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Enhancement of electron–ion recombination rates at low energy range in the heavy ion storage ring CSRm

Chinese physics B 2020年第3期29卷 169-175页

作者： Nadir Khan Zhong-Kui Huang Wei-Qiang Wen Shu-Xing wang Han-Bing wang Wan-Lu ma Xiao-Long Zhu {2.-Mei Zhao Li-Jun mao Jie Li Xiao-Ming ma Mei-Tang Tang Da-Yu Yin Wei-Qing Yang Jian-Cheng Yang You-Jin Yuan Lin-Fan Zhu Xin-Wen ma Institute of modern physics Chinese Academy of SciencesLanzhou 730000China university of Chinese Academy of sciences Beijing 100049China hefei National Laboratory for Physical sciences at Micro-scale Department of Modern PhysicsUniversity of Science and Technology of ChinaHefei 230026China

Recombination of Ar^(14+), Ar^(15+), Ca^(16+), and Ni^(19+) ions with electrons has been investigated at low energy range based on the merged-beam method at the main cooler storage ring CSRm in the Institute of modern physics, Lanzhou,{2.. For each ion, the absolute recombination rate coefficients have been measured with electron–ion collision energies from 0 meV to 1000 meV which include the radiative recombination(RR) and also dielectronic recombination(DR)processes. In order to interpret the measured results, RR cross sections were obtained from a modified version of the semiclassical Bethe and Salpeter formula for hydrogenic ions. DR cross sections were calculated by a relativistic configuration interaction method using the flexible atomic code(FAC) and AUTOSTRUCTURE code in this energy range. The calculated RR + DR rate coefficients show a good agreement with the measured value at the collision energy above 100 ***, large discrepancies have been found at low energy range especially below 10 meV, and the experimental results show a strong enhancement relative to the theoretical RR rate coefficients. For the electron–ion collision energy below 1 meV, it was found that the experimentally observed recombination rates are higher than the theoretically predicted and fitted rates by a factor of 1.5 to 3.9. The strong dependence of RR rate coefficient enhancement on the charge state of the ions has been found with the scaling rule of q^(3.0), reproducing the low-energy recombination enhancement effects found in other previous experiments.

关键词： storage ring electron cooler highly charged ions radiative recombination enhancement

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Femtosecond laser processing stainless steel foil and its Fourier spectrum detection

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Optoelectronics Letters 2020年第6期16卷 471-476页

作者： TU dong-ming ma Hao-yue JIANG Xiao-rui LIU Hong-liang WU Peng-fei SONG Li-wei wang Ming-wei Institute of modern Optics Nankai UniversityTianjin 300350China State Key Laboratory of High Field Laser physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of ScienceShanghai 201800China

In this paper, we use femtosecond laser pulse to scribe 304 stainless steel foil, detect the Fourier transform infrared spectrum of the sample before and after processing, confirm the "cold processing" and "thermal processing" and their mutual conversion, and determine the "cold processing" parameter window. The ablation threshold and incubation coefficient of 304 stainless steel foil are calculated, and the effects of scanning speed and effective pulse number on the ablation threshold are analyzed. The ANSYS software is used to simulate the radial and axial temperature distributions of the surface on 304 stainless steel foil sample and the heat-affected zone with a femtosecond laser fluence of 10 J/cm2.and an effective number of pulses of 1 2.0 are obtained. In the aspect of spectral detection, the Fourier transform infrared spectra of the sample before and after processing are measured and two processing mechanisms of "cold processing" and "hot processing" are confirmed, which proves that we can achieve the conversion between "cold processing" and "hot processing" by changing the laser fluence and determine the "cold processing" laser fluence range.

关键词： Gaussian Femtosecond laser processing stainless steel foil and its Fourier spectrum detection Fourier

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Determination of the number ofψ(3686)events taken at BESⅢ

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Chinese physics C 2024年第9期48卷 8-20页

作者： M.Ablikim M.N.Achasov P.Adlarson O.Afedulidis X.C.Ai R.Aliberti A.Amoroso Q.An Y.Bai O.Bakina I.Balossino Y.Ban H.-R.Bao V.Batozskaya K.Begzsuren N.Berger M.Berlowski M.Bertani D.Bettoni F.Bianchi E.Bianco A.Bortone I.Boyko R.A.Briere A.Brueggemann H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.F.Chang G.R.Che G.Chelkov C.Chen C.H.Chen Chao Chen G.Chen H.S.Chen H.Y.Chen M.L.Chen S.J.Chen S.L.Chen S.M.Chen T.Chen X.R.Chen X.T.Chen Y.B.Chen Y.Q.Chen Z.J.Chen Z.Y.Chen S.K.Choi G.Cibinetto F.Cossio J.J.Cui H.L.Dai J.P.Dai A.Dbeyssi R.E.de Boer D.Dedovich C.Q.Deng Z.Y.Deng A.Denig I.Denysenko M.Destefanis F.De Mori B.Ding X.X.Ding Y.Ding Y.Ding J.dong L.Y.dong M.Y.dong X.dong M.C.Du S.X.Du Y.Y.Duan Z.H.Duan P.Egorov Y.H.Fan J.Fang J.Fang S.S.Fang W.X.Fang Y.Fang Y.Q.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng J.H.Feng Y.T.Feng M.Fritsch C.D.Fu J.L.Fu Y.W.Fu H.Gao X.B.Gao Y.N.Gao Yang Gao S.Garbolino I.Garzia L.Ge P.T.Ge Z.W.Ge C.Geng E.M.Gersabeck A.Gilman K.Goetzen L.Gong W.X.Gong W.Gradl S.Gramigna M.Greco M.H.Gu Y.T.Gu C.Y.Guan Z.L.Guan A.Q.Guo L.B.Guo M.J.Guo R.P.Guo Y.P.Guo A.Guskov J.Gutierrez K.L.Han T.T.Han F.Hanisch X.Q.Hao F.A.Harris K.K.He K.L.He F.H.Heinsius C.H.Heinz Y.K.Heng C.Herold T.Holtmann P.C.Hong G.Y.Hou X.T.Hou Y.R.Hou Z.L.Hou B.Y.Hu H.M.Hu J.F.Hu S.L.Hu T.Hu Y.Hu G.S.Huang K.X.Huang L.Q.Huang X.T.Huang Y.P.Huang T.Hussain F.Hölzken N.Hüsken N.in der Wiesche J.Jackson S.Janchiv J.H.Jeong Q.Ji Q.P.Ji W.Ji X.B.Ji X.L.Ji Y.Y.Ji X.Q.Jia Z.K.Jia D.Jiang H.B.Jiang P.C.Jiang S.S.Jiang T.J.Jiang X.S.Jiang Y.Jiang J.B.Jiao J.K.Jiao Z.Jiao S.Jin Y.Jin M.Q.Jing X.M.Jing T.Johansson S.Kabana N.Kalantar-Nayestanaki X.L.Kang X.S.Kang M.Kavatsyuk B.C.Ke V.Khachatryan A.Khoukaz R.Kiuchi O.B.Kolcu B.Kopf M.Kuessner X.Kui N.Kumar A.Kupsc W.Kühn J.J.Lane P.Larin L.Lavezzi T.T.Lei Z.H.Lei M.Lellmann T.Lenz C.Li C.Li C.H.Li Cheng Li D.M.Li F.Li G.Li H.B.Li H.J.Li H.N.Li Hui Li J.R.Li J.S.Li Ke Li L.J.Li L.K.Li Lei Li M.H.Li P.R.Li Q.M.Li Q.X.Li R.Li S.X.Li T.Li W.D.Li W.G.Li X.Li X.H.Li X.L.Li X.Z.Li Xi Institute of High Energy physics Beijing 100049China Beihang university Beijing 100191China Bochum Ruhr-university D-44780BochumGermany Budker Institute of Nuclear physics SB RAS(BINP) Novosibirsk 630090Russia Carnegie Mellon university PittsburghPennsylvania 15213USA Central china Normal university Wuhan 430079China Central South university Changsha 410083China china center of Advanced {2. and technology Beijing 100190China china university of Geo{2.s Wuhan 430074China Chung-Ang university Seoul06974Republic of Korea COMSATS university Islamabad Lahore CampusDefence RoadOff Raiwind Road54000LahorePakistan Fudan university Shanghai 200433China GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291DarmstadtGermany Guangxi Normal university Guilin 541004China Guangxi university Nanning 530004China Hangzhou Normal university Hangzhou 310036China Hebei university Baoding 071002China Helmholtz Institute mainz Staudinger Weg 18D-55099MainzGermany Henan Normal university Xinxiang 453007China Henan university Kaifeng 475004China Henan university of science and {2. Luoyang 471003China Henan university of technology Zhengzhou 450001China Huangshan College Huangshan 245000China Hunan Normal university Changsha 410081China Hunan university Changsha 410082China Indian Institute of technology madras Chennai 600036India Indiana university BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati (A)INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara (A)INFN Sezione di FerraraI-44122FerraraItaly(B)University of FerraraI-44122FerraraItaly Inner Mongolia university Hohhot 010021China Institute of modern physics Lanzhou 730000China Institute of physics and technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de Alta Investigación Universidad de TarapacáCasilla 7DArica 1000000Chile Jilin university Changchun 130012China Joha

The number ofψ(3686)events collected by the BESⅢdetector during the 2.2. run period is determined to be(2.59.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic *** uncertainty is systematic and the statistical uncertainty is ***,the numbers ofψ(3686)events collected during the 2.09 and 2.12.un periods are updated to be(107.7±0.6)×10~6 and(345.4±2.6)×10~6,*** numbers are consistent with the previous measurements within one standard *** total number ofψ(3686)events in the three data samples is(2.12.4±14.3)×10~6.

关键词： ψ(3686) inclusive process Hadronic events BESⅢdetector

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Low energy range dielectronic recombination of Fluorine-like Fe^17+at the CSRm

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Chinese physics C 2018年第6期42卷 53-58页

作者： Nadir Khan Zhong-Kui Huang Wei-Qiang Wen Sultan mahmood Li-Jun Dou Shu-Xing wang Xin xu Han-Bing wang Chong-Yang Chen Xiao-Ya Chuai Xiao-Long Zhu {2.-Mei Zhao Li-Jun mao Jie Li Da-Yu Yin Jian-Cheng Yang You-Jin Yuan Lin-Fan Zhu Xin-Wen ma Institute of modern physics Chinese Academy of Sciences Lanzhou 730000 China university of Chinese Academy of sciences Beijing 100049 China hefei National Laboratory for Physical sciences at Micro Scale Department of Modern Physics University of Science and Technology of China Hefei 230026 China Shanghai EBIT Laboratory Key Laboratory of Nuclear Physics and Ion-beam Application Institute of Modern Physics Department of Nuclear Science and Technology Fudan University Shanghai 200433 China

The accuracy of dielectronic recombination （DR） data for astrophysics related ions plays a key role in astrophysical plasma modeling. The absolute DR rate coefficient of Fe^17＋ ions was measured at the main cooler storage ring at the Institute of modern physics, Lanzhou, china. The experimental electron-ion collision energy range covers the first Rydberg series up to n = 2. for the DR resonances associated with the 2.1/2.→^2.p3/2.n= 0 core excitations. A theoretical calculation was performed by using FAC code and compared with the measured DR rate coefficient. Overall reasonable agreement was found between the experimental results and calculations. Moreover, the plasma rate coefficient was deduced from the experimental DR rate coefficient and compared with the available results from the literature. At the low energy range, significant discrepancies were found, and the measured resonances challenge state-of-the-art theory at low collision energies.

关键词： storage ring electron cooler electron-ion recombination plasma rate coefficient

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4 - 9 Dielectronic Recombination Experiment of 78Kr2.＋ on HIRFL-CSRm

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IMP & HIRFL Annual Report 2013年第1期 185-186页

作者： Huang Zhongkui ma Xinwen Wen Weiqiang wang Hanbing xu Weiqing Zhu Xiaolong Gao Yong Zhao dongmei Cheng Xiaowei Yang Xiaodong Li jie ma Xiaoming Yan Tailai Yang Jiancheng mao Lijun Xia Jiawen Yuan Youjin xu Hushan Xiao Guoqing xu Xin ZhuLinfan ShiYinglong dong Chenzhong Supported by the NSFC No. *** and the External Cooperation Program of the CAS No. GJHZ1305. hefei National Laboratory for Physical sciences at Microscale Department of Modern Physics University of Science and Technology ofChina Hefei 230026 Anhui China. Northwest Normal university Lanzhou 730070 China.

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电子束离子阱光谱标定和Ar^(13+)离子M1跃迁波长精密测量

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物理学报 2022年第3期71卷 92-100页

作者：刘鑫周晓鹏汶伟强陆祺峰严成龙许帼芹肖君黄忠魁汪寒冰陈冬阳邵林袁洋汪书兴马万路马新文华南师范大学量子物质研究院广东核科学重点实验室广州510006 中国科学院近代物理研究所兰州730000 复旦大学现代物理研究所核物理与离子束应用教育部重点实验室上海200433 中国科学技术大学近代物理系合肥230026

高电荷态离子精细结构跃迁波长的精密测量不仅可以检验量子电动力学(quantum electrodynamics,QED)效应、电子关联效应等基本物理模型,还能够为天体物理、聚变等离子体物理甚至高电荷态离子光钟等研究提供关键原子物理数据.本工作基于... 详细信息

高电荷态离子精细结构跃迁波长的精密测量不仅可以检验量子电动力学(quantum electrodynamics,QED)效应、电子关联效应等基本物理模型,还能够为天体物理、聚变等离子体物理甚至高电荷态离子光钟等研究提供关键原子物理数据.本工作基于复旦大学现代物理研究所的高温超导电子束离子阱(SH-HtscEBIT)装置,搭建了一套新的光谱校刻系统,并结合内校刻与外校刻的方法对其光谱波长测量的不确定度进行了评估,新的光谱校刻系统在可见光波段引起的波长不确定度最低达到0.002.nm.在此基础上,使用SH-HtscEBIT装置结合新的校刻系统开展了Ar^(13+)离子1s^(2.2.^(2.2.^(2.P_(1/2.-^(2.P_(3/2.磁偶极跃迁(M1)波长的精密测量,实验测得该跃迁波长为(441.2.67±0.002.)nm,是目前SH-HtscEBIT上测量精度最高的实验结果,为下一步开展高电荷态离子超精细分裂和同位素位移等精密测量实验奠定了基础.

关键词：电子束离子阱禁戒跃迁精密测量高电荷态离子

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Simulation of Fusion Plasmas:Current Status and Future Direction

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Plasma science and technology 2007年第3期9卷 312-387页

作者： D.A.Batchelor M.Beck A.Becoulet R.V.Budny C.S.Chang P.H.Diamond J.Q.dong G.Y.FU A.Fukuyama T.S.Hahm D.E.Keyes Y.Kishimoto S.Klasky L.L.Lao K.Li Z.Lin B.Ludaescher J.manickam N.Nakajima T.Ozeki N.Podhorszki W.M.Tang M.A.Vouk R.E.Waltz S.J.wang H.R.Wilson X.Q.xu M.Yagi F.Zonca Oak Ridge National Laboratory Oak RidgeTN 37831USA 112. Volunteer Blvd Suite 203KnoxvilleTN 37996-3450USA AssociationEURATOM-CEA sur la Fusio n Contr■lée CEA Cadarache13108 Saint Paul lez Durance CedexFrance Princeton Plasma physics Laboratory Princeton UniversityPrincetonNJ 08543USA Courant Institute of mathematical sciences New York University251 Mercer StreetNew YorkNY 10012USA university of California at San Diego Dept.of Physics and Center for Astrophysics and Space SciencesLa JollaCA 92093USA Southwestern Institute of physics Chengdu 610041China department of Nuclear Engineering Kyoto UniversityKyoto 606-8501Japan Columbia university Department of Applied Physics and Applied MathematicsMC 4701New YorkNY 10027USA department of Fundamental Energy science Graduate School of Energy ScienceKyoto UniversityGokashoUjiKyoto 611-0011Japan General Atomics P.O.Box 85608San DiegoCA 92186USA department of Computer science Princeton University PrincetonNJ 08544USA department of physics and Astronomy University of CaliforniaIrvineCA 92697USA department of Computer science {2. of California DavisCA95616USA National Institute for Fusion science TokiGifu 509-5292Japan Japan Atomic Energy Agency Naka Fusion Research EstablishmentNaka-machiIbaraki-kenJapan department of Computer science North Carolina State UniversityRaleighNC 27695USA department of physics Fudan University200433 ShanghaiChina department of physics University of YorkHeslingtonYork YO10 5DD UK Lawrence Livermore National Laboratory LivermoreCA 94550USA Research Institute for Applied Mechanics Kyushu UniversityKasuga 816-8580Japan Associazione Euratom-ENEA sulla fusione CR FrascatiCasella Postale 65-00044FrascatiItaly

I. Introduction (Z. Lin, G. Y. Fu, J. Q. dong) II. Role of theory and simulation in fusion sciences 1. The Impact of theory and simulation on tokomak experiments (H. R. Wilson, T.S. Hahm and F. Zonca) 2. Tokomak Transport {2. for the Era of ITER: Issues for Simulations (P.H. Diamond and T.S. Hahm) III. Status of fusion simulation and modeling 1. nonlinear Governing Equations for Plasma Simulations (T. S. Hahm) 2. Equilibrium and stability (L.L. Lao, J. manickam) 3. Transport modeling (R.E. Waltz) 4. nonlinear MHD (G.Y. Fu) 5. Turbulence (Z. Lin and R.E. Waltz) 6. RF heating and current drive (D.A. Batchelor) 7. Edge {2. Simulations (X.Q. xu and C.S. Chang) 8. Energetic particle {2. (F. Zonca, G.Y. Fu and S.J. wang) 9. Time-dependent Integrated Modeling (R.V. Budny) 10. Validation and verification (J. manickam) IV. major initiatives on fusion simulation 1. US Scientific Discovery through Advanced Computing (SciDAC) Program & Fusion Energy science (W. Tang) 2. EU Integrated Tokamak Modelling (ITM) Task Force (A. Becoulet) 3. Fusion Simulations Activities in Japan (A. Fukuyama, N. Nakajima, Y. Kishimoto, T. Ozeki, and M. Yagi) V. Cross-disciplinary research in fusion simulation 1. Applied mathematics: Models, Discretizations, and Solvers (D.E. Keyes) 2. Computational science (K. Li) 3. Scientific Data and Workflow management (S. Klasky, M. Beck, B. Ludaescher, N. Podhorszki, M.A. Vouk) 4. Collaborative tools (J. manickam)

关键词： mode ITER

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4-1 Dielectronic Recombination of 36Ar15+ and 112.n34+ at the CSRm

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IMP & HIRFL Annual Report 2015年第1期 195-195页

作者： Huang Zhongkui ma Xinwen Wen Weiqiang wang Hanbing Chuai Xiaoya Dou Lijun Zhu Xiaolong xu Xin Zhu Linfan xu Weiqing mao Lijun Li Jie Zhang Xiaohu ma Xiaoming Yan Tailai Yang Jiancheng Yuan Youjin Xiao Guoqing Xia Jiawen Xie Luyou dong Chenzhong DR collaboration Institute of modern physics Chinese Academy of Sciences Lanzhou 730070 China College of physics and Electronic Engineering Northwest Normal University Lanzhou 730070 China department of modern {2. University of Science and Technology of China Hefei 230026 Anhui China department of mathematics and physics Bengbu University Bengbu 233030 Anhui China

The total recombination rate coefficients of lithium-like 36Ar15+ ions have been measured by employing the electron-ion merged-beams technique at the heavy ion storage ring CSRm at IMP[1]. Fig. 1 (a) shows the DR spectrum for electron energy from 0 to 35 eV in the center-of-mass (c.m.) frame involving all the DR resonances associated with 2.1=2.2.1=2.and 2.1=2.2.3=2.excitations.

关键词： Dielectronic Recombination 36Ar15+

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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 {2. DongguanChina Jinan university GuangzhouChina Sun Yat-Sen university GuangzhouChina Harbin Institute of technology HarbinChina university of science and {2. 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 {2. 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_(2.)^(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_(2.)^(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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Double K-shell Ionization of Ar by 197-MeV/u Xe^(54+)

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IMP & HIRFL Annual Report 2022年第1期 79-79页

作者： Shao Caojie Yu Deyang Yury SKozhedub ma Kun Song Zhangyong wang Wei xue Yingli Zhang Mingwu Liu Junliang Yang Bian dong Chenzhong Zhang Hongqiang Cai Xiaohong Institute of modern physics Chinese Academy of SciencesLanzhou 730000China department of physics St.Petersburg State UniversitySt.Petersburg 198504Russia School of Information Engineering Huangshan UniversityHuangshan 245041AnhuiChina College of physics and Electronic Engineering Northwest Normal UniversityLanzhou 730000China School of Nuclear science and technology Lanzhou UniversityLanzhou 730000China 不详

The K X-rays of multiply ionized argon atom were measured in single collisions of 197-MeV/u Xe^(54+)ions with an argon gas *** measured X-ray spectrum includes the Kα satellite(Kα^(s)),Kβ satellite(Kβ^(s)),K hyper... 详细信息

关键词： MeV/u multiply spectrum

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