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AbstractAbstract
[en] Projects in progress are a correlation of E.S.R. and TL in CaO and CaO:Mg and studies of luminescence of pulsed electron irradiated MgO, CaO and CaO:Mg
Source
Keam, D.W. (ed.); Australian Radiation Lab., Melbourne; 137 p; Sep 1983; p. 47-48
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Report
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Progress Report
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AbstractAbstract
[en] The system of dose limitation recommended by the ICRP. Differential Cost Benefit Analysis is described and a number of definitions introduced. The mathematical formulation of the ALARA principle is described. Two examples of an ALARA calculation are given as Appendices. 18 refs
Primary Subject
Source
Boas, J. (ed.); Australian Radiation Lab., Melbourne, VIC (Australia); 180 p; Jul 1990; p. 312-337
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Report
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Numerical Data
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Boas, J.F.
12th AINSE radiation chemistry conference. 7th-9th November 1984, Lucas Heights - AINSE Theatre1984
12th AINSE radiation chemistry conference. 7th-9th November 1984, Lucas Heights - AINSE Theatre1984
AbstractAbstract
No abstract available
Source
Australian Inst. of Nuclear Science and Engineering, Lucas Heights; 65 p; Nov 1984; p. 56; 12. AINSE radiation chemistry conference; Lucas Heights (Australia); 7-9 Nov 1984; Abstract only.
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Miscellaneous
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AbstractAbstract
No abstract available
Source
Australian Inst. of Nuclear Science and Engineering, Lucas Heights; 76 p; 1986; p. 21; 13. AINSE radiation chemistry conference; Lucas Heights (Australia); 12-14 Nov 1986; Published in summary form only.
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AbstractAbstract
[en] Highly coloured crystals of CaO and CaO:Mg have been studied using thermoluminescence emission spectra and electron spin resonance. The undoped CaO crystals show an intense phosphorescence at around 620 nm at room temperature and this arises from a peak in the TL curve at around 330 K. The emission arises from the process F+ + e -> F* -> F + hν and the electron arises from the thermally activated release of electrons from Mg+ ions as well as from other traps of an unknown nature. The Mg doped CaO crystals do not exhibit the intense phosphorescence and do not show a glow curve peak at around 330 K. Rather they exhibit a glow curve peak at around 180 K with a peak emission wavelength ca 690nm. The electron transfer processes in these crystals appear to be more complex than those in undoped CaO. (author)
Primary Subject
Source
7. international conference on solid state dosimetry; Ottawa (Canada); 27-30 Sep 1983
Record Type
Journal Article
Literature Type
Conference
Journal
Radiation Protection Dosimetry; ISSN 0144-8420; 
; v. 6(1-4); p. 58-60
; v. 6(1-4); p. 58-60
Country of publication
ALKALINE EARTH METAL COMPOUNDS, ALKALINE EARTH METALS, CALCIUM COMPOUNDS, CHALCOGENIDES, COLOR CENTERS, CRYSTAL DEFECTS, CRYSTAL STRUCTURE, ELEMENTS, EMISSION, LUMINESCENCE, MAGNETIC RESONANCE, MATERIALS, METALS, OXIDES, OXYGEN COMPOUNDS, PHOTON EMISSION, POINT DEFECTS, RESONANCE, SPECTRA, VACANCIES
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AbstractAbstract
[en] Two centers with tetragonal symmetry and principal axes along <100> are observed by ESR in single crystals of CaO. The ESR signal intensity of both the centers is affected by visible light illumination. One center (g/sub parallel/ = 2.0048, g/sub perpendicular/ = 2.0007) occurs in highly colored crystals and may be associated with carbon impurities introduced during crystal growth. The other (g/sub parallel/ = 1.99905, g/sub perpendicular/ = 1.99956/) occurs in 'clear' crystals after 1 MeV electron irradiation and has the characteristics of an anion-cation vacancy pair center containing one electron (i.e. a P- or F/sub c//sup +/ center). The g-values do not agree with those found for the same center in polycrystalline CaO but are consistent with a simple model of a perturbed F+ center. (author)
Secondary Subject
Record Type
Journal Article
Journal
Country of publication
ALKALINE EARTH METAL COMPOUNDS, BEAMS, CALCIUM COMPOUNDS, CHALCOGENIDES, COLOR CENTERS, CRYSTAL DEFECTS, CRYSTAL STRUCTURE, CRYSTALS, ELECTROMAGNETIC RADIATION, ELEMENTS, ENERGY RANGE, LEPTON BEAMS, MAGNETIC RESONANCE, MATHEMATICAL OPERATORS, MEV RANGE, NONMETALS, OXIDES, OXYGEN COMPOUNDS, PARTICLE BEAMS, POINT DEFECTS, QUANTUM OPERATORS, RADIATION EFFECTS, RADIATIONS, RESONANCE
Reference NumberReference Number
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Boas, J.F.
10th A.I.N.S.E. radiation chemistry conference, 1980 10th - 12th November, Lucas Heights1980
10th A.I.N.S.E. radiation chemistry conference, 1980 10th - 12th November, Lucas Heights1980
AbstractAbstract
No abstract available
Source
Australian Inst. of Nuclear Science and Engineering, Lucas Heights; 40 p; 1980; p. 35; 10. A.I.N.S.E. radiation chemistry conference; Lucas Heights, Australia; 10 - 12 Nov 1980; Abstract only.
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Miscellaneous
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Conference
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Young, J.G.; Boas, J.F.; Hargrave, N.J.
Australian Radiation Lab., Melbourne (Australia)1990
Australian Radiation Lab., Melbourne (Australia)1990
AbstractAbstract
[en] The Australian Radiation Laboratory (ARL) has participated in two International Intercomparisons of the measurement of external environmental radiation levels using thermoluminescence dosemeters. In all intercomparisons it was observed that those participants who used 137Cs as their calibration source underestimated the delivered exposure by approximately 6% when compared with those participants who used a 60Co calibration source. This was investigated further in a mini-intercomparison by those organizations (including ARL) able to calibrate dosemeters with both137Cs and 60Co. A separate investigation undertaken at ARL (presented in Appendix) also observed a 6% difference. The difference in response of thermoluminescence materials to 137Cs and 60Co remains unexplained. 12 refs., 5 tabs
Primary Subject
Source
May 1990; 30 p
Record Type
Report
Literature Type
Numerical Data
Report Number
Country of publication
BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, CESIUM ISOTOPES, COBALT ISOTOPES, DOSEMETERS, INFORMATION, INTERMEDIATE MASS NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, LUMINESCENT DOSEMETERS, MEASURING INSTRUMENTS, MINUTES LIVING RADIOISOTOPES, MONITORING, NATIONAL ORGANIZATIONS, NUCLEI, NUMERICAL DATA, ODD-EVEN NUCLEI, ODD-ODD NUCLEI, RADIOISOTOPES, TESTING, YEARS LIVING RADIOISOTOPES
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AbstractAbstract
No abstract available
Source
Keam, D.W. (ed.); Australian Radiation Lab., Melbourne; 155 p; Jan 1983; p. 19; abstract only.
Record Type
Report
Literature Type
Progress Report
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Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Boas, J.F.
15th AINSE radiation chemistry conference, 5-7 November, 1990: conference handbook (programme, abstracts and general information)1990
15th AINSE radiation chemistry conference, 5-7 November, 1990: conference handbook (programme, abstracts and general information)1990
AbstractAbstract
[en] Abstract only
Secondary Subject
Source
Australian Inst. of Nuclear Science and Engineering, Lucas Heights (Australia); 57 p; 1990; p. 49; AINSE; Lucas Heights (Australia); 15. AINSE radiation chemistry conference; Lucas Heights (Australia); 5-7 Nov 1990
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Miscellaneous
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Conference
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