Free-ion yield in liquid argon induced by /sup 241/Am-. cap alpha. irradiation
Journal Article
·
· Phys. Rev., B: Condens. Matter; (United States)
Recent measurement of free-ion yield in liquid argon by Gruhn and Edmiston (Phys. Rev. Lett. 40, 407 (1978)) using /sup 241/Am-..cap alpha.. irradiation has been analyzed using a track model. Because of dense ionization, recombination dominates in the core giving insignificant free ions. In the time scale of observation, the delta rays mostly degenerate into ion pairs to which the Onsager probability is applicable. The electron thermalization distance is found to be 232 nm, the same as for ..gamma.. radiolysis and in agreement with Freeman (Phys. Rev. B, preceding Comment). Secondary electrons at energy about 200 eV can effectively penetrate the core.
- Research Organization:
- Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
- OSTI ID:
- 5893263
- Journal Information:
- Phys. Rev., B: Condens. Matter; (United States), Journal Name: Phys. Rev., B: Condens. Matter; (United States) Vol. 20:8; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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