Measurement of 81Kr in the atmosphere
1997; Elsevier BV; Volume: 123; Issue: 1-4 Linguagem: Inglês
10.1016/s0168-583x(96)00674-x
ISSN1872-9584
AutoresP. Collon, T. A. Antaya, B. Davids, M. Fauerbach, Richard Harkewicz, M. Hellström, W. Kutschera, D. J. Morrissey, R. C. Pardo, M. Paul, B. M. Sherrill, M. Steiner,
Tópico(s)Radioactive Decay and Measurement Techniques
ResumoWe present the first AMS measurement of the 81Kr concentration in atmospheric krypton. The measurement was performed by combining positive-ion production in an electron cyclotron resonance source with acceleration to high energy in a cyclotron and subsequent full stripping for 81Br81Kr separation. The result, 81KrKr = (5.3 ± 1.2) × 10−13, agrees well with two previous low-level decay counting measurements.
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