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ELECTRON MOMENTUM SPECTRA OF EXCITED He(2~1S) AND He(2~3S)
作者姓名:Chen Zhangjin  Shi Qicun  Chen Ji  Xu Kezun
作者单位:Chen Zhangjin Shi Qicun Chen Ji Xu Kezun Department of Modern Physics,University of Science and Technology of China,Hefei,230026
摘    要:ELECTRONMOMENTUMSPECTRAOFEXCITEDHe(21S)ANDHe(23S)ChenZhangjinShiQicunChenJiXuKezunDepartmentofModernPhysics,UniversityofScien...


ELECTRON MOMENTUM SPECTRA OF EXCITED He(2 1S ) AND He(2 3S )
Chen Zhangjin,Shi Qicun,Chen Ji,Xu Kezun.ELECTRON MOMENTUM SPECTRA OF EXCITED He(2 1S ) AND He(2 3S )[J].Journal of Atomic and Molecular Physics,1997(1).
Authors:Chen Zhangjin  Shi Qicun  Chen Ji  Xu Kezun
Institution:Chen Zhangjin Shi Qicun Chen Ji Xu Kezun Department of Modern Physics,University of Science and Technology of China,Hefei,230026
Abstract:The electron momentum spectra of He(2 1S ) and He(2 3S ) is presented for the first time by calculating the triple differential cross sections (TDCS) for electron impact ionization of helium from the metastable states 2 1S and 2 3S in the non-coplanar symmetric geometry. The incident energy is an order of 1keV. The final state correlations between the scattered and ejected electrons in the continuum and the electron in the residual ion have been considered. The plane wave impulse approximation (PWIA) has also been performed for comparison.
Keywords:e  2e)  Metastable state  Triple differential cross section
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