The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to explore many topics in fundamental physics.In this study,the potential of searching for proton decay in the p→νK...The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to explore many topics in fundamental physics.In this study,the potential of searching for proton decay in the p→νK^(+)mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification.Moreover,the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals.Based on these advantages,the detection efficiency for the proton decay via p→νK^(+)is 36.9%±4.9%with a background level of 0.2±0.05(syst)±0.2(stat)events after 10 years of data collection.The estimated sensitivity based on 200 kton-years of exposure is 9.6×1033 years,which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies.展开更多
目的比较椎间盘镜和椎间孔镜治疗腰椎间盘突出症的疗效。方法通过检索Pub Med、Web of Science、Embase、万方和中国知网5个数据库,由两位作者独立筛选出相关文章。运用Cochrane风险因素来评估随机对照试验(RCT)文章质量,运用修改的Newc...目的比较椎间盘镜和椎间孔镜治疗腰椎间盘突出症的疗效。方法通过检索Pub Med、Web of Science、Embase、万方和中国知网5个数据库,由两位作者独立筛选出相关文章。运用Cochrane风险因素来评估随机对照试验(RCT)文章质量,运用修改的Newcastle-Ottawa量表进行回顾性文献的质量评估。文章中的数据应用Review Manager 5.3软件进行提取。结果最后有19篇相关研究被纳入此次Meta分析。椎间孔镜术后短期视觉模拟评分法(VAS)改善明显优于椎间盘镜组(P=0.010),而手术后远期VAS评分变化(P=0.120)、Oswestry功能障碍指数问卷表(ODI)评分变化(P=0.260)、并发症(P=0.100)和残留或复发率(P=0.100)比较,两组差异均无统计学意义。椎间孔镜组出血量更少(P=0.000),切口长度更短(P=0.000),住院天数更少(P=0.000),但是椎间孔镜的手术时间较椎间盘镜组长(P=0.001)。结论在椎间盘突出的手术治疗方面,经皮椎间孔镜技术无疑是一种更加微创且安全的手术方法。展开更多
基金supported by the Chinese Academy of Sciencesthe National Key R&D Program of China+22 种基金the CAS Center for Excellence in Particle PhysicsWuyi Universitythe Tsung-Dao Lee Institute of Shanghai Jiao Tong University in Chinathe Institut National de Physique Nucléaire et de Physique de Particules (IN2P3) in Francethe Istituto Nazionale di Fisica Nucleare (INFN) in Italythe Italian-Chinese collaborative research program MAECI-NSFCthe Fond de la Recherche Scientifique (F.R.S-FNRS)FWO under the "Excellence of Science-EOS" in Belgiumthe Conselho Nacional de Desenvolvimento Científico e Tecnològico in Brazilthe Agencia Nacional de Investigacion y Desarrollo in Chilethe Charles University Research Centrethe Ministry of Education,Youth,and Sports in Czech Republicthe Deutsche Forschungsgemeinschaft (DFG)the Helmholtz Associationthe Cluster of Excellence PRISMA+ in Germanythe Joint Institute of Nuclear Research (JINR)Lomonosov Moscow State University in Russiathe joint Russian Science Foundation (RSF)National Natural Science Foundation of China (NSFC) research programthe MOST and MOE in Taiwan,Chinathe Chulalongkorn UniversitySuranaree University of Technology in Thailandthe University of California at Irvine in USA
文摘The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to explore many topics in fundamental physics.In this study,the potential of searching for proton decay in the p→νK^(+)mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification.Moreover,the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals.Based on these advantages,the detection efficiency for the proton decay via p→νK^(+)is 36.9%±4.9%with a background level of 0.2±0.05(syst)±0.2(stat)events after 10 years of data collection.The estimated sensitivity based on 200 kton-years of exposure is 9.6×1033 years,which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies.
基金supported by the National Natural Science Foundation of China(No.52071093,51871069)the Fundamental Research Funds for the Central Universities,China(No.3072021CF1008)the Open Funds of the State Key Laboratory of Rare Earth Resource Utilization,China(No.RERU2020012)。
基金supported by the National Natural Science Foundation of China(Nos.52174362,51975207)Natural Science Foundation of Hunan Province,China(No.2023JJ10020)+1 种基金Xiangtan Special Project for Building a National Innovative City,China(No.CG-YB20221043)Yancheng“Talent Plan of Yellow Sea Pearl”for Leading Talent Project,China。
