| A Search for Solar Axions and Anomalous Neutrino Magnetic Moment with the Complete Panda X-Ⅱ Data |
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| 引用本文： | 周小朋,曾鑫宁,宁旭阳,阿布都沙拉木·阿布都克力木,陈葳,谌勋,陈云华,程晨,崔祥仪,樊英杰,方德清,符长波,付孟婷,耿立升,Karl Giboni,顾琳慧,郭绪元,韩柯,何昶达,黄迪,黄焱,黄彦霖,黄周,季向东,巨永林,李帅杰,刘华萱,刘江来,芦晓盈,马文博,马余刚,冒亚军,孟月,倪恺翔,宁金华,任祥祥,商长松,申国防,司琳,谈安迪,王安庆,王宏伟,王萌,王秋红,王思广,王为,王秀丽,王舟,武蒙蒙,吴世勇,邬维浩,夏经铠,肖梦姣,谢鹏伟,燕斌斌,杨继军,杨勇,喻纯旭,袁鞠敏,袁影,张丹,张涛,赵力,郑其斌,周济芳,周宁.A Search for Solar Axions and Anomalous Neutrino Magnetic Moment with the Complete Panda X-Ⅱ Data[J].中国物理快报,2021(1):30-34. |
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| 作者姓名： | 周小朋 曾鑫宁 宁旭阳 阿布都沙拉木·阿布都克力木 陈葳 谌勋 陈云华 程晨 崔祥仪 樊英杰 方德清 符长波 付孟婷 耿立升 Karl Giboni 顾琳慧 郭绪元 韩柯 何昶达 黄迪 黄焱 黄彦霖 黄周 季向东 巨永林 李帅杰 刘华萱 刘江来 芦晓盈 马文博 马余刚 冒亚军 孟月 倪恺翔 宁金华 任祥祥 商长松 申国防 司琳 谈安迪 王安庆 王宏伟 王萌 王秋红 王思广 王为 王秀丽 王舟 武蒙蒙 吴世勇 邬维浩 夏经铠 肖梦姣 谢鹏伟 燕斌斌 杨继军 杨勇 喻纯旭 袁鞠敏 袁影 张丹 张涛 赵力 郑其斌 周济芳 周宁 |
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| 作者单位： | INPAC;School of Physics;Shanghai Jiao Tong University Sichuan Research Institute;Yalong River Hydropower Development Company;School of Physics;Tsung-Dao Lee Institute;School of Physics;Key Laboratory of Nuclear Physics and Ion-Beam Application（MOE）;School of Physics;International Research Center for Nuclei and Particles in the Cosmos&Beijing Key Laboratory of Advanced Nuclear Materials and Physics;School of Medical Instrument and Food Engineering;Department of Physics;School of Mechanical Engineering;School of Physics and Key Laboratory of Particle Physics and Particle Irradiation（MOE）;Shanghai Institute of Applied Physics;Shanghai Advanced Research Institute;Center for High Energy Physics |
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| 基金项目： | Supported in part by the National Key R&D Program of China(Grant No.2016YFA0400301);the National Natural Science Foundation of China(Grant Nos.11525522,11775141,and 11755001);the Double First Class Plan of the Shanghai Jiao Tong University,the China Postdoctoral Science Foundation(Grant No.2018M640036);the Office of Science and Technology,Shanghai Municipal Government(Grant Nos.11DZ2260700,16DZ2260200,and 18JC1410200);the Key Laboratory for Particle Physics,Astrophysics and Cosmology,Ministry of Education,for important support;sponsorship from the Chinese Academy of Sciences Center for Excellence in Particle Physics(CCEPP);the Hongwen Foundation in Hong Kong;the Tencent Foundation in China。 |
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| 摘 要： | We report a search for new physics signals using the low energy electron recoil events in the complete data set from PandaX-Ⅱ,in light of the recent event excess reported by XENON1 T.The data correspond to a total exposure of 100.7 ton·day with liquid xenon.With robust estimates of the dominant background spectra,we perform sensitive searches on solar axions and neutrinos with enhanced magnetic moment.It is found that the axionelectron coupling gAe<4.6×10-12 for an axion mass less than 0.1 keV/c2 and the neutrino magnetic moment μv<4.9×10-11μB at 90%confidence level.The observed excess from XENON1 T is within our experimental constraints.
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| 关 键 词： | moment. EXCESS ESTIMATES |
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