Phys. Rev. A 68, 022716 (2003) [10 pages]

Recoil-ion charge-state distribution following the β⁺ decay of ²¹Na

Abstract

References

Citing Articles (10)

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N. D. Scielzo and S. J. Freedman
Department of Physics, University of California at Berkeley and Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

B. K. Fujikawa and P. A. Vetter
Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

Received 3 January 2003; revised 21 April 2003; published 29 August 2003

The charge-state distribution following the β⁺ decay of²¹Na has been measured, showing a larger than expected fraction of the daughter ²¹Ne in positive charge states. No dependence on either the β⁺ or recoil nucleus energy is observed. The data are compared to a simple model based on the sudden approximation. Calculations suggest that a small but important contribution from recoil ionization has significant consequences for precision β decay correlation experiments detecting recoil ions.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.68.022716

DOI:

10.1103/PhysRevA.68.022716

PACS:

32.80.Hd, 23.20.Nx, 13.30.Ce

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Phys. Rev. A 68, 022716 (2003) [10 pages]

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Recoil-ion charge-state distribution following the β⁺ decay of ²¹Na