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Track studies in water vapor using a low-pressure cloud chamber. II. Microdosimetric measurements
G P Stonell1, M Marshall, J A Simmons
1A.E.A. Technology, Harwell Laboratory, Didcot, Oxon, United Kingdom.
Radiation Research
|December 1, 1993
Abstract:
A low-pressure cloud chamber has been adapted to operate with pure water vapor. Photographs were obtained of tracks arising from the passage of ionizing radiation. The sources used were low-energy X rays, 242Cm alpha particles, and low-energy protons. Distributions of lineal energy, radial distances around an ion track, and interdroplet distances were measured and compared with the predictions of Monte Carlo calculations. After allowing for diffusion and the limitations of the geometry of the system, the measured and calculated distributions were found to be in good agreement.