| Autor: |
Zielczynski M; Institute of Atomic Energy, Otwock-Swierk, Poland., Gryzinski MA, Golnik N |
| Jazyk: |
angličtina |
| Zdroj: |
Radiation protection dosimetry [Radiat Prot Dosimetry] 2007; Vol. 126 (1-4), pp. 306-9. Date of Electronic Publication: 2007 May 19. |
| DOI: |
10.1093/rpd/ncm063 |
| Abstrakt: |
A new method is proposed for the determination of dose components in mixed radiation fields (gamma + neutrons) using a recombination chamber. The method involves the determination of the ratio of ionisation currents measured at two different voltages applied to the chamber without the need of determining the saturation current, neither in the radiation field investigated nor during calibration. Therefore, the chamber can be filled with a gas under a pressure much higher than that used in presently available recombination chambers. This paper presents theoretically derived formulae supporting the method and the experimental results of dose component measurements using a high-pressure recombination chamber filled with methane. The method can be used for determining neutron and gamma dose components in the environment, especially in the vicinity of nuclear centres. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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