{"paper":{"title":"A Search of Low-Mass WIMPs with p-type Point Contact Germanium Detector in the CDEX-1 Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"hep-ex","authors_text":"A.K. Soma, C.J. Tang, C.X. Yu, F.K. Lin, F.Z. Xu, H.B. Li, H. Gong, H.J. He, H. Jiang, H. Ma, H.T. Wong, H.X. Huang, H. Yu, H.Y. Xing, J.H. Chen, J.J. Zhu, J. Li, J.L. Ma, J.M. Li, J.M. Wang, J.P. Chang, J.P. Cheng, J.Q. Qin, J. Ren, J. Su, K.J. Kang, L.C. L\\\"u, L. Singh, L.T. Yang, L. Wang, L. Zhang, M.B. Shen, M.G. Zhao, M.K. Singh, M. Zeng, N. Yi, Q. Du, Q.H. Chen, Q.J. He, Q. Wang, Q. Yue, R.Q. Xiao, S.J. Mao, S.K. Liu, S.T. Lin, S.W. Yang, S.Y. Wu, T.R. Huang, T. Xue, V. Sharma, W.B. Zhu, W. Zhao, X.C. Ruan, X.H. Zeng, X.J. Xu, X. Li, X.Q. Hao, X.Y. Li, X.Z. Yu, X.Z. Zhu, Y.C. Wu, Y.H. Chen, Y.H. Zhang, Y.J. Li, Y.L. Li, Y. Xu, Z. Deng, Z.H. Zhu, Z.Y. Zhou, Z. Zeng, Z.Z. Xianyu","submitted_at":"2016-01-18T15:47:11Z","abstract_excerpt":"The CDEX-1 experiment conducted a search of low-mass (< 10 GeV/c2) Weakly Interacting Massive Particles (WIMPs) dark matter at the China Jinping Underground Laboratory using a p-type point-contact germanium detector with a fiducial mass of 915 g at a physics analysis threshold of 475 eVee. We report the hardware set-up, detector characterization, data acquisition and analysis procedures of this experiment. No excess of unidentified events are observed after subtraction of known background. Using 335.6 kg-days of data, exclusion constraints on the WIMP-nucleon spin-independent and spin-dependen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.04581","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"}