Abstract
The half-life of 18F has been measured using HPGe detectors with a 137Cs reference source. The counting ratio of 511keV γ-rays from 18F to 622keV γ-rays from 137Cs was fitted for the half-life with a weighted least-square method. Uncertainties due to the systematic effects arising from the measurement of a high activity 18F source were studied in detail. The half-life of 18F was found to be (109.72±0.19)min. The result is in a good agreement with the recommended value of (109.728±0.019)min evaluated at the Laborotaire National Henri Becquerel (LNHB).
Original language | English |
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Pages (from-to) | 2581-2585 |
Number of pages | 5 |
Journal | Applied Radiation and Isotopes |
Volume | 70 |
Issue number | 11 |
DOIs | |
Publication status | Published - 2012 Nov |
Externally published | Yes |
Keywords
- F
- HPGe detector
- Half-life
- Reference source method
ASJC Scopus subject areas
- Radiation