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The half-life of87Rb measured as difference between the isotopes87Rb and85Rb (1974)

Neumann, W. ; Huster, E.

Springer

The European physical journal 270 (1974), S. 121-127

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Details

ISSN: 1434-601X

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01677443

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