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On the siltation of the middle Yangtze River

science china earth sciences 2004年第5期47卷 463-480页

作者： yin hongfu1, chen guojin2. {3. {3.抋n1 & wei yuan3.1. school of earth sciences, china University of Geosciences, wuhan 43.074, china 2. Hydrogeological Team, Hubei Bureau of Geology and Mineral Resources, Jingzhou 4{13.00, china 3. Geological survey of Jiangxi Province, nan{3. 3.0201, china china Univ Geosci Sch Earth Sci Wuhan 430074 Peoples R China Hubei Bur Geol & Mineral Resources Hydrogeol Team Jinzhou 434100 Peoples R China Geol survey Jiangxi Province Nanchang 3300201 Peoples R China

About 5.2×108 t/a of silts from the upper reach of the Yangtze River are transported through Yichang into the middle Yangtze River. The middle Yangtze itself and its tributaries yield ca. 0.8×108 t silts annually. Of this total 6×108 t/a input of silts, ca. 1.2×108 t/a are deposited within the river artery and lakes, while ca 4.83.108 t/a are at first transported into the lower reach through Datong, and then either deposited along the river and the Yangtze Delta, or output into the sea. Along the middle Yangtze River silting generally exceeds scouring, but the spatial and temporal distributions of scour-and-fill, as well as its distribution in the river valley transections, are uneven. Along the Yichang-{3.glingji and Jiujiang-Datong segments of the middle Yangtze, scouring exceeds or equals silting. silting mainly occurs along the Luoshan-{3.-Huangshi segments with {3. as the pivotal point, as well as in the Dongting and Poyang Lakes. Even in these silting-dominated areas, there are times and parts of segments that scouring prevails. As to the transections, generally the river channel of main stream is scouring-dominated, forming V-shaped sections to a depth of 203. m or more, whereas the floodplains and bar islands are silting-dominated, forming wide and relatively high flats, which are often artificially transformed into protected embankments. Because the Jingjiang Levee separates the Jianghan Plain from Yangtze to the south, little has been deposited in that plain except a few sediments from the Han River—a tributary of the middle Yangtze. This factor plus the tectonic sag of that plain has made the altitude of plain surface several meters lower than that of the levee in most of the areas. sil-tation along the Luoshan-{3.-Huangshi segments has resulted in the elevation of flood level in this and upstream segments. River channel scouring plus floodplain silting have caused the transections of the middle Yangtze valley typically with deep channel and height

关键词： the middle Yangtze, scour-and-fill, siltation, silt utilization.

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鄂尔多斯盆地双河地区延长组长6油层组地层水化学特征分布规律

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科学技术与工程 2024年第25期24卷 10635-10644页

作者：侯宾东李爱荣杨怡青郭远智姬伟华陈兵兵尹帅刘梦赵凯丽西安石油大学地球科学与工程学院西安710065 西安石油大学陕西省油气成藏地质学重点实验室西安710065 中国石油勘探开发研究院北京100083 中国石油长庆油田分公司第六采油厂西安710200 中国石油长庆油田分公司第二采气厂西安710200 陕西延长石油(集团)有限责任公司延长气田采气三厂延安716000

致密油藏油水关系复杂,地层水化学组分及其分布规律对指导致密油勘探具有重要意义。基于此,对双河地区长6油层组地层水化学组成、矿化度、水化学特征参数与沉积微相、有效厚度及产能之间的关系进行了深入研究。研究表明,双河地区地层水... 详细信息

致密油藏油水关系复杂,地层水化学组分及其分布规律对指导致密油勘探具有重要意义。基于此,对双河地区长6油层组地层水化学组成、矿化度、水化学特征参数与沉积微相、有效厚度及产能之间的关系进行了深入研究。研究表明,双河地区地层水类型主要为CaCl_(2)型,地层水的矿化度主要分布在2201.2~153.70.9 mg/L,平均为53.47.2 mg/L。矿化度在50000 mg/L之前,含油饱和度随着矿化度的增加而降低的,而在50000 mg/L之后,含油饱和度随着地层水矿化度的增加而增加。这是由于,较高的矿化度代表好的保存条件,利于油气长期大规模聚集,因而含油饱和度较高;而当目的层矿化度处于10000~20000 mg/L相对低的范围时,主要对应3.5 m薄层单砂体组成的复合砂体,因而含油饱和度也相对较高。分析认为,目的层矿化度、钠氯系数、镁钙系数特征均表明目的层处于相对封闭的沉积环境,有利于油气的保存,这些水化学参数均与致密油藏聚集及产能有较为显著的相关性。

关键词：鄂尔多斯盆地双河地区长6油层组地层水水化学参数分布规律

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青藏高原东南缘河谷堆积物的复杂性:以金沙江中游为例

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第四纪研究 2022年第3期42卷 797-808页

作者：尹功明魏传义王躲杜金花王莅斌程理袁仁茂王旭龙刘春茹中国地震局地质研究所地震动力学国家重点实验室北京100029 中国科学院地球环境研究所黄土与第四纪地质国家重点实验室陕西西安710061 西安地球环境创新研究院陕西西安710061 长安大学地球科学与资源学院陕西西安710054 中国地震灾害防御中心北京100029

河流阶地是地表最常见的地貌之一,常被用作研究新构造、气候事件的材料之一。青藏高原东南缘山高坡陡,有多条强烈活动的大型断裂,是强震多发区,区内的河流往往流经高山峡谷。因此,河谷堆积物除正常河流相堆积外,还有多种其他成因。文章... 详细信息

河流阶地是地表最常见的地貌之一,常被用作研究新构造、气候事件的材料之一。青藏高原东南缘山高坡陡,有多条强烈活动的大型断裂,是强震多发区,区内的河流往往流经高山峡谷。因此,河谷堆积物除正常河流相堆积外,还有多种其他成因。文章以金沙江中游地区河谷堆积物为研究对象,根据沉积特征和测年结果,对其成因进行了探讨,发现有以下的非正常河流相堆积:1)由于河道宽窄相邻,可形成短期雍水湖,从而产生的沉积;2)高山峡谷或地震带附近的河道,因滑坡堵塞河道成堰塞湖,发育堰塞湖沉积;堰塞湖溃坝后,在下游也可产生溃决洪水堆积;3.河道两侧高大雪山冰川导致的冰水相堆积。因此,在高山峡谷地区根据阶地来研究新构造、气候事件时需要极其慎重。研究结果表明,洪水堆积物由于存在不充分曝光,其释光、电子自旋共振年龄会明显偏老、大于下伏正常的河流相样品年龄;金沙江中游涛源一带有高差达400 m、发育在不同高程的同期湖相层,应为同个堰塞湖沉积物;大洼村可见特大滑坡,滑坡体从左岸冲到右岸,滑坡坝拔河高在600 m以上、宽度在2~3.km之间,可以形成巨大的堰塞湖,涛源古湖可能与大洼滑坡相关。

关键词：金沙江阶地河谷堆积成因堰塞湖滑坡

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Progress in the investigation of potash resources in western china

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china Geology 2018年第3期1卷 392-401页

作者： Mian-ping Zheng Xian-hua Hou Yong-sheng Zhang En-yuan Xing Hong-pu li Hong-wei {3. chang-qing Yu ning-jun Wang Xiao-lin Deng Zhao wei Zhong-{3.g Miao Jia-ai Zhong Fan Wang Fu Fan Xue-fei Zhang Xu-ben Wang Tu-qiang liu wei-gang Kong MnR Key Laboratory of saline Lake Resources and Environments Institute of Mineral ResourcesCAGSBeijing 100037China Qaidam Integrated Geological Exploration Institute of Qinghai Province Golmud 816000China school of earth sciences and Engineering Nanjing UniversityNanjing 210093China Institute of Geology Chinese Academy of Geological SciencesBeijing 100037China Dazhou Heng cheng Energy (Group) CO. LTD. Dazhou 635000China Institute of Geology of china Chemical Geology and Mine Bureau Zhuozhou 072754China chengdu University of Technology Chengdu 610059China sichuan Geological survey Chengdu 610081China

Through the study of the geological conditions of potash deposits in china from recent years,a new understanding of potash theories has arisen that appropriate Chinese geological *** progress and substantial breakthroughs have been gained in the direction and management of potash prospecting: (1) Important breakthroughs in continental potassium prospecting:The "Quaternary gravel type deep potassium rich brine metallogenic model in western Qaidam" ensures Quaternary deep potassium rich brine prospecting will grow new KCl resources by 3.0 Mt,providing a resource guarantee for meeting the Chinese demand for sylvite.(2) The Marine facies potash prospecting shows good prospects: the determination of the new type of Triassic polyhalite potash ore deposits in sichuan provide an important scientific basis for the establishment of exploration planning and the selection of exploration target areas for polyhalite minerals in the sichuan Basin;The "two-storey potash deposits model" in southwestern Yunnan has been confirmed,which indicates prospects for the exploration of potash in the deeper Marine facies in southwestern Yunnan are likely to be *** discovery of a high concentration of rich bromite salt and potash salt in the Paleogene of the Kuqa depression and the southwestern Tarim region provides strong support for the likelihood large-scale potash deposits exist in these regions.

关键词： Potash deposits theory Potash basin Resource quantity Potassium bearing brine of sandy gravel bed in Qaidam

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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 Jing{23. 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^(23.)U and^(23.)Th in the liquid scintillator can be controlled to 10^(-17)g/*** ten years of data acquisition,approximately 60,000 signal and 3.,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 3.igma(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_(3.)^(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_(3.)^(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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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 3..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 9.6×103. 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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