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An instrument for m...
An instrument for measuring ambient dose equivalent, H*(10)
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- Carlsson, C.A. (author)
- Linköpings universitet,Medicinsk radiofysik,Hälsouniversitetet
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- Alm Carlsson, Gudrun (author)
- Östergötlands Läns Landsting,Linköpings universitet,Radiofysik,Hälsouniversitetet,Radiofysikavdelningen
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- Lund, Eva (author)
- Linköpings universitet,Medicinsk radiofysik,Hälsouniversitetet
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- Pettersson, Håkan, 1956- (author)
- Linköpings universitet,Östergötlands Läns Landsting,Radiofysikavdelningen,Medicinsk radiofysik,Hälsouniversitetet
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- Matscheko, G. (author)
- Linköpings universitet,Medicinsk radiofysik,Hälsouniversitetet
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(creator_code:org_t)
- 1996
- 1996
- English.
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In: Radiation Protection Dosimetry. - 0144-8420 .- 1742-3406. ; 67:1, s. 33-39
- Related links:
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http://rpd.oxfordjou...
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Abstract
Subject headings
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- The design and calibration of a small and simple instrument for measuring the ambient dose equivalent, H*(10), in photon fields is described. Comprising a thermoluminescence LiF dosemeter inside a 20 mm diameter PMMA sphere, it is capable of measuring the ambient dose equivalent with a nearly isotropic response. In the interval 0.1-100 mSv and for the energy range 30 keV to 1.25 MeV the energy response is within -31% and +15% relative to that of 137Cs gamma radiation (662 keV). In practical use, it is therefore sufficient to calibrate the instrument in a 137Cs gamma field using the corresponding conversion coefficient H*(10)/Kair taken from tabulations. The possibility of using the instrument to monitor the ambient dose equivalent for energies above 1.25 MeV is discussed and indicates that the range of applicability can be extended to 4.4 MeV with an energy response within -10% relative to 662 keV.
Keyword
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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