Published June 1994 | Version v1
Journal article

Long-lived noble gas radionuclides

  • 1. Institut fuer Radiumforschung und Kernphysik der Universitaet Wien, Boltzmanngasse 3, A-1090 Vienna (Austria)
  • 2. Physics Division, Argonne National Laboratory, Argonne, IL 60439 (United States)
  • 3. Racah Institute for Physics, Hebrew University of Jerusalem (Israel)
  • 4. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824 (United States)

Description

The first AMS measurements of 39Ar and 81Kr have been performed by combining positive-ion production in an ECR ion source with acceleration to 6 MeV/A in the ATLAS linear accelerator and detection in a gas-filled spectrograph. Sensitivities of 39Ar/Ar=8x10-16 (natural argon), and 81Kr/Kr=2x10-10 (neutron-activated krypton) were achieved. A full-stripping experiment for 81Kr-81Br separation at 45 MeV/A was performed with the MSU K1200 cyclotron. Substantial contributions from nuclear reactions in a Be stripper foil were observed, in the attempt to detect 81Kr36+ ions in the A1200 recoil separator. The general situation for the detection of noble gas radionuclides is discussed. ((orig.))

Additional details

Publishing Information

Journal Title
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
Journal Volume
92
Journal Issue
1-4
Journal Page Range
p. 241-248.
ISSN
0168-583X
CODEN
NIMBEU

Conference

Title
6. triennial international conference on accelerator mass spectrometry (AMS-6).
Dates
27 Sep - 1 Oct 1993.
Place
Canberra (Australia); Sydney (Australia).