(e,2e) and (e,3-1e) studies on double processes of He near the bethe ridge

N. Watanabe, Y. Khajuria, M. Takahashi, Y. Udagawa, P. S. Vinitsky, Yu V. Popov, O. Chuluunbaatar, K. A. Kouzakov

研究成果: 書籍の章/レポート/Proceedings会議への寄与査読

抄録

We report (e,2e) and (e,3-1e) experiments on the double processes of He, i.e. single ionization with simultaneous excitation and double-ionization. The symmetric noncoplanar geometry combined with high incident electron energies has made it possible to study at large momentum transfers. The results are compared with plane wave impulse approximation (PWIA) calculations using He wavefunctions of various levels of sophistication. It is shown that shapes of the momentum dependent (e,2e) and (e,3-1e) cross sections are well reproduced by the PWIA calculations when highly correlated wavefunctions are employed, but noticeable discrepancies between experiment and theory remain in magnitude. The discrepancies are, however, reduced with increasing impact energies, suggesting higher excitation energies may be required to analyze these double processes in terms of the PWIA.

本文言語英語
ホスト出版物のタイトルProceedings of the International Symposium on (e,2e), Double Photoionization and Related Topics and the 13th International Symposium on Polarization and Correlation in Electronic and Atomic Collisions
ページ96-101
ページ数6
DOI
出版ステータス出版済み - 2006
イベントInternational Symposium on (e,2e), Double Photoionization and Related Topics and the 13th International Symposium on Polarization and Correlation in Electronic and Atomic Collisions - Buenos Aires, アルゼンチン
継続期間: 2005 7月 282005 7月 30

出版物シリーズ

名前AIP Conference Proceedings
811
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

会議

会議International Symposium on (e,2e), Double Photoionization and Related Topics and the 13th International Symposium on Polarization and Correlation in Electronic and Atomic Collisions
国/地域アルゼンチン
CityBuenos Aires
Period05/7/2805/7/30

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