Microdosimetry and Katz's track structure theory. I. One-hit detectors

Journal Article · Mon Oct 01 00:00:00 EDT 1990 · Radiation Research; (USA)

DOI:https://doi.org/10.2307/3577672· OSTI ID:6282600

Zaider, M ^[1]

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1. College of Physicians Surgeons of Columbia Univ., New York, NY (USA)

A microdosimetric treatment of the response of one-hit detectors to radiation is formulated and compared with the model proposed by R. Katz, S. C. Sharma, and M. Homayoonfar within the framework of their track-structure theory. It is shown that radial dose distributions (on which the track structure theory is based) are generally poor substitutes for the exact microdosimetric distributions except when (a) the target is much larger than the radial extent of the track or (b) the effective specific energy in the target (alpha z) is negligibly small. Since neither one of these conditions is generally satisfied, it is suggested that a meaningful search for one-hit detectors be based on a microdosimetric description of the stochastics of energy deposition. An analysis of the phi x-174 bacteriophage inactivation data is presented.

• OSTI ID: 6282600
• Journal Information: Radiation Research; (USA), Vol. 124:1 Suppl; ISSN 0033-7587
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
MICRODOSIMETRY
RADIATION DETECTORS
EVALUATION
BACTERIOPHAGES
MATHEMATICAL MODELS
RADIATION DOSE DISTRIBUTIONS
DOSIMETRY
MEASURING INSTRUMENTS
MICROORGANISMS
PARASITES
VIRUSES
440101* - Radiation Instrumentation- General Detectors or Monitors & Radiometric Instruments
560130 - Radiation Effects on Microorganisms