{"paper":{"title":"Searching for Two-Neutrino and Neutrinoless Double Beta Decay of $^{134}$Xe with the PandaX-4T Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Abdusalam Abdukerim, Andi Tan, Anqing Wang, Binbin Yan, Binyu Pang, Changbo Fu, Changda He, Chen Cheng, Chencheng Han, Chenxiang Li, Chunxu Yu, Congcong Lu, Dan Zhang, Deqing Fang, Di Huang, Guofang Shen, Jiafu Li, Jianglai Liu, Jifang Zhou, Jijun Yang, Jingkai Xia, Jinrong He, Junting Huang, Karl Giboni, Ke Han, Lingyin Luo, Linhui Gu, Lin Si, Lisheng Geng, Li Zhao, Mengjiao Xiao, Mengmeng Wu, Mengting Fu, Meng Wang, Mingchuan Li, Minzhen Zhang, Nasir Shaheed, Ningchun Qi, Ning Zhou, PandaX Collaboration: Xiyu Yan, Pengwei Xie, Peng Zhang, Qibin Zheng, Qing Lin, Qiuhong Wang, Ruquan Hou, Shaobo Wang, Shibo Zhang, Shuaijie Li, Shu Zhang, Siguang Wang, Tao Li, Tao Zhang, Wei Chen, Weihao Wu, Wei Wang, Wei Zhang, Wenbo Ma, Wenliang Sun, Xiangdong Ji, Xiangxiang Ren, Xiang Xiao, Xiangyi Cui, Xiaofeng Shang, Xiaopeng Zhou, Xiaoying Lu, Xinning Zeng, Xiuli Wang, Xiyuan Shao, Xun Chen, Xuyang Ning, Xuyuan Guo, Yajun Mao, Yang Zhang, Yanlin Huang, Yingjie Fan, Yingxin Zhang, Ying Yuan, Yi Tao, Yonglin Ju, Yong Yang, Yong Zhou, Yuanyuan Zhang, Yubo Zhou, Yuehuan Wei, Yue Meng, Yugang Ma, Yu Hou, Yukun Yao, Yunyang Luo, Zhaokan Cheng, Zhe Yuan, Zhicheng Qian, Zhou Huang, Zhou Wang, Zihao Bo","submitted_at":"2023-12-25T07:13:36Z","abstract_excerpt":"$^{134}$Xe is a candidate isotope for neutrinoless double beta decay~($0\\nu\\beta\\beta$) search. In addition, the two-neutrino case ($2\\nu\\beta\\beta$) allowed by the Standard Model of particle physics has not yet been observed. Utilizing the 10.4% of $^{134}$Xe in the natural xenon in the PandaX-4T detector and its first 94.9-day exposure, we have established the most stringent constraints on $2\\nu\\beta\\beta$ and $0\\nu\\beta\\beta$ of $^{134}$Xe half-lives, with limits of $2.8\\times10^{22}$ yr and $3.0\\times10^{23}$ yr at 90% confidence level, respectively. The $2\\nu\\beta\\beta$ ($0\\nu\\beta\\beta$)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.15632","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2312.15632/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}