DISSOCIATIVE CROSS-SECTIONS OF H-2 BY ELECTRON-IMPACT

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题名:	DISSOCIATIVE CROSS-SECTIONS OF H-2 BY ELECTRON-IMPACT
作者:	LIU,JW;HAGSTROM,S
贡献者:	物理研究所
关键词:	FAST CHARGED-PARTICLES;BETHE THEORY;INELASTIC-COLLISIONS;QUANTUM DEFECTS;EXCITED-STATES;MOLECULES;SCATTERING;EXCITATION;HYDROGEN;ENERGY
日期:	1994
上传时间:	2010-07-08 14:10:46 (UTC+8)
出版者:	中央大學
摘要:	In the reflection approximation, the dissociative cross sections of H2 by electron impact for production of H(1s) and H(2s) are accurately computed in the Bethe approximation using highly correlated electronic wave functions. It is found that the calculated Bethe cross sections, expected to be valid only for high-incident electron energies, agree surprisingly well with other theoretical values for low impact energies, where electron exchange must surely be included. The discrepancy between theory and experiment reported for total production of H(2s) at incident energies above 500 eV may be attributed to lack of inclusion in the theoretical model of double excitations, particularly those corresponding to optically forbidden transitions.
關聯:	PHYSICAL REVIEW A
显示于类别:	[物理研究所] 期刊論文

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