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A theoretical study on double differential cross sections for (e, 2e) process of hydrogen

Yang Huan Zhang Sui-Meng Xing Ling-Ling Wu Xing-Ju Yuan Hao

A theoretical study on double differential cross sections for (e, 2e) process of hydrogen

Yang Huan, Zhang Sui-Meng, Xing Ling-Ling, Wu Xing-Ju, Yuan Hao
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  • Received Date:  13 April 2011
  • Accepted Date:  13 October 2011
  • Published Online:  05 July 2012

A theoretical study on double differential cross sections for (e, 2e) process of hydrogen

  • 1. The Center of Basic Experiment, West Anhui University, Lu'an 237012, China;
  • 2. Institute of Atomic and Molecular Physics, School of Materials and Chemical Engineering, West Anhui University, Lu'an 237012, China;
  • 3. School of Mechanism and Electrical Engineering, West Anhui University, Lu'an 237012, China
Fund Project:  Project supported by the Natural Science Research Program of the Higher Education Institutions of Anhui Province (Grant No. KJ2011B208), the Foundation for Major Research Program of Education Department of Anhui Province (Grant No. ZD2007002-1), the Municipal Level Research Program from Lu'an City Directive Entrusted to West Anhui University (Grant No. 2010LW026), the Key Research Program of the Higher Education Institutions of Anhui Province (Grant No. KJ2012A275) and the Foundation for Outstanding Young Scientists of the Higer Education Institutions of Anhui Province, China (Grant No. 2011SQRL147).

Abstract: The double differential cross sections for electron impact ionization of hydrogen at incident energies of 15.6 eV, 17.6 eV, 25 eV and 40 eV are calculated by use of BBK model and modified BBK model. The results of the present work are compared with the absolute experimental date. The structure of the cross sections is analysed and the contributions of exchange effects to corss sections are discussed.

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