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Combecher, D. ; Kollerbaur, J.

The measurement of electron spectra in the track of protons in water vapour.

Radiat. Prot. Dosim. 13, 23-26 (1985)
Open Access Green as soon as Postprint is submitted to ZB.
The spectra of the electrons in the track of 1 MeV protons passing through water vapour were measured with a retarding field spectrometer mounted in a movable evacuated probe. About 50,000 measurements were performed in the energy range from 0 to 3000 eV at more than 1300 different radial and angular positions relative to the proton path. The radial distances, reduced to density 1g.cm-3, range from 0.25 nm, where the primary electron spectrum is predominant, to 30 nm, where the electrons are slowed down by collisions with water molecules. From the dense net of data the following were calculated: (i) The dependency of the energy fluence on the solid angle at different distances; (ii)The energy flux vectors for different energy ranges as a function of the radial distance from the proton path; (iii) The spectral fluences at different distances from the proton path; (iv) The degradation spectrum.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 1985
HGF-reported in Year 0
ISSN (print) / ISBN 0144-8420
e-ISSN 1742-3406
Journal Radiation Protection Dosimetry
Quellenangaben Volume: 13, Issue: 1-4, Pages: 23-26 Article Number: , Supplement: ,
Publisher Oxford University Press
Publishing Place Oxford
Reviewing status Peer reviewed
Institute(s) Institute of Radiation Protection (ISS)
Scopus ID 0022397266
Erfassungsdatum 1985-12-31
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