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检索条件"机构=Center for Cosmology and Particle Physics and Center for Data Science"
5483 条 记 录,以下是11-20 订阅
排序:
Exploring hidden-charm and hidden-strange hexaquark states from lattice QCD
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science China(physics,Mechanics & Astronomy) 2024年 第1期67卷 30-37页
作者: Hang Liu Jinchen He Liuming Liu Peng Sun Wei Wang Yi-Bo Yang Qi-An Zhang INPAC Key Laboratory for Particle Astrophysics and Cosmology(MOE)Shanghai Key Laboratory for Particle Physics and CosmologySchool of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Maryland Center for Fundamental Physics Department of PhysicsUniversity of MarylandCollege ParkMaryland 20742USA Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China University of Chinese Academy of Sciences Beijing 100049China Department of Physics and Institute of Theoretical Physics Nanjing Normal UniversityNanjing 210023China Southern Center for Nuclear-Science Theory(SCNT) Institute of Modern PhysicsChinese Academy of SciencesHuizhou 516000China CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China School of Fundamental Physics and Mathematical Sciences Hangzhou Institute for Advanced StudyUCASHangzhou 310024China International Centre for Theoretical Physics Asia-Pacific Beijing 100049/Hangzhou 310024China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100049China School of Physics Beihang UniversityBeijing 102206China
Based on five different ensembles of newly generated(2+1)-flavor configurations with pion mass of approximately mπ■(140-310)MeV,we present a lattice analysis of hidden-charm and hidden-strange hexaquarks with the qu... 详细信息
来源: 评论
Valence mirror symmetry between Z=50 isotopes and N=82 isotones
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Physical Review C 2024年 第6期109卷 064306-064306页
作者: Y. Y. Zong C. Ma H. Jiang Y. M. Zhao Shanghai Key Laboratory of Particle Physics and Cosmology School of Physics and Astronomy School of Science Collaborative Innovation Center of IFSA (CICIFSA)
In this paper we study the valence mirror symmetry between the Sn (Z=50) isotopes and N=82 isotones, in the frameworks of the nuclear shell model (NSM) and its nucleon-pair approximation (NPA). The NPA energy spectra ... 详细信息
来源: 评论
NMSSM neutralino dark matter for CDFⅡW-boson mass and muon g-2 and the promising prospect of direct detection
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science China(physics,Mechanics & Astronomy) 2023年 第3期66卷 169-177页
作者: Tian-Peng Tang Murat Abdughani Lei Feng Yue-Lin Sming Tsai Jian Wu Yi-Zhong Fan Key Laboratory of Dark Matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210033China School of Astronomy and Space Science University of Science and Technology of ChinaHefei 230026China School of Physical Science and Technology Xinjiang UniversityUrumqi 830046China Joint Center for Particle Nuclear Physics and CosmologyNanjing University-Purple Mountain ObservatoryNanjing 210093China
Two experiments from the Fermilab, E989 and CDF II, have reported two anomalies for muon g-2 and W-boson mass that may indicate the new physics at the low energy scale. Here we examine the possibility of a common orig... 详细信息
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Identification of isoscalar spin-aligned pair condensation versus conventional isovector pairing correlation in Cd96 with Gamow-Teller transitions
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Physical Review C 2025年 第5期111卷 L051303-L051303页
作者: C. Ma X. Yin Y. M. Zhao School of Science Yanshan University Qinhuangdao 066004 China Shanghai Key Laboratory of Particle Physics and Cosmology School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 China Collaborative Innovation Center of IFSA (CICIFSA) Shanghai Jiao Tong University Shanghai 200240 China
The geometric similarity of wave functions assuming isoscalar spin-aligned and isovector pairing correlations challenges our understanding of the isospin nature for nucleon pairs in low-lying nuclear states. Instead o...
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Covariant quantum field theory of tachyons is unphysical
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Physical Review D 2024年 第11期110卷 115042-115042页
作者: Krzysztof Jodłowski Particle Theory and Cosmology Group Center for Theoretical Physics of the Universe Institute for Basic Science (IBS) Daejeon 34126 Korea
Tachyons have fascinated generations of physicists due to their peculiar behavior, but they did not solve any real physical problem. This may have changed with the recent works of Dragan et al. [J. Paczos et al., Cov...
来源: 评论
Black holes in Einstein-scalar-Gauss-Bonnet model probed with scattering amplitudes
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Physical Review D 2024年 第4期110卷 046025页
作者: Boris Latosh Miok Park Particle Theory and Cosmology Group Center for Theoretical Physics of the Universe Institute for Basic Science (IBS) Daejeon 34126 South Korea
We examined the quantum properties of scalar-tensor gravity with a coupling to the Gauss-Bonnet term in the low-energy limit, exploring both linear and quadratic couplings. We calculated the leading-order corrections ... 详细信息
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Position: Is machine learning good or bad for the natural sciences?  41
Position: Is machine learning good or bad for the natural sc...
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41st International Conference on Machine Learning, ICML 2024
作者: Hogg, David W. Villar, Soledad Center for Cosmology and Particle Physics Department of Physics New York University United States Max-Planck-Institut für Astronomie Heidelberg Germany Flatiron Institute New York United States Department of Applied Mathematics and Statistics Johns Hopkins University United States Mathematical Institute for Data Science Johns Hopkins University United States
Machine learning (ML) methods are having a huge impact across all of the sciences. However, ML has a strong ontology-in which only the data exist-and a strong epistemology-in which a model is considered good if it per...
来源: 评论
Cosmological perturbations in the energy-momentum squared gravity theory:constraints from gravitational wave standard sirens and redshift space distortions
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Chinese physics C 2025年 第4期49卷 199-208页
作者: Qi-Ming Fu Xin Zhang Institute of Physics Shaanxi University of TechnologyHanzhong 723000China Lanzhou Center for Theoretical Physics Key Laboratory of Theoretical Physics of Gansu Provinceand Key Laboratory of Quantum Theory and Applications of MoELanzhou UniversityLanzhou 730000China Key Laboratory of Cosmology and Astrophysics(Liaoning)&College of Sciences Northeastern UniversityShenyang 110819China Key Laboratory of Data Analytics and Optimization for Smart Industry(Ministry of Education) Northeastern UniversityShenyang 110819China National Frontiers Science Center for Industrial Intelligence and Systems Optimization Northeastern UniversityShenyang 110819China
We investigate the linear cosmological perturbations in the context of the so-called energy-momentum squared gravity(EMSG)*** research shows that the EMSG theory can reproduce a viable background cosmological evolutio... 详细信息
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Layout optimization and performance analysis of large array of imaging atmospheric Cherenkov telescopes
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Chinese physics C 2025年 第3期49卷 161-170页
作者: Zhipeng Zhang Ruizhi Yang Shoushan Zhang Zhen Xie Jiali Liu Liqiao Yin Yudong Wang Lingling Ma Zhen Cao School of Astronomy and Space Science University of Science and Technology of ChinaHefei 230026China CAS Key Laboratory for Research in Galaxies and Cosmology Department of AstronomyUniversity of Science and Technology of ChinaHefei 230026China Deep Space Exploration Laboratory/School of Physical Sciences University of Science and Technology of ChinaHefei 230026China Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsBeijing 100049China Department of Physics University of Chinese Academy of SciencesBeijing 100049China Tianfu Cosmic Ray Research Center Chengdu 610299China
The large array of imaging atmospheric Cherenkov telescopes(LACT)is a planned array of 32 Cherenkov telescopes,each featuring 6-m diameter mirrors,to be constructed at the LHAASO *** study focused on optimizing the ar... 详细信息
来源: 评论
Non-Gaussianity from two-field warm inflation
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Physical Review D 2024年 第8期110卷 083522页
作者: Yi-Yang Shi Chun-Shuo Jia Xi-Bin Li Xiao-Min Zhang Narsu Bai College of Physics and Electronic Information Research center of particle physics and cosmology Department of Physics School of Science Inner Mongolia Key Laboratory for Physics and Chemistry of Functional Materials
Two-field models are introduced in the warm inflation to analyze the primordial non-Gaussianity of gauge-invariant perturbation. With the assumptions of slow-roll approximation, strong dissipation and temperature inde... 详细信息
来源: 评论