-Chao Ruan, Xin-Hui Hu, Xin-Ying Li, Xiong-Hui Zeng, Xi-Qing Hao, Xue-Qian Li, Xue-Zhou Zhu, Xun-Zhen Yu, Yang Bai, Yin Xu, Yong Bi, You-Chun Chuang, Yuan-Jing Li, Yu-Cheng Wu, Yu-Lan Li, Yun-Hua Chen, Yun-Hua Zhang, Zhi Dend, Zhi Zeng, Zhong-Hua Zhu, Zu-Ying Zhou","submitted_at":"2013-05-02T11:26:59Z","abstract_excerpt":"The CDEX Collaboration has been established for direct detection of light dark matter particles, using ultra-low energy threshold p-type point-contact germanium detectors, in China JinPing underground Laboratory (CJPL). The first 1 kg point-contact germanium detector with a sub-keV energy threshold has been tested in a passive shielding system located in CJPL. The outputs from both the point-contact p+ electrode and the outside n+ electrode make it possible to scan the lower energy range of less than 1 keV and at the same time to detect the higher energy range up to 3 MeV. The outputs from bot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0401","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"}