RADIOACTIVITY

作品数：150被引量：131H指数：5
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Systematic study on heavy-particle radioactivity of superheavy nuclei ^(297–300)119
《Nuclear Science and Techniques》2024年第11期108-123,共16页Megha Chandran V.K.Anjali K.P.Santhosh 
In the current study,we examined every possible cluster-daughter combination in the heavy-particle decay of isotopes ^(297-300)119 and computed the decay half-lives using the modified generalized liquid drop model(MGL...
关键词：Cluster radioactivity Alpha radioactivity Superheavy nuclei 
Two-proton radioactivity from excited states of proton-rich nuclei within Coulomb and Proximity Potential Model被引量：1
《Nuclear Science and Techniques》2023年第9期1-7,共7页De-Xing Zhu Yang-Yang Xu Li-Jia Chu Xi-Jun Wu Biao He Xiao-Hua Li 
supported by the National Natural Science Foundation of China(Nos.12175100 and 11975132);the Construct Program of the Key Discipline in Hunan Province,the Research Foundation of Education Bureau of Hunan Province,China(No.18A237);the Natural Science Foundation of Hunan Province,China(No.2018JJ2321);the Innovation Group of Nuclear and Particle Physics in USC,the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China(No.2019KFZ10).
In the present work,we extend the Coulomb and Proximity Potential Model(CPPM)to study two-proton(2p)radioactivity from excited states while the proximity potential is chosen as AW95 proposed by Aage Withner in 1995.De...
关键词：2p radioactivity CPPM HALF-LIVES Excited state 
Two-proton radioactivity of the excited state within the Gamow-like and modified Gamow-like models被引量：3
《Nuclear Science and Techniques》2022年第10期1-10,共10页De-Xing Zhu Yang-Yang Xu Hong-Ming Liu Xi-Jun Wu Biao He Xiao-Hua Li 
supported by the National Natural Science Foundation of China(Nos.12175100 and 11975132);the Construct Program of the Key Discipline in Hunan Province;the Research Foundation of the Education Bureau of Hunan Province,China(No.18A237);the Natural Science Foundation of Hunan Province,China(No.2018JJ2321);the Innovation Group of Nuclear and Particle Physics in USC;the Opening Project of the Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China(No.2019KFZ10)。
In this study,we systematically investigated the two-proton(2p)radioactivity half-lives from the excited state of nuclei near the proton drip line within the Gamowlike model(GLM)and modified Gamow-like model(MGLM).The...
关键词：2p radioactivity Gamow-like model Halflife Excited state 
Low-radioactivity ultrasonic hydrophone used in positioning system for Jiangmen Underground Neutrino Observatory
《Nuclear Science and Techniques》2022年第6期102-113,共12页Duo Teng Jiang-Lai Liu Guo-Lei Zhu Yue Meng Yuan-yuan Zhang Tao Zhang Kai Luo Rui Li Jia-Qi Hui 
supported by the“trategic Priority Research Program”of the Chinese Academy of Sciences(No.XDA10010800);the National Natural Science Foundation of China(No.12074318)。
To satisfy the accurate positioning requirement of the calibration source in the Jiangmen Underground Neutrino Observatory, a Tonpilz-type hydrophone with low radioactivity and high electroacoustics is developed.The r...
关键词：JUNO Liquid scintillator Tonpilz hydrophone Low radioactivity Sensitivity DIRECTIVITY Finite element 
Screener3D:a gaseous time projection chamber for ultra-low radioactive material screening被引量：1
《Nuclear Science and Techniques》2021年第12期103-115,共13页Hai-Yan Du Cheng-Bo Du Karl Giboni Ke Han Sheng-Ming He Li-Qiang Liu Yue Meng Shao-Bo Wang Tao Zhang Li Zhao Ji-Fang Zhou 
the Ministry of Science and Technology of China(No.2016YFA0400302);the National Natural Sciences Foundation of China(Nos.11775142 and U1965201);the Chinese Academy of Sciences Center for Excellence in Particle Physics(CCEPP).
In experiments searching for rare signals,background events from the detector itself are some of the major factors limiting search sensitivity.Screening for ultra-low radioactive detector materials is becoming ever mo...
关键词：Charged-particle detector Surface a measurement Ultra-low radioactivity Material screening 
Investigation of decay modes of superheavy nuclei被引量：3
《Nuclear Science and Techniques》2021年第11期146-162,共17页H.C.Manjunatha N.Sowmya P.S.Damodara Gupta K.N.Sridhar A.M.Nagaraja L.Seenappa S.Alfred Cecil Raj 
A detailed investigation of different decay modes,namely alpha decay,beta decay,cluster decay including heavy particle emission(Z_(c)>28),and spontaneous fission,was carried out,leading to the identification of new cl...
关键词：Alpha decay Beta decay Heavy-particle radioactivity Branching ratios 
Determination of gross α and β activities in Zouma River based on online HPGe gamma measurement system被引量：3
《Nuclear Science and Techniques》2020年第12期65-76,共12页Xian Guan Liang-Quan Ge Guo-Qiang Zeng Xiao-Qin Deng Li-Peng Xu Sheng-Liang Guo 
the National Science Foundation of China(No.41774147);the National Key R&D Program of China(No.2017YFC0602105);the Science–Technology Support Plan Projects of Sichuan Province(No.2020YJ0334);the Sichuan Science and Technology Program(No.2020JDRC0108).
This paper describes a low-cost and fast method to evaluate gross α and β^(-) radioactivities in natural water based on an online high-purity germanium detector gamma measurement system.The major gamma activities in...
关键词：Grossαandβ^(-)activity HPGe gamma spectrometer Online radioactivity level measurement for natural water Natural radioactivity Water sources of Chengdu 
Radar scattering width effects by coating 90Sr/90Y layers on cylindrical targets
《Nuclear Science and Techniques》2017年第4期66-73,共8页Xiang Wang Jia-Zhu Zhu Wei Liu Chi Cui Rui-Li Zhang Fei Zhou Tao Tang Run-Sheng Huang 
supported by the 863 Program through the Ministry of Science and Technology(No.2006AA03Z458);the National Natural Science Foundation of China(Nos.10904061 and 50977042)
In this paper,the ^(90)Sr/^(90)Y coating effects on scattering width(SW) of cylindrical conductor targets are investigated.The electron density distribution of plasma around cylindrical targets of different radiuses i...
关键词：RADIOACTIVITY Plasma CYLINDER Scattering WIDTH (SW) 
Measurement and Monte Carlo simulation of γ-ray dose rate in high-exposure building materials被引量：1
《Nuclear Science and Techniques》2017年第2期30-34,共5页A. Abbasi M. Hassanzadeh 
Natural radioactivity radionuclides in building materials, such as^(226)Ra,^(232)Th and^(40)K, cause indoor exposure due to their gamma-rays. In this research, in a standard dwelling room(5.0 m 9 4.0 m 9 2.8 m), with ...
关键词：RADIOACTIVITY Building materials Absorbed DOSE Experimental MCNP4C 
Use of sampling based correction for non-radioactivity X-ray energy calibration
《Nuclear Science and Techniques》2005年第3期167-170,共4页CHENGCheng WEIYong-Bo JIANGDa-Zhen 
As the requirement of non-radioactivity measurement has increased in recent years,various energy cali- bration methods applied in portable X-ray fluorescence (XRF) spectrometers have been developed. In this paper,a sa...
关键词：X-射线荧光谱仪 能量刻度 修正指数 辐射探测器 
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