Electronic Resource
Springer
The European physical journal
270 (1974), S. 121-127
ISSN:
1434-601X
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The half-lifeT of87Rb was determined by means of a 4π proportional counter using thin sources of RbCl on thin conducting backings. The total thicknessD investigated (RbCl+support) ranged from 11 to 525 μg/cm2. Comparative measurements with (inactive) layers of85RbCl showed that, in the energy range below 185 eV, RbCl layers give rise to spurious pulses. Linear extrapolation of the specific activity belowD=45 μg/cm2 toD=0 yieldsT=(4.88 −0.10 +0.06 )·1010 y. Previously published half-lives are discussed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01677443
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