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Deformed relativistic Hartree-Bogoliubov theory in continuum with a point-coupling functional: Examples of even-even Nd isotopes

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Physical Review C 2020年第2期102卷 024314-024314页

作者： Kaiyuan Zhang (张开元) Myung-Ki Cheoun Yong-Beom Choi Pooi Seong Chong Jianmin Dong (董建敏) Lisheng Geng (耿立升) Eunja Ha Xiaotao He (贺晓涛) Chan Heo Meng Chit Ho Eun Jin In Seonghyun Kim Youngman Kim Chang-Hwan Lee Jenny Lee Zhipan Li (李志攀) Tianpeng Luo (骆天鹏) Jie Meng (孟杰) Myeong-Hwan Mun Zhongming Niu (牛中明) Cong Pan (潘琮) Panagiota Papakonstantinou Xinle Shang (尚新乐) Caiwan Shen (沈彩万) Guofang Shen (申国防) Wei Sun (孙玮) Xiang-Xiang Sun (孙向向) Chi Kin Tam Thaivayongnou Chen Wang (王晨) Sau Hei Wong Xuewei Xia (夏学伟) Yijun Yan (晏一珺) Ryan Wai-Yen Yeung To Chung Yiu Shuangquan Zhang (张双全) Wei Zhang (张炜) Shan-Gui Zhou (周善贵) State Key Laboratory of Nuclear Physics and Technology School of Physics Peking University Beijing 100871 China Department of Physics and Origin of Matter and Evolution of Galaxy (OMEG) Institute Soongsil University Seoul 156-743 Korea Department of Physics Pusan National University Busan 46241 Korea Department of Physics The University of Hong Kong Pokfulam 999077 Hong Kong Institute of Modern Physics Chinese Academy of Sciences Lanzhou 730000 China School of Physics University of Chinese Academy of Sciences Beijing 100049 China School of Physics Beihang University Beijing 102206 China College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China Department of Energy Science Sungkyunkwan University Suwon 16419 Korea Rare Isotope Science Project Institute for Basic Science Daejeon 305-811 Korea School of Physical Science and Technology Southwest University Chongqing 400715 China Korea Institute of Science and Technology Information Daejeon 34141 Korea School of Physics and Materials Science Anhui University Hefei 230601 China Institute of Physical Science and Information Technology Anhui University Hefei 230601 China Institute for Basic Science Rare Isotope Science Project Daejeon 34000 South Korea School of Science Huzhou University Huzhou 313000 China CAS Key Laboratory of Theoretical Physics Institute of Theoretical Physics Chinese Academy of Sciences Beijing 100190 China School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China School of Physics and Electronic Engineering Center for Computational Sciences Sichuan Normal University Chengdu 610068 China School of Physics and Microelectronics Zhengzhou University Zhengzhou 450001 China Center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Accelerator Lanzhou 730000 China Synergetic Innovation Center for Quantum Effects and Application Hunan Normal University Changsha 410081 China

Background: The study of exotic nuclei far from the β stability line is stimulated by the development of radioactive ion beam facilities worldwide and brings opportunities and challenges to existing nuclear theories. Including self-consistently the nuclear superfluidity, deformation, and continuum effects, the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) has turned out to be successful in describing both stable and exotic nuclei. Due to several challenges, however, the DRHBc theory has only been applied to study light nuclei so far.

关键词： Binding energy & masses Charge distributions Energy levels & level densities nuclear structure & decays nuclear many-body theory

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An Ultra-Short-Term Pre-Plan Power Curve based Smoothing Control Approach for Grid-connected Wind-Solar-Battery Hybrid Power System

引用

IFAC-PapersOnLine 2017年第1期50卷 7711-7716页

作者： Peng C. Zou J. Zhang Z. Han L. Liu M. School of Automation Engineering University of Electronic Science and Technology of China Chengdu 611731 China College of Electrical & Information Engineering Southwest University for Nationalities Chengdu 610041 China

Recently, wind-solar-battery hybrid power generation has become one of the most popular methods to tackle the grid integrating problem of wind and solar power. A novel ultra-short-term pre-plane power curve based smoothing control approach is proposed for grid-connected wind-solar-battery hybrid power system (WSBHPS). A pre-plan power curve based scheduling module, which takes the grid limitation of maximum powers fluctuation, maximizing wind and solar power utilization and reducing use of battery energy storage system(BESS) as objectives, is designed according to ultra-short-term prediction information of wind and solar power and state of charging (SOC) of BESS. A real-time power fluctuation compensation module is designed based on weighted moving average filtering algorithm to smooth power fluctuation in real time. The results of simulation experiments show that the proposed approach could not only reduce the use of BESS, but also has better smoothing effectiveness compared with traditional low filter based smoothing control approach. © 2017

关键词： Pre-plan power curve real time power fluctuation compensation ultra-short-term power prediction Wind-solar-battery storage hybrid power system

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A method of reconstructing complex stratigraphic surfaces with multitype fault constraints

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applied Geophysics 2017年第2期14卷 195-204,322页

作者： Deng Shi-Wu Jia Yu Yao Xing-Miao Liu Zhi-Ning School of Nuclear Technology and Automation Engineering Chengdu University of Technology Chengdu 610059 China School of Resources and Environment University of Electronic and Technology of China Chengdu 611731 China.

The construction of complex stratigraphic surfaces is widely employed in many fields, such as petroleum exploration, geological modeling, and geological structure analysis. It also serves as an important foundation for data visualization and visual analysis in these fields. The existing surface construction methods have several deficiencies and face various difficulties, such as the presence of multitype faults and roughness of resulting surfaces. In this paper, a surface modeling method that uses geometric partial differential equations （PDEs） is introduced for the construction of stratigraphic surfaces. It effectively solves the problem of surface roughness caused by the irregularity of stratigraphic data distribution. To cope with the presence of multitype complex faults, a two-way projection algorithm between three- dimensional space and a two-dimensional plane is proposed. Using this algorithm, a unified method based on geometric PDEs is developed for dealing with multitype faults. Moreover, the corresponding geometric PDE is derived, and an algorithm based on an evolutionary solution is developed. The algorithm proposed for constructing spatial surfaces with real data verifies its computational efficiency and its ability to handle irregular data distribution. In particular, it can reconstruct faulty surfaces, especially those with overthrust faults.

关键词： Partial differential equation surface reconstruction interpolation fault meshing

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Constraints on spin-independent nucleus scattering with sub-GeV WIMP dark matter from the CDEX-1B Experiment at CJPL

arXiv

引用

arXiv 2019年

作者： Liu, Z.Z. Yue, Q. Yang, L.T. Kang, K.J. Li, Y.J. Wong, H.T. Agartioglu, M. An, H.P. Chang, J.P. Chen, J.H. Chen, Y.H. Cheng, J.P. Deng, Z. Du, Q. Gong, H. Guo, X.Y. He, L. He, S.M. Hu, J.W. Hu, Q.D. Huang, H.X. Jia, L.P. Jiang, H. Li, H.B. Li, H. Li, J.M. Li, J. Li, X. Li, X.Q. Li, Y.L. Liao, B. Lin, F.K. Lin, S.T. Liu, S.K. Liu, Y.D. Liu, Y.Y. Ma, H. Ma, J.L. Ning, J.H. Pan, H. Qi, N.C. Ren, J. Ruan, X.C. Sharma, V. She, Z. Singh, L. Singh, M.K. Sun, T.X. Tang, C.J. Tang, W.Y. Tian, Y. Wang, G.F. Wang, L. Wang, Q. Wang, Y. Wu, S.Y. Wu, Y.C. Xing, H.Y. Xu, Y. Xue, T. Yi, N. Yu, C.X. Yu, H.J. Yue, J.F. Zeng, M. Zeng, Z. Zhang, F.S. Zhao, M.G. Zhou, J.F. Zhou, Z.Y. Zhu, J.J. Department of Engineering Physics Tsinghua University Beijing100084 China Institute of Physics Academia Sinica Taipei11529 Taiwan Department of Physics Dokuz Eylül University Izmir35160 Turkey Department of Physics Tsinghua University Beijing100084 China NUCTECH Company Beijing100084 YaLong River Hydropower Development Company Chengdu610051 College of Nuclear Science and Technology Beijing Normal University Beijing100875 China College of Physical Science and Technology Sichuan University Chengdu610065 China Department of Nuclear Physics China Institute of Atomic Energy Beijing102413 China School of Physics Nankai University Tianjin300071 China Department of Physics Banaras Hindu University Varanasi221005 India Department of Physics Beijing Normal University Beijing100875 China

We report results on the searches of weakly interacting massive particles (WIMPs) with sub-GeV masses (mχ) via WIMP-nucleus spin-independent scattering with Migdal effects and bremsstrahlung emissions incorporated. Analysis on time-integrated (TI) and annual modulation (AM) effects on CDEX-1B data are performed, with 737.1 kg·day exposure and 160 eVee threshold for TI analysis, 1107.5 kg·day exposure and 250 eVee threshold for AM analysis. The sensitive windows in mχare expanded by an order of magnitude. New limits on σSIχNat 90% confidence level at mχ∼ 0.05-0.18 GeV/c2and 0.075-3.0 GeV/c 2in the TI and AM analysis are derived, respectively. Copyright © 2019, The Authors. All rights reserved.

关键词： Germanium alloys

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Design, manufacturing and recycling in product lifecycle: New challenges and trends 4

Design, manufacturing and recycling in product lifecycle: Ne...

引用

4th IEEE International Conference on Universal Village, UV 2018

作者： Zhou, Longfei Cao, Shengsheng Liu, Jiaxin Tan, Tian Du, Fuxin Fang, Yajun Zhang, Lin Computer Science and Artificial Intelligence Laboratory Massachusetts Institute of Technology CambridgeMA United States Institute of Education Tsinghua University Beijing China University of Electronic Science and Technology of China Chengdu China International Recycling GLE Group OrlandoFL United States College of Information Mechanical and Electrical Engineering Shanghai Normal University Shanghai China Computer Science and Artificial Intelligence Laboratory Massachusetts Institute of Technology BostonMA United States School of Automation Science and Electrical Engineering Beihang University Beijing China

ISBN: (纸本)9781538651971

Development of new technologies such as Internet of Things, Cloud-based Platform and Artificial Intelligence has brought new challenges and opportunities to the whole product lifecycle. Design, manufacturing and recycling are the most important stages in the product lifecycle. This paper analyzes new challenges and development trends of product lifecycle in terms of individualized design, intelligent manufacturing and new recycling. The effects of new technologies on product lifecycle management and optimization are also discussed. In product design, we discussed the relationship between requirements, design and products. In manufacturing, we analyzed challenges in manufacturing processes and new trends such as cloud manufacturing and intelligent manufacturing. In recycling, we reviewed the problems in recycling and discussed the new methods. © 2018 IEEE.

关键词： Recycling

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Multi-objective optimization of SOFC systems

引用

IOP Conference Series: Earth and Environmental Science 2019年第1期257卷

作者： Xiaojuan Wu Ling He Danhui Gao Yuanyuan Zhu Associate professor School of Automation Engineering University of Electronic Science and Technology of China Chengdu China Student School of Automation Engineering University of Electronic Science and Technology of China Chengdu China Lecturer Department of biology and chemical engineering ZhiXing College of HuBei University Wuhan China

For solid oxide fuel cell (SOFC) development, maximizing its electrical efficiency and minimizing its cost are two important optimization objects. A new optimization strategy is proposed in this work, which can maximize the SOFC electrical efficiency and minimize the cost in the case of an air leakage fault. The proposed optimization method involves a fault diagnosis module, a switching module and two backup optimizers. The fault diagnosis part is employed to identify the SOFC current fault type, and the switching module is used to select the appropriate backup optimizer. For the efficiency and cost are two conflicting objectives, the multi-objective optimization strategy based on a non-dominated sorting particle swarm optimization algorithm is applied to determine the trade-off solutions. The optimization results show the proposed method can achieve the maximum efficiency and the minimum cost in the case of SOFC normal, and even in the air leakage fault.

关键词：

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Analytical and numerical studies on the nonlinear dynamic response of orthotropic membranes under impact load

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Earthquake engineering and engineering Vibration 2016年第4期15卷 657-672页

作者： Liu Changjiang Zheng Zhoulian Yang Xiaoyan State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology College of Environment and Civil Engineering Chengdu University of Technology College of Civil Engineering Chongqing University College of Nuclear Technology and Automation Engineering Chengdu University of Technology

Orthotropic membrane components and structures are widely used in building structures, instruments and meters, electronic engineering, space and aeronautics, etc., because of their light weights. However, the same lightweight combined with low stiffness make membranes prone to vibration under dynamic loads, and in some cases the vibration may lead to structural failure. Herein, the undamped nonlinear vibration response of pretension rectangular orthotropic membrane structures subjected to impact loading is studied by analytical and numerical methods. The analytical solution is obtained by solving the governing equations by the Bubnov-Galerkin method and the Lindstedt-Poincare perturbation method. Numerical analysis has also been carried out based on the same theoretical model. The analytical and numerical results have been compared and analyzed, and the influence of various model parameters on membrane vibration discussed. The results obtained herein provide some theoretical basis for the vibration control and dynamic design of orthotropic membrane components and structures.

关键词： membrane nonlinear vibration numerical analysis impact load parameter analysis

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Direct detection constraints on dark photon with CDEX-10 experiment at CJPL

arXiv

引用

arXiv 2019年

作者： She, Z. Jia, L.P. Yue, Q. Ma, H. Kang, K.J. Li, Y.J. Agartioglu, M. An, H.P. Chang, J.P. Chen, J.H. Chen, Y.H. Cheng, J.P. Dai, W.H. Deng, Z. Geng, X.P. Gong, H. Gu, P. Guo, Q.J. Guo, X.Y. He, L. He, S.M. He, H.T. Hu, J.W. Huang, T.S. Huang, H.X. Li, H.B. Li, H. Li, J.M. Li, J. Li, M.X. Li, X. Li, X.Q. Li, Y.L. Liao, B. Lin, F.K. Lin, S.T. Liu, S.K. Liu, Y.D. Liu, Y.Y. Liu, Z.Z. Mao, Y.C. Nie, Q.Y. Ning, J.H. Pan, H. Qi, N.C. Qiao, C.K. Ren, J. Ruan, X.C. Sevda, B. Shang, C.S. Sharma, V. Singh, L. Singh, M.K. Sun, T.X. Tang, C.J. Tang, W.Y. Tian, Y. Wang, G.F. Wang, L. Wang, Q. Wang, Y. Wang, Y.X. Wang, Z. Wong, H.T. Wu, S.Y. Wu, Y.C. Xing, H.Y. Xu, Y. Xue, T. Yan, Y.L. Yang, L.T. Yi, N. Yu, C.X. Yu, H.J. Yue, J.F. Zeng, M. Zeng, Z. Zhang, B.T. Zhang, L. Zhang, F.S. Zhang, Z.Y. Zhao, M.G. Zhou, J.F. Zhou, Z.Y. Zhu, J.J. Department of Engineering Physics Tsinghua University Beijing100084 China Institute of Physics Academia Sinica Taipei11529 Taiwan Department of Physics Dokuz Eylül University Izmir35160 Turkey Department of Physics Tsinghua University Beijing100084 China NUCTECH Company Beijing 100084 YaLong River Hydropower Development Company Chengdu610051 College of Nuclear Science and Technology Beijing Normal University Beijing100875 China College of Physics Sichuan University Chengdu610064 China School of Physics Peking University Beijing100871 China Sun Yet-sen University Guangzhou510275 China Department of Nuclear Physics China Institute of Atomic Energy Beijing102413 China School of Physics Nankai University Tianjin300071 China College of Physical Science and Technology Sichuan University Chengdu610064 China Department of Physics Banaras Hindu University Varanasi221005 India Department of Physics Beijing Normal University Beijing100875 China

We present the constraints on the effective kinetic mixing parameter κ of dark photon with two p-type point-contact germanium detectors of CDEX-10 experiment at the China Jinping Underground Laboratory. We determine the exclusive limits on the κ of solar dark photon from the 205.4 kg×day exposure at 90% confidence level, probing new parameter space at masses of 10 to 300 eV in direct detection experiments. Considering dark photon as a dark matter candidate, the constraints for dark photon masses within 0.1-4.0 keV are set from the 449.6 kg×day data, with a minimum of 1.3×10−15 for 200 eV dark photon dark matter at 90% confidence level. Copyright © 2019, The Authors. All rights reserved.

关键词： Photons

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Improved limits on solar axions and bosonic dark matter from the CDEX-1B experiment using the profile likelihood ratio method

arXiv

引用

arXiv 2019年

作者： Wang, Y. Yue, Q. Liu, S.K. Kang, K.J. Li, Y.J. An, H.P. Chang, J.P. Chen, J.H. Chen, Y.H. Cheng, J.P. Dai, W.H. Deng, Z. Geng, X.P. Gong, H. Gu, P. Guo, X.Y. He, H.T. He, L. He, S.M. Hu, J.W. Huang, H.X. Huang, T.C. Jia, L.P. Li, H.B. Li, H. Li, M.X. Li, J.M. Li, J. Li, X. Li, X.Q. Li, Y.L. Liao, B. Lin, F.K. Lin, S.T. Liu, Y.D. Liu, Y.Y. Liu, Z.Z. Ma, H. Nie, Q.Y. Ning, J.H. Pan, H. Qi, N.C. Qiao, C.K. Ren, J. Ruan, X.C. Sharma, V. She, Z. Singh, L. Singh, M.K. Sun, T.X. Tang, C.J. Tang, W.Y. Tian, Y. Wang, G.F. Wang, L. Wang, Q. Wang, Z. Wong, H.T. Wu, S.Y. Wu, Y.C. Xing, H.Y. Xu, Y. Xue, T. Yan, Y.L. Yang, L.T. Yi, N. Yu, C.X. Yu, H.J. Yue, J.F. Zeng, X.H. Zeng, M. Zeng, Z. Zhang, B.T. Zhang, F.S. Zhang, L. Zhang, Z.Y. Zhao, M.G. Zhou, J.F. Zhou, Z.Y. Zhu, J.J. Key Laboratory of Particle and Radiation Imaging Ministry of Education Department of Engineering Physics Tsinghua University Beijing100084 China Department of Physics Tsinghua University Beijing100084 China College of Physics Sichuan University Chengdu610064 China NUCTECH Company Beijing100084 China Institute of Physics Academia Sinica Taipei11529 Taiwan YaLong River Hydropower Development Company Chengdu610051 China Department of Nuclear Physics China Institute of Atomic Energy Beijing102413 China Sino-French Institute of Nuclear and Technology Sun Yat-sen University Zhuhai519082 China School of Physics Nankai University Tianjin300071 China College of Nuclear Science and Technology Beijing Normal University Beijing100875 China Department of Physics Banaras Hindu University Varanasi221005 India Department of Physics Beijing Normal University Beijing100875 China

We present the improved constraints on couplings of solar axions and more generic bosonic dark matter particles using 737.1 kg-days of data from the CDEX-1B experiment. The CDEX-1B experiment, located at the China Jinping Underground Laboratory, primarily aims at the direct detection of weakly interacting massive particles using a p-type point-contact germanium detector. We adopt the profile likelihood ratio method for analysis of data in the presence of backgrounds. An energy threshold of 160 eV was achieved, much better than the 475 eV of CDEX-1A with an exposure of 335.6 kg-days. This significantly improves the sensitivity for the bosonic dark matter below 0.8 keV among germanium detectors. Limits are also placed on the coupling gAe −11 from Compton, bremsstrahlung, atomic-recombination and de-excitation channels and gANeff ×gAe −17 from a 57Fe M1 transition at 90% confidence level. Copyright © 2019, The Authors. All rights reserved.

关键词： Bosons

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Internal calibration of the pandaX-II detector with radon gaseous sources

arXiv

引用

arXiv 2020年

作者： Ma, Wenbo Abdukerim, Abdusalam Bo, Zihao Chen, Wei Chen, Xun Chen, Yunhua Cui, Xiangyi Fan, Yingjie Fang, Deqing Fu, Changbo Geng, Lisheng Giboni, Karl Giuliani, Franco Gu, Linhui Guo, Xuyuan Han, Ke He, Changda Huang, Di Huang, Yan Huang, Yanlin Huang, Zhou Ji, Peng Ji, Xiangdong Ju, Yonglin Lai, Yihui Liang, Kun Liu, Huaxuan Liu, Jianglai Ma, Yugang Mao, Yajun Meng, Yue Namwongsa, Parinya Ni, Kaixiang Ning, Jinhua Ning, Xuyang Ren, Xiangxiang Shang, Changsong Si, Lin Tan, Andi Wang, Anqing Wang, Hongwei Wang, Meng Wang, Siguang Wang, Qiuhong Wang, Xiuli Wang, Zhou Wu, Mengmeng Wu, Shiyong Xia, Jingkai Xiao, Mengjiao Xie, Pengwei Yan, Binbin Yang, Jijun Yang, Yong Yu, Chunxu Yuan, Jumin Zhang, Dan Zhang, Hongguang Zhang, Tao Zhao, Li Zheng, Qibin Zhou, Jifang Zhou, Ning Zhou, Xiaopeng INPAC and School of Physics and Astronomy Shanghai Jiao Tong University Shanghai Laboratory for Particle Physics and Cosmology Shanghai200240 China Yalong River Hydropower Development Company Ltd. 288 Shuanglin Road Chengdu610051 China Shandong University Jinan250100 China School of Physics Nankai University Tianjin300071 China School of Physics International Research Center for Nuclei and Particles in the Cosmos Beijing Key Laboratory of Advanced Nuclear Materials and Physics Beihang University Beijing100191 China School of Medical Instrument and Food Engineering University of Shanghai for Science and Technology Shanghai200093 China Tsung-Dao Lee Institute Shanghai200240 China School of Mechanical Engineering Shanghai Jiao Tong University Shanghai200240 China School of Physics Peking University Beijing100871 China Department of Physics University of Maryland College ParkMD20742 United States Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai201800 China Center of High Energy Physics Peking University Beijing100871 China University of Chinese Academy of Sciences Beijing100049 China

We have developed a low-energy electron recoil (ER) calibration method with 220Rn for the PandaX-II detector. 220Rn, emanated from natural thorium compounds, was fed into the detector through the xenon purification system. From 2017 to 2019, we performed three dedicated calibration campaigns with different radon sources. The detector response to α, β, and γ particles was studied, with focus on low energy ER events. The amount of radioactive background, including 222Rn and thorium particulate, was measured and found to be manageable in two sources. The background contribution from 214Pb was also measured for the first time in PandaX-II with help from a 222Rn injection. Copyright © 2020, The Authors. All rights reserved.

关键词： Calibration

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