Long-lived noble gas radionuclides

W. Kutschera; M. Paul; I. Ahmad; T. A. Antaya; P. J. Billquist; B. G. Glagola; R. Harkewicz; M. Hellstrom; D. J. Morrissey; R. C. Pardo; K. E. Rehm; B. M. Sherrill; M. Steiner

doi:10.1016/0168-583X(94)96013-5

Long-lived noble gas radionuclides

W. Kutschera^*, M. Paul, I. Ahmad, T. A. Antaya, P. J. Billquist, B. G. Glagola, R. Harkewicz, M. Hellstrom, D. J. Morrissey, R. C. Pardo, K. E. Rehm, B. M. Sherrill, M. Steiner

^*Corresponding author for this work

Racah Institute of Physics

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Abstract

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 = 8 × 10^-16 (natural argon), and ⁸¹Kr/Kr = 2 × 10^-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.

Original language	English
Pages (from-to)	241-248
Number of pages	8
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	92
Issue number	1-4
DOIs	https://doi.org/10.1016/0168-583X(94)96013-5
State	Published - 3 Jun 1994

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Kutschera, W., Paul, M., Ahmad, I., Antaya, T. A., Billquist, P. J., Glagola, B. G., Harkewicz, R., Hellstrom, M., Morrissey, D. J., Pardo, R. C., Rehm, K. E., Sherrill, B. M., & Steiner, M. (1994). Long-lived noble gas radionuclides. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 92(1-4), 241-248. https://doi.org/10.1016/0168-583X(94)96013-5

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abstract = "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 = 8 × 10-16 (natural argon), and 81Kr/Kr = 2 × 10-10 (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.",

author = "W. Kutschera and M. Paul and I. Ahmad and Antaya, {T. A.} and Billquist, {P. J.} and Glagola, {B. G.} and R. Harkewicz and M. Hellstrom and Morrissey, {D. J.} and Pardo, {R. C.} and Rehm, {K. E.} and Sherrill, {B. M.} and M. Steiner",

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Kutschera, W, Paul, M, Ahmad, I, Antaya, TA, Billquist, PJ, Glagola, BG, Harkewicz, R, Hellstrom, M, Morrissey, DJ, Pardo, RC, Rehm, KE, Sherrill, BM & Steiner, M 1994, 'Long-lived noble gas radionuclides', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 92, no. 1-4, pp. 241-248. https://doi.org/10.1016/0168-583X(94)96013-5

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AU - Kutschera, W.

AU - Paul, M.

AU - Ahmad, I.

AU - Antaya, T. A.

AU - Billquist, P. J.

AU - Glagola, B. G.

AU - Harkewicz, R.

AU - Hellstrom, M.

AU - Morrissey, D. J.

AU - Pardo, R. C.

AU - Rehm, K. E.

AU - Sherrill, B. M.

AU - Steiner, M.

PY - 1994/6/3

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N2 - 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 = 8 × 10-16 (natural argon), and 81Kr/Kr = 2 × 10-10 (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.

AB - 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 = 8 × 10-16 (natural argon), and 81Kr/Kr = 2 × 10-10 (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.

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Long-lived noble gas radionuclides

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