Doppler Shifts with Gas Backings; Mean Lives in O17, Mg25, and Fe55

D. J. Donahue and R. L. Hershberger
Phys. Rev. C 4, 1693 – Published 1 November 1971
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Abstract

Measurements of Doppler shifts of γ rays from nuclei recoiling in gas are described. Mean lives of the 0.87-MeV state in O17, of the 0.58- and 0.97-MeV states in Mg25, and of the 0.41-, 0.93-, 1.32-, and 1.41-MeV states in Fe55 produced by (d,p) reactions were obtained from these Doppler shifts. The effect on these mean lives of a variation in the deuteron current has been investigated. Finally, the known mean lives of the 0.87-MeV state in O17 and the 0.58-MeV state in Mg25 were used, together with the measured Doppler shifts, to obtain information concerning the slowing down of O17 and Mg25 ions in krypton gas.

  • Received 6 July 1971

DOI:https://doi.org/10.1103/PhysRevC.4.1693

©1971 American Physical Society

Authors & Affiliations

D. J. Donahue and R. L. Hershberger*

  • Department of Physics, University of Arizona, Tucson, Arizona 85721

  • *Present address: Abteilung Kernphysik, Universität München, 8 München 13, Amalienstrasse 54/1, Germany.

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Vol. 4, Iss. 5 — November 1971

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