1948 ◽  
Vol 19 (7) ◽  
pp. 473-474 ◽  
Author(s):  
E. Baldinger ◽  
P. Huber ◽  
K. P. Meyer

1956 ◽  
Vol 33 (2) ◽  
pp. 72-74 ◽  
Author(s):  
B Collinge ◽  
A W Merrison ◽  
D Eccleshall
Keyword(s):  

2017 ◽  
Vol 67 (12) ◽  
pp. 1528-1533
Author(s):  
Sung-Wook HAN ◽  
Munkhbaatar PUREVDOR ◽  
Hyung-Nam NOH ◽  
Heonoh KIM ◽  
Myung-Whun KIM*

A coincidence circuit is described which makes possible the determination of half-value periods between 10 -4 sec. and 1 sec. using a single Geiger counter. This arrangement has been used to determine the half-value periods of actinium A, thorium A and radium C' with the following results: AcA ( 1·83 ± 0·04) x 10 -3 sec., ThA (1·58 ± 0·08) x 10 -1 sec., RaC ' (1·48 ± 0·06) x 10 -4 sec. A discussion of the limitations of the method and of possible sources of error is given.


2013 ◽  
Vol 90 (3) ◽  
pp. 457-471 ◽  
Author(s):  
Steven D. Bowden ◽  
Alison Eyres ◽  
Jade C. S. Chung ◽  
Rita E. Monson ◽  
Arthur Thompson ◽  
...  

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