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Charge state ratios for helium ions channelled through silicon

✍ Scribed by R.J. Petty; G. Dearnaley

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
175 KB
Volume
50
Category
Article
ISSN
0375-9601

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The established high-velocity limit of the double-to-single ionization cross-section ratio for helium is f 2.5 = 10 y3 . It was claimed that the highest projectile charge state for which this limit can be reached is around Z s 13. In this Letter we p give some arguments that in ultrarelativistic col