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POSITRON: 作品数：363被引量：378H指数：9; 导出分析报告; 相关领域：理学医药卫生更多>>; 相关作者：唐刚华王朋李石磊王淑侠何山震更多>>; 相关机构：《临床超声医学杂志》编辑部中国科学院中山大学附属第一医院广东省人民医院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划广西壮族自治区自然科学基金更多>>

Nonlinear ion acoustic waves in multicomponent plasmas with nonthermal electrons-positron and bipolar ions: 《Chinese Physics B》2024年第12期324-332,共9页Mai-Mai Lin Chen-Guang Song Fu-Yan Chen Ming-Yue Wang; This paper studied the propagating characteristics of(2+1)-dimensional nonlinear ion acoustic waves in a multicomponent plasma with nonthermal electrons,positrons,and bipolar ions.The dispersion relations are initiall...; 关键词：nonlinear ion acoustic waves nonthermal electrons bipolar ions Sagdeev potential method

Landau quantization effects on damping Kawahara solitons in electron–positron–ion plasma in rotating ionized medium: 《Communications in Theoretical Physics》2024年第10期141-150,共10页E I El-Awady S Hussain N Akhtar; For the dynamics of three-dimensional electron–positron–ion plasmas,a fluid quantum hydrodynamic model is proposed by considering Landau quantization effects in dense plasma.Ion–neutral collisions in the presence o...; 关键词：Kawahara equation solitary and cnoidal waves quantum plasma magnetoplasmas Landau quantization Coriolis force

Experimental measurements of gamma-photon production and estimation of electron/positron production on the PETAL laser facility: 《Matter and Radiation at Extremes》2024年第5期32-47,共16页F.Brun L.Ribotte G.Boutoux X.Davoine P.E.Masson-Laborde Y.Sentoku N.Iwata N.Blanchot D.Batani I.Lantuéjoul L.Lecherbourg B.Rosse C.Rousseaux B.Vauzour D.Raffestin E.D’Humières X.Ribeyre; support by GENCI France through awarding us access to HPC resources at TGCC/CCRT(Grant Nos.A0110512943 and A0130512943);funded by the French Agence Nationale de la Recherche under Grant No.ANR-10-EQPX-42-01;funded by the LabEx LAPHIA of the University of Bordeaux under Grant No.ANR-10-IDEX-03-02.; This article reports the first measurements of high-energy photons produced with the high-intensity PETawatt Aquitaine Laser(PETAL)laser.The experiments were performed during the commissioning of the laser.The laser h...; 关键词：process POSITRON HYPOTHESIS

Inner-shell ionization cross sections of atoms by positron impact: 《Communications in Theoretical Physics》2024年第6期142-147,共6页Yuan-Cheng Wang Jia Ma Li-Guang Jiao Stephan Fritzsche; supported by the National Natural Science Foundation of China(Grant No.12174147);the Chinese Scholarship Council(Grant Nos.202108210152 and 202006175016).; The relativistic binary-encounter-Bethe model with Wannier-type threshold law is employed to obtain the inner-shell ionization cross sections of multi-electron atoms(Ni,Cu,Y,Ag,Au,Yb,Ta,and Pb)for positron impact ener...; 关键词：positron scattering ionization cross section binary-encounter-Bethe model

Searching for the light leptophilic gauge boson Zx via four-lepton final states at the CEPC: 《Chinese Physics C》2024年第4期59-67,共9页岳崇兴李妍钰王美舒羽张欣蒙; the National Natural Science Foundation of China(11875157,12147214)。; We investigate the possibility of detecting the leptophilic gauge boson Z_(x) predicted by the U(1)Le−Lμmodel via the processes e+e−→ℓ^(+)ℓ^(−)Z_(x)(Z_(x)→ℓ^(+)ℓ^(−))and e+e−→ℓ^(+)ℓ^(−)Z_(x)(Z_(x)→νℓ¯νℓ)at the...; 关键词：light gauge boson Z_(x) U(1)L_(e)-L_(μ)model Circular Electron Positron Collider

Electrostatic Attraction and Repulsion Explained and Modelled Mathematically Using Classical Physics—A Detailed Mechanism Based on Particle Wave Functions: 《Journal of Applied Mathematics and Physics》2024年第4期1050-1062,共13页Declan Traill; The phenomenon of electrical attraction and repulsion between charged particles is well known, and described mathematically by Coulomb’s Law, yet until now there has been no explanation for why this occurs. There has...; 关键词：ELECTROSTATIC Electron POSITRON COULOMB Force ATTRACTION REPULSION Wave Function Electric Magnetic Radiation Pressure Shell THEOREM 3D Computer Model Quantum

Mathematical Wave Functions and 3D Finite Element Modelling of the Electron and Positron: 《Journal of Applied Mathematics and Physics》2024年第4期1134-1162,共29页Declan Traill; The wave/particle duality of particles in Physics is well known. Particles have properties that uniquely characterize them from one another, such as mass, charge and spin. Charged particles have associated Electric an...; 关键词：ELECTRON POSITRON Wave Function Solution Electromagnetic Spin Mass Charge Proof Fundamental Particle Properties Quantum Mechanics Classical Physics Computer 3D Model Schrödinger Equation RMS KLEIN GORDON Electric Magnetic Lorentz Invariant Hertzian Vector Point Potential Field Density Phase Flow Attraction REPULSION Shell Theorem Ehrenfest VIRIAL Normalization Harmonic Oscillator

Imaging of pain using positron emission tomography: 《iRADIOLOGY》2024年第3期339-361,共23页Yu‐Peng Zhou Lauren L.Zhang Yang Sun Pedro Brugarolas; National Institute of Biomedical Imaging and Bioengineering,Grant/Award Number:K99EB033407;National Institute of Neurological Disorders and Stroke,Grant/Award Number:R21NS120139。; Positron emission tomography(PET)is a noninvasive molecular imaging technique that utilizes biologically active radiolabeled compounds to image biochemical processes.As such,PET can provide important pathophysiologica...; 关键词：MOLECULAR IMAGING PAIN PET TRACER POSITRON emission TOMOGRAPHY

On-chip ultrafast stackable dielectric laser positron accelerator: 《Chinese Physics B》2024年第3期350-354,共5页孙斌何阳帆潘晨浩樊思劼王度王少义赵宗清; supported by the National Natural Science Foundation of China(Grant No.11975214).; We present a first on-chip positron accelerator based on dielectric laser acceleration.This innovative approach significantly reduces the physical dimensions of the positron acceleration apparatus,enhancing its feasib...; 关键词：dielectric laser accelerator positron accelerator high gradient accelerator inverse Cherenkov effect

STCF conceptual design report (Volume 1): Physics & detector被引量：3: 《Frontiers of physics》2024年第1期1-154,共154页M.Achasov X.C.Ai L.P.An R.Aliberti Q.An X.Z.Bai Y.Bai O.Bakina A.Barnyakov V.Blinov V.Bobrovnikov D.Bodrov A.Bogomyagkov A.Bondar I.Boyko Z.H.Bu F.M.Cai H.Cai J.J.Cao Q.H.Cao X.Cao Z.Cao Q.Chang K.T.Chao D.Y.Chen H.Chen H.X.Chen J.F.Chen K.Chen L.L.Chen P.Chen S.L.Chen S.M.Chen S.Chen S.P.Chen W.Chen X.Chen X.F.Chen X.R.Chen Y.Chen Y.Q.Chen H.Y.Cheng J.Cheng S.Cheng T.G.Cheng J.P.Dai L.Y.Dai X.C.Dai D.Dedovich A.Denig I.Denisenko J.M.Dias D.Z.Ding L.Y.Dong W.H.Dong V.Druzhinin D.S.Du Y.J.Du Z.G.Du L.M.Duan D.Epifanov Y.L.Fan S.S.Fang Z.J.Fang G.Fedotovich C.Q.Feng X.Feng Y.T.Feng J.L.Fu J.Gao Y.N.Gao P.S.Ge C.Q.Geng L.S.Geng A.Gilman L.Gong T.Gong B.Gou W.Gradl J.L.Gu A.Guevara L.C.Gui A.Q.Guo F.K.Guo J.C.Guo J.Guo Y.P.Guo Z.H.Guo A.Guskov K.L.Han L.Han M.Han X.Q.Hao J.B.He S.Q.He X.G.He Y.L.He Z.B.He Z.X.Heng B.L.Hou T.J.Hou Y.R.Hou C.Y.Hu H.M.Hu K.Hu R.J.Hu W.H.Hu X.H.Hu Y.C.Hu J.Hua G.S.Huang J.S.Huang M.Huang Q.Y.Huang W.Q.Huang X.T.Huang X.J.Huang Y.B.Huang Y.S.Huang N.Hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia H.B.Jiang J.Jiang S.Z.Jiang J.B.Jiao Z.Jiao H.J.Jing X.L.Kang X.S.Kang B.C.Ke M.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin Y.Lei E.Levichev C.H.Li C.Li D.Y.Li F.Li G.Li G.Li H.B.Li H.Li H.N.Li H.J.Li H.L.Li J.M.Li J.Li L.Li L.Li L.Y.Li N.Li P.R.Li R.H.Li S.Li T.Li W.J.Li X.Li X.H.Li X; supported by the National Key R&D Program of China under Contract No.2022YFA1602200;the International Partnership Program of the Chineses Academy of Sciences under Grant No.211134KYSB20200057;the STCF Key Technology Research and Development Project.; The superτ-charm facility(STCF)is an electron–positron collider proposed by the Chinese particle physics community.It is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of...; 关键词：electron–positron collider tau-charm region high luminosity STCF detector conceptual design

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