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Electron Emission from Foils and Biological Materials after Proton Impact

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Date

2008-10

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Authors

Dingfelder, Michael
Travia, Anderson
McLawhorn, Robert A.
Shinpaugh, Jefferson L.
Toburen, Larry H.

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Journal ISSN

Volume Title

Publisher

East Carolina University

Abstract

Electron emission spectra from thin metal foils with thin layers of water frozen on them (amorphous solid water) after fast proton impact have been measured and have been simulated in liquid water using the event-by-event track structure code PARTRAC. The electron transport model of PARTRAC has been extended to simulate electron transport down to 1 eV by including low-energy phonon, vibrational and electronic excitations as measured by Michaud et al. (Radiat. Res. 159, 3–22, 2003) for amorphous ice. Simulated liquid water yields follow in general the amorphous solid water measurements at higher energies, but overestimate them significantly at energies below 50 eV. Originally published Radiation Physics and Chemistry, Vol. 77, No. 10-12, Oct-Dec 2008

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Citation

Radiation Physics and Chemistry; 77:10-12 p. 1213-1217

DOI

10.1016/j.radphyschem.2008.05.046

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