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Distribution and origin of biologically available phosphorus in the water of the meiliang Bay in summer

Science china Earth sciences 2006年第z1期49卷 146-153页

作者： huang qinghui, wang zijian, wang donghong, ma mei & wang chunxia state key laboratory of environmental aquatic chemistry, research center for eco-environmental sciences, chinese academy of sciences, beijing 100085, china key laboratory of Yangtze aquatic Environment (Ministry of Education), College of environmental Science and Engineering, Tongji University, Shanghai 200092, china chinese Acad Sci Ecoenvironm Sci Res Ctr State Key Lab Environm Aquat Chem Beijing 100085 Peoples R China Tongji Univ Coll Environm Sci & Engn Minist Educ Key Lab Yangtze Aquat Environm Shanghai 200092 Peoples R China

The investigation and continuous monitoring with an innovative iron oxide embedded cellulose acetate membrane (FeO/CAM) on the concentrations of biologically available phosphorus (BAP) were conducted in the meiliang Bay of the Taihu Lake during summer in 2004. The results showed that the concentrations of dissolved (FeO-DP), particulate (FeO-PP) and total bioavailable phosphorus (FeO-P) had similar horizontal distribution. The BAP concentrations were the highest in those estuaries in the northern bay. With the decrease of the distance to the estuary or long shore,there was little difference between BAP concentrations in an open lake area. During the observation period, algal blooms occurred in most waters of the northern bay, which was reflected from the high concentrations of chlorophyll a (Chl-a). While they were not highest in the estuarine waters of those major rivers, this is the case for the BAP concentrations. The concentrations of Chl-a had a significantly positive correlation with those of bioavailable phosphorus in the open area of the meiliang *** the sediment resuspension induced by wind and wave, BAP concentrations increased in a short-term, indicating that the riverine P inputs mainly contribute to the concentrations of BAP in the estuarine water while internal P release was the major source of BAP in the open lake area. In the eutrophic shallow lake, the blooms of alga may cause pH increase and further result in internal P release. The above results showed that the new membrane of FeO/CAM can be used to monitor the concentrations of BAP and provide the scientific justifications for the control strategy of the lake eutrophication.

关键词： phosphorus, bioavailability, eutrophication, resuspension, Taihu Lake.

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environmental Soil Phosphorus Testing and Phosphorus Release in Taihu Lake,china

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Pedosphere 2004年第4期14卷 461-466页

作者： huangQing-Hui wangZi-Jian wangDong-Hong： mamei JINXiang-Can GraduateSchoolofthechineseacademyofsciences Beijing（China）

A microtiter plate assay (MPA) for soluble reactive phosphorus (SRP) was applied to samples in overlying water and pore water as well as in three forms of environmental soil test phosphorus (P) types: water soluble phosphorus (WSP),diluted calcium chloride extractable phosphorus (PCaCl2), and Olsen-P in the sediments of Taihu Lake, china, where potential P release in response to pH was analyzed. MPA for rapid P analysis was shown to be promising when applied on samples of natural water and sediment extracts. Concentrations of WSP and PCaCl2 in the sediments were much lower than those of Olsen-P. Olsen-P levels in the littoral sediments along the north coast of meiliang Bay in Taihu Lake (80to 140 mg kg-1) were much higher than those in the mouth of the bay (less than 50 mg kg-1). The risk of P release in the mouth area of meiliang Bay was lower than that in the north littoral zone with a risk of sediment P release induced by pH increases.

关键词： bioavailability microplate phosphorus release risk

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Evaluation of endocrine disruption and dioxin-like effects of organic extracts from sewage sludge in autumn in beijing, china

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Frontiers of environmental Science & Engineering 2014年第3期8卷 433-440页

作者： Cao LIU Yiping XU mei ma Bingbin huang Jingdong WU Qingyi MENG zijian wang Robert Alan GEARHEART state key laboratory of environmental aquatic chemistry Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 China beijing Water Science and Technology Institute Beijing 100048 China environmental Engineering Department Humboldt State University Arcata CA95521 USA

Study on effective disposal and utilization of sewage sludge has recently been the target of growing interest in china. However, potential risks are associated with the use of sludge due to its contamination with toxic organics, heavy metals and pathogenic microorganisms. In this study, a screening assessment was conducted on sewage sludge samples collected from 17 different sewage treatment plants in beijing, based on a batch of in vitro bioassays, including a set of recombinant gene yeast assays for endocrine disruption, and an ethoxy resorufin-O- deethylase （EROD） assay using H4IIE cells for aryl hydrocarbon receptor （Ah-R） agonistic activities. Our results suggested that moderate levels of estrogen receptor agonistic activities （0.9 ng E2. g-1 to 6.8 ng E2. gl, dw）, but relative higher androgen receptor antagonistic activ- ities （nd to 45%）, progestin receptor antagonistic activities （nd to 80%） and Ah-R agonistic activities （1390 to 6740 pg 2,3,7,8-tetrachlorodibenzo-p-dioxin （TCDD）·g-1, dw） were found in sewage sludge samples. However, there were no significant correlations between the toxic effects of sewage sludge and the sewage treatment processes. In addition, the 17β-estradiol （E2） equivalent quantity （EEQ） level of the sewage sludge was increased after the composting treatment, whereas the 2,3,7,8-tetrachlorodi- benzo-p-dioxin toxic equivalent quantity （TEQ） level of sewagesludge composted was much lower than that of sewage sludge.

关键词： sewage sludge in vitro bioassay endocrine disruption dioxin-like effect

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酵母双杂交技术构建稀有鮈鲫不同雌激素受体亚型的重组荧光酵母

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生态毒理学报 2019年第5期14卷 108-113页

作者：季晓亚杨明嘉黄超袁圣武周小红饶凯锋马梅王子健中国科学院生态环境研究中心中国科学院饮用水科学与技术重点实验室北京100085 中国科学院大学资源与环境学院北京100190 清华大学环境学院环境与健康传感技术中心ESPC国家重点联合实验室北京100084

目前关于环境雌激素(environmental estrogens,EEs)的效应评估大多数是基于人的雌激素受体(estrogen receptor,ER)的离体检测,缺乏EEs对鱼类ER影响的研究。本研究利用酵母双杂交技术构建模式生物稀有鮈鲫不同ER亚型重组荧光双杂交酵母,... 详细信息

目前关于环境雌激素(environmental estrogens,EEs)的效应评估大多数是基于人的雌激素受体(estrogen receptor,ER)的离体检测,缺乏EEs对鱼类ER影响的研究。本研究利用酵母双杂交技术构建模式生物稀有鮈鲫不同ER亚型重组荧光双杂交酵母,用以快速检测EEs的雌激素活性并研究不同ER亚型对17β-雌二醇(E 2)敏感度的差异。采用反转录多聚酶链反应法获取稀有鮈鲫ERα、ERβ1和ERβ2的配体结合域(LBD)序列,构建并鉴别诱饵质粒pGBKT7-ERα-LBD、pGBKT7-ERβ1-LBD和pGBKT7-ERβ2-LBD。将诱饵质粒和猎物质粒pGAD424-GRIP1同时转化荧光酵母Y187-Luc,分别构建3株稀有鮈鲫ERα-GRIP1、ERβ1-GRIP1和ERβ2-GRIP1重组荧光双杂交酵母,并考察了E 2、双氢睾酮(DHT)、9-顺维甲酸(9-cis RA)、三碘甲状腺原氨酸(T 3)和孕酮(PG)对荧光素酶的诱导情况。结果显示:ERα-GRIP1、ERβ1-GRIP1和ERβ2-GRIP1重组荧光双杂交酵母能够专一性地被E 2诱导产生荧光素酶,并存在显著的剂量-效应关系,半数效应浓度(EC 50)值分别为1.98×10^-9、1.77×10^-10、和3.52×10^-10 mol·L^-1,对E 2的敏感程度排序为:ERβ1-GRIP1>ERβ2-GRIP1>ERα-GRIP1。研究表明,稀有鮈鲫不同ER亚型对E 2的响应具有差异,3株重组荧光双杂交酵母不仅可以应用于快速识别内分泌干扰物中的类雌激素物质,分析稀有鮈鲫不同ER亚型对EEs的敏感性,解析雌激素污染物对稀有鮈鲫的作用机制,评估鱼类接触EEs的潜在风险,以期为水质保障和污染治理提供重要依据。

关键词：雌激素 17β-雌二醇稀有鮈鲫酵母双杂交雌激素受体荧光酵母雌激素效应

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Feasibility and physics potential of detecting ^(8)B solar neutrinos at JUNO

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chinese Physics C 2021年第2期45卷 93-110页

作者： Angel Abusleme Thomas Adam Shakeel Ahmad Sebastiano Aiello Muhammad Akram Nawab Ali Fengpeng An Guangpeng An Qi An Giuseppe Andronico Nikolay Anfimov Vito Antonelli Tatiana Antoshkina Burin Asavapibhop João Pedro Athayde marcondes de André Didier Auguste Andrej Babic Wander Baldini Andrea Barresi Eric Baussan marco Bellato Antonio Bergnoli Enrico Bernieri David Biare Thilo Birkenfeld Sylvie Blin David Blum Simon Blyth Anastasia Bolshakova mathieu Bongrand Clément Bordereau Dominique Breton Augusto Brigatti Riccardo Brugnera Riccardo Bruno Antonio Budano max Buesken mario Buscemi Jose Busto Ilya Butorov Anatael Cabrera Hao Cai Xiao Cai Yanke Cai Zhiyan Cai Antonio Cammi Agustin Campeny Chuanya Cao Guofu Cao Jun Cao Rossella Caruso Cédric Cerna Jinfan Chang Yun Chang Pingping Chen Po-An Chen Shaomin Chen Shenjian Chen Xurong Chen Yi-Wen Chen Yixue Chen Yu Chen Zhang Chen Jie Cheng Yaping Cheng Alexander Chepurnov Davide Chiesa Pietro Chimenti Artem Chukanov Anna Chuvashova Gérard Claverie Catia Clementi Barbara Clerbaux Selma Conforti Di Lorenzo Daniele Corti Salvatore Costa Flavio Dal Corso Christophe De La Taille Jiawei Deng Zhi Deng Ziyan Deng Wilfried Depnering marco Diaz Xuefeng Ding Yayun Ding Bayu Dirgantara Sergey Dmitrievsky Tadeas Dohnal Georgy Donchenko Jianmeng Dong Damien Dornic Evgeny Doroshkevich marcos Dracos Frédéric Druillole Shuxian Du Stefano Dusini martin Dvorak Timo Enqvist Heike Enzmann Andrea Fabbri Lukas Fajt Donghua Fan Lei Fan Can Fang Jian Fang marco Fargetta Anna Fatkina Dmitry Fedoseev Vladko Fekete Li-Cheng Feng Qichun Feng Richard Ford Andrey Formozov Amélie Fournier Haonan Gan Feng Gao Alberto Garfagnini Alexandre Göttel Christoph Genster marco Giammarchi Agnese Giaz Nunzio Giudice Franco Giuliani maxim Gonchar Guanghua Gong Hui Gong Oleg Gorchakov Yuri Gornushkin marco Grassi Christian Grewing maxim Gromov Vasily Gromov Minghao Gu Xiaofei Gu Yu Gu Mengyun Guan Nunzio Guardone maria Gul Cong Guo Jingyuan Guo Wanlei Guo Xinheng Guo Yuhang Guo Paul Hackspacher Caren Hagner Ran Han Yan Yerevan Physics Institute YerevanArmenia UniversitéLibre de Bruxelles BrusselsBelgium Universidade Estadual de Londrina LondrinaBrazil Pontificia Universidade Catolica do Rio de Janeiro RioBrazil Pontificia Universidad Católica de Chile SantiagoChile Universidad Tecnica Federico Santa maria ValparaisoChile beijing Institute of Spacecraft Environment Engineering BeijingChina beijing Normal University BeijingChina china Institute of Atomic Energy BeijingChina Institute of High Energy Physics BeijingChina North china Electric Power University BeijingChina School of Physics Peking UniversityBeijingChina Tsinghua University BeijingChina University of chinese academy of sciences BeijingChina Jilin University ChangchunChina College of Electronic Science and Engineering National University of Defense TechnologyChangshaChina Chongqing University ChongqingChina Dongguan University of Technology DongguanChina Jinan University GuangzhouChina Sun Yat-Sen University GuangzhouChina Harbin Institute of Technology HarbinChina University of Science and Technology of china HefeiChina The Radiochemistry and Nuclear chemistry Group in University of South china HengyangChina Wuyi University JiangmenChina Shandong University JinanChina Institute of Modern Physics Chinese Academy of SciencesLanzhouChina Nanjing University NanjingChina Guangxi University NanningChina East china University of Science and Technology ShanghaiChina School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghaiChina Tsung-Dao Lee Institute Shanghai Jiao Tong UniversityShanghaiChina Institute of Hydrogeology and environmental Geology Chinese Academy of Geological SciencesShijiazhuangChina Nankai University TianjinChina Wuhan University WuhanChina Xi’an Jiaotong University Xi’anChina Xiamen University XiamenChina School of Physics and Microelectronics Zhengzhou UniversityZhengzhouChina Institute of Physics National Chiao-Tung University Hsinchu National United University Miao-Li Department of Physics National T

The Jiangmen Underground Neutrino Observatory(JUNO)features a 20 kt multi-purpose underground liquid scintillator sphere as its main *** of JUNO's features make it an excellent location for^8B solar neutrino measurements,such as its low-energy threshold,high energy resolution compared with water Cherenkov detectors,and much larger target mass compared with previous liquid scintillator *** this paper,we present a comprehensive assessment of JUNO's potential for detecting^8B solar neutrinos via the neutrino-electron elastic scattering process.A reduced 2 MeV threshold for the recoil electron energy is found to be achievable,assuming that the intrinsic radioactive background^(238)U and^(232)Th in the liquid scintillator can be controlled to 10^(-17)g/*** ten years of data acquisition,approximately 60,000 signal and 30,000 background events are *** large sample will enable an examination of the distortion of the recoil electron spectrum that is dominated by the neutrino flavor transformation in the dense solar matter,which will shed new light on the inconsistency between the measured electron spectra and the predictions of the standard three-flavor neutrino oscillation *** m^(2)_(21)=4.8times10^(-5);(7.5times10^(-5))eV^(2),JUNO can provide evidence of neutrino oscillation in the Earth at approximately the 3sigma(2sigma)level by measuring the non-zero signal rate variation with respect to the solar zenith ***,JUNO can simultaneously measureDelta m^2_(21)using^8B solar neutrinos to a precision of 20% or better,depending on the central value,and to sub-percent precision using reactor antineutrinos.A comparison of these two measurements from the same detector will help understand the current mild inconsistency between the value of Delta m^2_(21)reported by solar neutrino experiments and the KamLAND experiment.

关键词： neutrino oscillation solar neutrino JUNO

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Sub-percent precision measurement of neutrino oscillation parameters with JUNO

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chinese Physics C 2022年第12期46卷 28-49页

作者： Angel Abusleme Thomas Adam Shakeel Ahmad Rizwan Ahmed Sebastiano Aiello Muhammad Akram Abid Aleem Fengpeng An Qi An Giuseppe Andronico Nikolay Anfimov Vito Antonelli Tatiana Antoshkina Burin Asavapibhop João Pedro Athayde marcondes de André Didier Auguste Weidong Bai Nikita Balashov Wander Baldini Andrea Barresi Davide Basilico Eric Baussan marco Bellato Antonio Bergnoli Thilo Birkenfeld Sylvie Blin David Blum Simon Blyth Anastasia Bolshakova mathieu Bongrand Clément Bordereau Dominique Breton Augusto Brigatti Riccardo Brugnera Riccardo Bruno Antonio Budano Jose Busto Ilya Butorov Anatael Cabrera Barbara Caccianiga Hao Cai Xiao Cai Yanke Cai Zhiyan Cai Riccardo Callegari Antonio Cammi Agustin Campeny Chuanya Cao Guofu Cao Jun Cao Rossella Caruso Cédric Cerna Chi Chan Jinfan Chang Yun Chang Guoming Chen Pingping Chen Po-An Chen Shaomin Chen Xurong Chen Yixue Chen Yu Chen Zhiyuan Chen Zikang Chen Jie Cheng Yaping Cheng Yu Chin Cheng Alexey Chetverikov Davide Chiesa Pietro Chimenti Artem Chukanov Gérard Claverie Catia Clementi Barbara Clerbaux Selma Conforti Di Lorenzo Daniele Corti Flavio Dal Corso Olivia Dalager Christophe De La Taille Zhi Deng Ziyan Deng Wilfried Depnering marco Diaz Xuefeng Ding Yayun Ding Bayu Dirgantara Sergey Dmitrievsky Tadeas Dohnal Dmitry Dolzhikov Georgy Donchenko Jianmeng Dong Evgeny Doroshkevich marcos Dracos Frédéric Druillole Ran Du Shuxian Du Stefano Dusini martin Dvorak Timo Enqvist Heike Enzmann Andrea Fabbri Donghua Fan Lei Fan Jian Fang Wenxing Fang marco Fargetta Dmitry Fedoseev Zhengyong Fei Li-Cheng Feng Qichun Feng Richard Ford Amélie Fournier Haonan Gan Feng Gao Alberto Garfagnini Arsenii Gavrikov marco Giammarchi Nunzio Giudice maxim Gonchar Guanghua Gong Hui Gong Yuri Gornushkin Alexandre Göttel marco Grassi Vasily Gromov Minghao Gu Xiaofei Gu Yu Gu Mengyun Guan Yuduo Guan Nunzio Guardone Cong Guo Jingyuan Guo Wanlei Guo Xinheng Guo Yuhang Guo Paul Hackspacher Caren Hagner Ran Han Yang Han Miao He Wei He Tobias Heinz Patrick Hellmuth Yuekun Heng Rafael Herrera YuenKeung Ho Yerevan Physics Institute YerevanArmenia UniversiéLibre de Bruxelles BrusselsBelgium Universidade Estadual de Londrina LondrinaBrazil Pontificia Universidade Catolica do Rio de Janeiro Rio de JaneiroBrazil Pontificia Universidad Católica de Chile SantiagoChile Universidad Tecnica Federico Santa maria ValparaisoChile beijing Institute of Spacecraft Environment Engineering BeijingChina beijing Normal University BeijingChina china Institute of Atomic Energy BeijingChina Institute of High Energy Physics BeijingChina North china Electric Power University BeijingChina School of Physics Peking UniversityBeijingChina Tsinghua University BeijingChina University of chinese academy of sciences BeijingChina Jilin University ChangchunChina College of Electronic Science and Engineering National University of Defense TechnologyChangshaChina Chongqing University ChongqingChina Dongguan University of Technology DongguanChina Jinan University GuangzhouChina Sun Yat-Sen University GuangzhouChina Harbin Institute of Technology HarbinChina University of Science and Technology of china HefeiChina The Radiochemistry and Nuclear chemistry Group in University of South china HengyangChina Wuyi University JiangmenChina Shandong University JinanChinaand Key Laboratory of Particle Physics and Particle Irradiation of Ministry of EducationShandong UniversityQingdaoChina Institute of Modern Physics Chinese Academy of SciencesLanzhouChina Nanjing University NanjingChina Guangxi University NanningChina East china University of Science and Technology ShanghaiChina School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghaiChina Tsung-Dao Lee Institute Shanghai Jiao Tong UniversityShanghaiChina Institute of Hydrogeology and environmental Geology Chinese Academy of Geological SciencesShijiazhuangChina Nankai University TianjinChina Wuhan University WuhanChina Xi'an Jiaotong University Xi'anChina Xiamen University XiamenChina School of Physics and Microelectronics Zhengzhou UniversityZhengzhou

JUNO is a multi-purpose neutrino observatory under construction in the south of *** publication presents new sensitivity estimates for the measurement of the △m_(31)^(2),△m_(21)^(2),sin^(2)θ_(12),and sin^(2)θ_(13) oscillation parameters using reactor antineutrinos,which is one of the primary physics goals of the *** sensitivities are obtained using the best knowledge available to date on the location and overburden of the experimental site,the nuclear reactors in the surrounding area and beyond,the detector response uncertainties,and the reactor antineutrino spectral shape constraints expected from the TAO satellite *** is found that the △m_(21)^(2) and sin^(2)θ_(12) oscillation parameters will be determined to 0.5%precision or better in six years of data *** the same period,the △m_(31)^(2) parameter will be determined to about 0.2%precision for each mass ordering *** new precision represents approximately an order of magnitude improvement over existing constraints for these three parameters.

关键词： neutrino oscillation reactor antineutrino precision measurement JUNO

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基于传统分离和高通量测序的健康和患锈腐病西洋参根际土壤微生物群落分析

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山东科学 2023年第2期36卷 41-49,75页

作者：李玲玉黄璐琦李政王晓刘伟张华敏马春霞齐鲁工业大学(山东省科学院)山东省分析测试中心山东济南250014 山东农业大学食品科学与工程学院、山东省高校食品加工技术与质量控制重点实验室山东泰安271018 中国中医科学院、中药资源中心道地药材国家重点实验室培育基地北京100700 中国中医科学院、中药研究所北京100700 中国中医科学院、博士后流动站、中国中医科学院博士后管理办公室北京100700 山东省生态环境规划研究院山东济南250101

探究健康和患锈腐病西洋参根际土壤微生物的群落多样性和可培养菌株分离,以期为西洋参锈腐病发生机制及防控提供参考。利用传统分离技术和高通量测序技术分析健康和患锈腐病西洋参的根际土壤,探究其微生物的群落组成及多样性变化。经由... 详细信息

探究健康和患锈腐病西洋参根际土壤微生物的群落多样性和可培养菌株分离,以期为西洋参锈腐病发生机制及防控提供参考。利用传统分离技术和高通量测序技术分析健康和患锈腐病西洋参的根际土壤,探究其微生物的群落组成及多样性变化。经由传统分离技术合计得到24株细菌和25株真菌,优势菌属包括假单胞菌属(Pseudomonas)、芽孢杆菌属(Bacillus)和青霉菌属(Penicillium)。高通量测序结果显示,健康和锈腐病土壤中细菌群落均以蓝细菌门(Cyanobacteria)和变形门(Proteobacteria)为主;患锈腐病组有所降低的为蓝细菌门(Cyanobacteria)、软壁菌门(Tenericutes)和变形菌门(Proteobacteria),大幅上调的为拟杆菌门(Bacteroidetes)、酸杆菌门(Acidobacteria)、放线菌门(Actinobacteria)与厚壁菌门(Firmicutes)。健康和锈腐病土壤内所含的真菌群落以子囊菌门(Ascomycota)为主,被锈腐病感染后有所上调的为担子菌亚门(Basidiomycota)、子囊菌门(Ascomycota)与被孢霉门(Mortierellomycota)。感染锈腐病根际土壤细菌多样性明显减少。研究表明健康和锈腐病土壤微生物群落组成与数量明显不同,为西洋参锈腐病的发病机制及防控技术提供了理论依据。

关键词：西洋参根际土壤细菌和真菌锈腐病高通量测序传统分离方法

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JUNO sensitivity on proton decay p→νK^(+)searches

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chinese Physics C 2023年第11期47卷 7-22页

作者： Angel Abusleme Thomas Adam Shakeel Ahmad Rizwan Ahmed Sebastiano Aiello Muhammad Akram 安丰鹏安琪 Giuseppe Andronico Nikolay Anfimov Vito Antonelli Tatiana Antoshkina Burin Asavapibhop João Pedro Athayde marcondes de André Didier Auguste Nikita Balashov Wander Baldini Andrea Barresi Davide Basilico Eric Baussan marco Bellato Antonio Bergnoli Thilo Birkenfeld Sylvie Blin David Blum Simon Blyth Anastasia Bolshakova mathieu Bongrand Clément Bordereau Dominique Breton Augusto Brigatti Riccardo Brugnera Riccardo Bruno Antonio Budano mario Buscemi Jose Busto Ilya Butorov Anatael Cabrera Barbara Caccianiga 蔡浩蔡啸蔡严克蔡志岩 Riccardo Callegari Antonio Cammi Agustin Campeny 曹传亚曹国富曹俊 Rossella Caruso Cédric Cerna 常劲帆 Yun Chang 陈平平 Po-An Chen 陈少敏陈旭荣 Yi-Wen Chen 陈义学陈羽陈长程捷程雅苹 Alexey Chetverikov Davide Chiesa Pietro Chimenti Artem Chukanov Gérard Claverie Catia Clementi Barbara Clerbaux Selma Conforti Di Lorenzo Daniele Corti Flavio Dal Corso Olivia Dalager Christophe De La Taille 邓智邓子艳 Wilfried Depnering marco Diaz Xuefeng Ding 丁雅韵 Bayu Dirgantara Sergey Dmitrievsky Tadeas Dohnal Dmitry Dolzhikov Georgy Donchenko 董建蒙 Evgeny Doroshkevich marcos Dracos Frédéric Druillole 杜然杜书先 Stefano Dusini martin Dvorak Timo Enqvist Heike Enzmann Andrea Fabbri Ulrike Fahrendholz 范东华樊磊方建方文兴 marco Fargetta Dmitry Fedoseev Li-Cheng Feng 冯启春 Richard Ford Amélie Fournier 甘浩男 Feng Gao Alberto Garfagnini Arsenii Gavrikov marco Giammarchi Agnese Giaz Nunzio Giudice maxim Gonchar 龚光华宫辉 Yuri Gornushkin Alexandre Göttel marco Grassi Christian Grewing Vasily Gromov 顾旻皓谷肖飞古宇关梦云 Nunzio Guardone maria Gul 郭聪郭竞渊郭万磊郭新恒郭宇航 Paul Hackspacher Caren Hagner 韩然 Yang Han Muhammad Sohaib Hassan 何苗何伟 Tobias Heinz Patrick Hellmuth 衡月昆 Rafael Herrera 贺远强侯少静 Yee Hsiung Bei-Zhen Hu 胡航胡健润胡俊胡守扬胡涛胡宇翔胡焯钧黄春豪黄桂鸿黄翰雄黄文昊黄鑫黄性涛黄永波惠加琪霍雷霍文驹 Cédric Huss Safeer Hussain Ara Ioannisian Roberto Isocrate Beatrice Jelmini Kuo-Lun Jen Ignacio Jeria 季筱璐吉星曌贾慧慧贾俊基蹇司玉蒋荻蒋炜江晓山金如意荆小平 Cécile Jollet Jari Joutsenvaara Sirichok Jungthawan Leonidas Kalousis Philipp Ka Pontificia Universidad Católica de Chile SantiagoChile IPHC Universitéde StrasbourgCNRS/IN2P3F-67037 StrasbourgFrance Pakistan Institute of Nuclear Science and Technology IslamabadPakistan INFN Catania and Dipartimento di Fisica e Astronomia dell Universitàdi Catania CataniaItaly East china University of Science and Technology ShanghaiChina University of Science and Technology of china HefeiChina Joint Institute for Nuclear research DubnaRussia INFN Sezione di Milano and Dipartimento di Fisica dell Universitàdi Milano MilanoItaly Department of Physics Faculty of ScienceChulalongkorn UniversityBangkokThailand IJCLab UniversitéParis-SaclayCNRS/IN2P391405 OrsayFrance Department of Physics and Earth Science University of Ferrara and INFN Sezione di FerraraFerraraItaly INFN Milano Bicocca and University of Milano Bicocca MilanoItaly INFN Sezione di Padova PadovaItaly III.Physikalisches Institut B RWTH Aachen UniversityAachenGermany Eberhard Karls Universität Tübingen Physikalisches InstitutTübingenGermany Institute of High Energy Physics BeijingChina SUBATECH Universitéde NantesIMT AtlantiqueCNRS-IN2P3NantesFrance Univ.Bordeaux CNRSLP2IUMR 5797F-33170 GradignanFrance Department of Physics National Taiwan UniversityTaipei Dipartimento di Fisica e Astronomia dell’Universitàdi Padova and INFN Sezione di Padova PadovaItaly University of Roma Tre and INFN Sezione Roma Tre RomaItaly Aix marseille Univ CNRS/IN2P3CPPMMarseilleFrance Wuhan University WuhanChina INFN Milano Bicocca and Politecnico of Milano MilanoItaly National United University Miao-Li Dongguan University of Technology DongguanChina Tsinghua University BeijingChina Institute of Modern Physics Chinese Academy of SciencesLanzhouChina Institute of Physics National Yang Ming Chiao Tung UniversityHsinchu North china Electric Power University BeijingChina Sun Yat-Sen University GuangzhouChina beijing Institute of Spacecraft Environment Engineering BeijingChina Universidade Estadual de Londrina LondrinaBrazil INFN Sez

The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to explore many topics in fundamental *** this study,the potential of searching for proton decay in the p→νK^(+)mode with JUNO is *** kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for ***,the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed *** 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 *** 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.

关键词： proton decay grand unified theories JUNO liquid scintillator detector

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