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  • 1970-1974  (1)
  • 1950-1954
  • 1974  (1)
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  • 1970-1974  (1)
  • 1950-1954
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    Electronic Resource
    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
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