Space radiation dosimetry using bubble detectors.
Bubble detectors--a new development in radiation detection--has only recently been used for radiation measurements in space.  One important characteristic of the bubble detector is that it operates on a phenomenon which bears considerable resemblance to biological response.  Recent experimental results from irradiating bubble detectors with high-energy heavy ions point to the need to re-examine the methodology used for assessing space radiation and  the relevance of conventional quantities such as dose equivalent for space dosimetry.  It may be that biological hazard associated with the intensely ionizing events--associated with nuclear fragmentation but delivering relatively small dose equivalent--may be much more important than that associated with lightly ionizing events which comprise the bulk of the conventional radiation dose equivalent.
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Bubble Technology Industries, Chalk River, Canada.
Mortimer
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D002170:Canada; D003359:Cosmic Radiation; D007391:International Cooperation; D009502:Neutrons; D011108:Polymers; D011522:Protons; D011829:Radiation Dosage; D011834:Radiation Monitoring / Q000295:instrumentation*; D011874:Radiometry; D012426:Russia; D013026:Space Flight / Q000295:instrumentation*
D011108:Polymers; D011522:Protons