Drever, R. W. P. and Moljk, A. and Scobie, J. (1956) XCVII. The ratio of K-capture to positron emission in fluorine 18. Philosophical Magazine, 1 (10). pp. 942-948. ISSN 1478-6435. doi:10.1080/14786435608238173. https://resolver.caltech.edu/CaltechAUTHORS:20151223-130445042
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Abstract
The existence of electron capture in the decay of ^(18)F has been revealed by the detection of K-radiations of oxygen in a proportional tube spectrometer containing a gaseous BF, source. The K/β^+ ratio determined from the number of counts in the observed K-peak and the total number in the positron spectrum is 0·030, with an estimated accuracy of 6%. A scintillation spectrometer investigation showed the absence of any gamma rays with intensity greater than 0·5% of the positrons, suggesting that both K-capture and beta decay are ground state to ground state transitions. A comparison between theoretical and measured values of the K/β^+ ratio gives, for the ratio of the axial vector and tensor coupling constants, C_A/C_T=(0·4±2)%.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1956 Taylor & Francis. Received: 15 Aug 1956. | |||||||||
| Issue or Number: | 10 | |||||||||
| DOI: | 10.1080/14786435608238173 | |||||||||
| Record Number: | CaltechAUTHORS:20151223-130445042 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151223-130445042 | |||||||||
| Official Citation: | XCVII. The ratio of K-capture to positron emission in fluorine 18 R. W. P. Drever , A. Moljk , J. Scobie Philosophical Magazine Vol. 1, Iss. 10, 1956 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 63188 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 23 Dec 2015 21:19 | |||||||||
| Last Modified: | 10 Nov 2021 23:13 |
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