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Variational Calculations for (ns2) 1Se, (np2) 1De and (nd2) 1Ge Resonance States for He Isoelectronic Sequences below the n = 2, 3 and 4 Hydrogenic Thresholds: 《Journal of Modern Physics》2023年第12期1617-1633,共17页Matabara Dieng; This work presents results of the different parameters which characterize the nonrelativistic Hamilton operator for the helium atoms allowing us to solve the Schrödinger equation. The total energy is decomposed into t...; 关键词：Hylleraas Method Helium-Like Ions Systems Singlet Doubly-Excited States Matrix Elements AUTOIONIZATION

Electron-impact ionization cross section calculations for lithium-like ions: 《Chinese Physics B》2022年第1期241-247,共7页Guo-Jie Bian Jyh-Ching Chang Ke-Ning Huang Chen-Sheng Wu Yong-Jun Cheng Kai Wang Yong Wu; the National Natural Science Foundation of China(Grant Nos.11934004 and U1832201);the Science Challenge Project(Grant No.TZ2016005);the CAEP Foundation(Grant No.CX2019022).; The electron-impact ionization of lithium-like ions C^(3+),N^(4+),O^(5+),Ne^(7+),and Fe2^(3+)is studied using a combination of two-potential distorted-wave and R-matrix methods with a relativistic correction.Total cro...; 关键词：total cross sections electron-impact ionization excitation-autoionization distorted-wave

Energy Positions of the 1,3DeRydberg Series of the He-Like Ions Up to the N= 9 Threshold: 《Journal of Applied Mathematics and Physics》2020年第8期1535-1549,共15页Matabara Dieng Babou Diop Malick Sow Youssou Gning Mamadi Biaye Ababacar Sadikhe Ndao Ahmadou Wagué; The doubly excited states of helium-like ions are investigated usin...; 关键词：Electronic Correlations Variational Calculations Atoms And Ions Helium-Like Systems Singlet States Triplet States Matrix Elements Doubly-Excited States AUTOIONIZATION

A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s^2, 3s^2, and 4s^2 states of He atom with a complex absorbing potential: 《Chinese Physics B》2017年第8期114-122,共9页Tsogbayar Tsednee Danny L Yeager; The self-consistent Hartree-Fock equation for the He atom is solved using the pseudospectral method. The Feshbach- type autoionization resonance parameters for doubly excited 2s2, 3s2, and 4s2 IS states of He have bee...; 关键词：self-consistent field Hartree-Fock equation helium autoionization pseudospectral method

Two-color spectroscopy of UV excited ssDNA complex with a single-wall nanotube photoluminescence probe： Fast relaxation by nucleobase autoionization mechanism: 《Nano Research》2016年第2期571-583,共13页Tetyana Ignatova Alexander Balaeff Michael Blades Ming Zheng: Peter Stoeckl Slava V. Rotkin; T. I. and S. V. R. acknowledge support by National Science Foundation （Nos. ECCS-1202398 and ECCS- 1509786）; P. S. acknowledges REU NSF （No. PHY- 1359195）. A. B. acknowledges the startup fund support from the University of Central Florida. The authors gratefully acknowledge access to facilities at the National Institute of Standards and Technology for PL measurements and the computational time support from the UCF Advanced Research Computing Center STOKES. We are thankful to Dr. J. Fagan as the host at NIST, Dr. J. Reimers for providing us with the CNDO code, and Dr. D. Roxbury for providing the MD trajectory.; DNA autoionization is a fundamental process wherein ultraviolet （UV）- photoexcited nucleobases dissipate energy by charge transfer to the environment without undergoing chemical damage. Here, single-wall carbon nano...; 关键词：single-wall nanotube optical spectroscopy two-color spectroscopy DNA autoionization DNA ultraviolet （UV） excitation quantum-mechanical modeling

Branching ratios of autoionization from Eu 4f^76p_(1/2)6d [J] autoionizing states被引量：3: 《Chinese Physics B》2015年第8期296-301,共6页闫俊刚沈礼梁洪瑞戴长建; supported by the National Natural Science Foundation of China(Grant No.11174218); The autoionization branching ratios from Eu 4f76p1/26 d [J] autoionizing states to its 4f76s+(9So), 4f76s+(7So), and4f75d+(9Do) final ionic states are investigated with the combination of the three-step laser excitati...; 关键词：Eu atom velocity-map imaging autoionizing state autoionization branching ratio

Autoionization spectra of Sm atom: 《Chinese Physics B》2013年第2期186-192,共7页赵艳红戴长建野仕伟; Project supported by the National Natural Science Foundation of China (Grant Nos. 11174218 and 10674102);the Natural Science Foundation of Tianjin,China (Grant No. 05YFJMJC05200); Spectra of autoionizing states of the Sm atom in an energy region between 45948.9 cm^-1 and 46943.6 cm^-1 are systematically investigated by a three-color multi-step resonant excitation scheme with three different exc...; 关键词：Sm atom autoionizing state three-color multi-step resonant excitation

Detailed Theoretical Investigations on the L-Shell Absorption of Open-M-Shell Germanium Plasmas:Effect of Autoionization Resonance Broadening: 《Journal of Modern Physics》2012年第10期1670-1677,共8页Wenjun Xiang Jiaolong Zeng Yongsheng Fu Cheng Gao; Radiative opacity of open-M-shell germanium plasmas in the L-shell photon energy region were investigated in detail by using a fully relativistic detailed level accounting approach. Among other physical effects such a...; 关键词：AUTOIONIZATION RESONANCE BROADENING GERMANIUM ABSORPTION Radiative Opacity

Emissivity: A Program for Atomic Transition Calculations: 《Communications in Computational Physics》2010年第5期1118-1130,共13页Taha Sochi; In this article we report the release of a new program for calculating emissivity and other physical parameters in atomic transition processes.The program,which can be downloaded with its documentation and a sample of...; 关键词：Atomic transition recombination AUTOIONIZATION EMISSIVITY computer code thermodynamic equilibrium decay routes Saha population

A Novel Observation of ＂a Sharp Absorption Line＂ Using Much More Broad Laser Lights： Quantum Interference in the Autoionization Spectra of Sc: 《Chinese Physics Letters》2010年第5期84-86,共3页钟志萍高翔张小乐李家明; Supported by the Ministry of Science and Technology of China and the Ministry of Education of China, the Key Project of the Ministry of Education （No 306020）, the National Natural Science Foundation of China under Grant No 10734040, the National High-Tech ICF Committee in China and the Yin-He Super-Computer Center, Institute of Applied Physics and Mathematics, Beijing, China, and the National Basic Research Program of China under Grant No 2006CB921408.; The most accurate measturements in physical sciences will be precision spectroscopic experiments which are based on the usage of most narrow lines in cooperation with interference phenomena. We present a novel experim...

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