Inelastic collision processes of low energy protons in liquid water

Date, H.; Sutherland, K.L.; Hayashi, T.; Matsuzaki, Y.; Kiyanagi, Y.

Inelastic collision processes of low energy protons in liquid water

Date, H.; Sutherland, K.L.; Hayashi, T. et al.

Radiation Physics and Chemistry, 2006, 75(2), 179-187

Permalink : https://hdl.handle.net/2115/7380

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アクセス権	open access
URI	https://hdl.handle.net/2115/7380
タイトル	Inelastic collision processes of low energy protons in liquid water
著者	Date, H. ; Sutherland, K.L. ; Hayashi, T. ; Matsuzaki, Y. ; Kiyanagi, Y.
e-Rad_Researcher 10197600 著者名 Date, H. 伊達, 広行
著者名 Sutherland, K.L.
著者名 Hayashi, T.
著者名 Matsuzaki, Y.
e-Rad_Researcher 80002202 著者名 Kiyanagi, Y.
言語	英語
キーワード	Proton Bragg peak
	Inelastic collision
	δ-ray
	Charge transfer
	Cross-sections
	Liquid water
発行日	2006-02
出版者	Elsevier Ltd
収録物名	Radiation Physics and Chemistry
巻(号)	75(2)
ページ	179-187
抄録	Production probabilities of ions and excited particle species along the proton beam track in liquid water are estimated around the Bragg peak region, taking into account charge-changing processes and energetic secondary electron (δ-ray) behavior. Ionization and excitation processes are divided into two categories in this study: primary processes associated with direct proton (or hydrogen) interaction and secondary processes arising from the electrons ejected by the primary process. We show that the number of events in the secondary processes producing ions and excited particles is larger than that of the primary processes around the Bragg peak while neutralized protons (i.e., hydrogen) with low energy have a large contribution to direct ionization. Effects of charge-changing processes on ionization and excitation are also discussed.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	0969-806X
関連情報	URI http://www.sciencedirect.com/science/journal/0969806X
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.radphyschem.2005.10.002