理学—粒子物理与原子核物理

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相关机构：中国科学院中国科学院近代物理研究所中国原子能科学研究院北京大学更多>>
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Tuning Isomerism Effect in Organic Bulk Additives Enables Efficient and Stable Perovskite Solar Cells
《Nano-Micro Letters》2025年第5期193-205,共13页Qi Zhang Qiangqiang Zhao Han Wang Yiguo Yao Lei Li Yulin Wei Ruida Xu Chenyang Zhang Erik O.Shalenov Yongguang Tu Kai Wang Mingjia Xiao 
financially supported by the National Science Foundation of China(62474142);Natural Science Foundation of Shandong Province(No.ZR2024YQ070)。
Organic additives with multiple functional groups have shown great promise in improving the performance and stability of perovskite solar cells.The functional groups can passivate undercoordinated ions to reduce nonra...
关键词：Organic additives Molecular simulation Perovskite solar cells PASSIVATION Isomeric effect 
王志龙等:巴彦乌拉铀矿周围土壤中放射性测量及其健康风险评估13
《内蒙古民族大学学报(自然科学版)》2025年第2期7-15,共9页王志龙 蒙古夫 黄美容 白宇 李鑫 
国家自然科学基金项目(12365018);内蒙古自治区高等学校青年科技英才支持计划项目(NJYT23109);内蒙古自治区高等学校创新团队发展支持计划项目(NMGIRT2217);内蒙古自治区直属高校基本科研业务费项目(GXKY22061);内蒙古自治区自然科学基金项目(2023MS01005)。
测量巴彦乌拉铀矿周围土壤中的放射性核素含量,并评估环境放射性及其对居民健康的潜在影响。通过采集铀矿区周边30 km范围内的43份土壤样品,利用超低本底高纯锗γ能谱仪对核素含量进行了测定,并应用ArcGIS10.8软件分析了核素分布。结果...
关键词：铀矿 土壤 放射性 健康风险 
中低能质子与铜反应截面的贝叶斯神经网络计算研究
《内蒙古民族大学学报(自然科学版)》2025年第2期16-22,共7页黄永顺 黄美容 张苏雅拉吐 
国家自然科学基金项目(12365018);内蒙古自治区高等学校青年科技英才支持计划项目(NJYT23109);内蒙古自治区高等学校创新团队发展支持计划项目(NMGIRT2217);内蒙古自治区直属高校基本科研业务费项目(GXKY22061);内蒙古自治区自然科学基金项目(2023MS01005)。
质子引发的散裂反应的产物截面数据是许多核反应应用中的关键基础,然而由于散裂反应涉及到的体系复杂且反应能量跨越3~4个数量级,现有的理论模型在截面预测上的准确性仍有不足。为了获取更高的预测精度,采用贝叶斯神经网络(Bayesian Neu...
关键词：贝叶斯神经网络 余核截面 natCu 
Climate space,traits,and the spread of nonnative plants in North America
《Plant Diversity》2025年第2期255-263,共9页Qinfeng Guo Hong Qian Shenhua Qian 
The future distribution of invading species depends on the climate space available and certain life history traits that facilitate invasion.Here,to predict the spread potential of plant species introduced in North Ame...
关键词：Climate-matching Biological invasion Life form NICHE Photosynthetic pathway Seed size 
Polarization structure transition of C-point singularities upon reflection
《Science China(Physics,Mechanics & Astronomy)》2025年第4期101-111,共11页Weiming Zhen Zhi-Cheng Ren Xi-Lin Wang Jianping Ding Hui-Tian Wan 
supported by the National Key Research and Development Program of China(Grant Nos.2023YFA1406903,and 2022YFA1404800);the National Natural Science Foundation of China(Grant Nos.12374307,12234009,and 12274215)。
This paper provides a comprehensive study of the polarization transition of reflected C-point singularities.The reflection of star-and lemon-type C-point paraxial vector beams at an air-dielectric interface is investi...
关键词：optical singularities optical vortices POLARIZATION REFLECTION structured light 
Preformed Cooper pairs in a triclinic iron pnictide superconductor
《Science China(Physics,Mechanics & Astronomy)》2025年第4期198-210,共13页Zezhong Li Wenshan Hong Honglin Zhou Xiaoyan Ma Uwe Stuhr Kaiyue Zeng Long Ma Ying Xiang Huan Yang Hai-Hu Wen Jiangping Hu Shiliang Li Huiqian Luo 
supported by the National Key Research and Development Program of China(Grant Nos.2023YFA1406100,2018YFA0704200;2020YFA0406000);the National Natural Science Foundation of China(Grant Nos.11822411,11874057,and 11961160699);the Strategic Priority Research Program(B)of the CAS(Grant Nos.XDB25000000;XDB33000000);the K.C.Wong Education Foundation(Grant No.GJTD-2020-01);the support from the Youth Innovation Promotion Association of CAS(Grant No.Y202001);the support from the Postdoctoral Innovative Talent program(Grant No.BX2021018);the China Postdoctoral Science Foundation(Grant No.2021M700250)。
Electron pairing along with phase coherence generates superconductivity below the critical temperature(T_(c)).In underdoped highT_ccuprates,these two quantum phenomena may occur at separate temperatures,which was late...
关键词：iron-based superconductors pnictides and chalcogenides nuclear magnetic resonance neutron inelastic scattering pseudogap regime 
Cd/Pb behavior during combustion in a coal-fired power plant and their spatiotemporal impacts on soils:New insights from Cd/Pb isotopes
《Journal of Environmental Sciences》2025年第4期582-593,共12页Yafei Xia Ting Gao Yuhui Liu Meng Qi Jian-Ming Zhu Hui Tong Yiwen Lv Chengshuai Liu 
supported by the National Natural Science Foundation of China(No.42025705);the Construction Project of Modern Agricultural Science and Technology Innovation Alliance of Guangdong Province,China(No.2023KJ112);the National Natural Science Foundation of China(Nos.41977291 and 42177242);the GDAS’Project of Science and Technology Development,China(No.2019GDASYL-0103048).
Coal power plants annually generate quantities of byproducts that release environmentally hazardous heavy metals like Cd and Pb.Understanding the behavior and spatiotemporal impacts on soils of these releases is cruci...
关键词：Heavy metal diffusion Coal combustion Source tracing Atmospheric deposition Isotope fractionation Soil pollution 
Exploring Lifshitz transition and superconductivity in 3R-NbS_(2) under pressure
《Chinese Physics B》2025年第3期161-166,共6页Kun Chen Xindeng Lv Simin Li Yanping Huang Tian Cui 
Project supported by the National Key R&D Program of China(Grant No.2022YFA1405500);the National Natural Science Foundation of China(Grant Nos.52072188 and 12304072);Program for Science and Technology Innovation Team in Zhejiang(Grant No.2021R01004);the Natural Science Foundation of Ningbo(Grant No.2021J121)。
The interplay between electronic topological phase transitions and superconductivity in the field of condensed matter physics has consistently captivated researchers.Here we have succeeded in modulating the Lifshitz t...
关键词：high pressure SUPERCONDUCTIVITY Lifshitz transition 3R-NbS_(2) 
Modification of the Sommerfeld effect due to coannihilator decays
《Chinese Physics C》2025年第3期1-16,共16页Feng Luo 
Supported by the Sun Yat-sen University Science Foundation。
In dark matter coannihilation scenarios,the Sommerfeld effect of coannihilators is usually important in the calculations of dark matter thermal relic abundance.Due to decays of coannihilators,two annihilating coannihi...
关键词：dark matter sommerfeld effect relic abundance coannihilation 
Soft pattern of Rutherford scattering from heavy target mass expansion
《Chinese Physics C》2025年第3期17-27,共11页Yu Jia Jia-Yue Zhang 
Supported in part by the National Natural Science Foundation of China(11925506,12475090).
We investigate the soft behavior of the tree-level Rutherford scattering process.We consider two types of Rutherford scattering processes:One in which a low-energy massless point-like projectile(say,a spin-1/2 or spin...
关键词：Rutherford scattering nucleus structure heavy quark effective theory NRQED 
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