Upper limit on the isovector parity-violating decay width of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mn>0</mn></mrow><mrow><mo>+</mo></mrow></msup></mrow></math> <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>T</mi><mo>=</mo><mn>1</mn><mn></mn></math> state of <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Li</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>6</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math>

R. G. H. Robertson; P. Dyer; R. C. Melin; T. J. Bowles; A. B. McDonald; G. C. Ball; W. G. Davies; E. D. Earle

doi:10.1103/PhysRevC.29.755

Upper limit on the isovector parity-violating decay width of the $0^{+}$ $T = 1$ state of ${}^{6}{Li}$

R. G. H. Robertson, P. Dyer, R. C. Melin, T. J. Bowles, A. B. McDonald, G. C. Ball, W. G. Davies, and E. D. Earle

Phys. Rev. C 29, 755 – Published 1 March 1984

Abstract

A search has been made for a resonance in the ${}^{2}H {(α, γ)}^{6} Li$ capture-reaction cross section at the energy corresponding to the $0^{+}$ , $T = 1$ , 3.56-MeV state of ${}^{6}{Li}$ . None was found, and an upper limit of 6.5× $10^{- 7}$ eV was set on the parity-forbidden $α$ width at the 90% confidence level. This limit is three orders of magnitude smaller than the best previous measurement.

Received 27 October 1983

DOI:https://doi.org/10.1103/PhysRevC.29.755

Authors & Affiliations

R. G. H. Robertson^*, P. Dyer^*, and R. C. Melin^†

Cyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824

T. J. Bowles^*

Physics Division, Argonne National Laboratory, Argonne, Illinois 60439
Physics Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545

A. B. McDonald^‡, G. C. Ball, W. G. Davies, and E. D. Earle

Atomic Energy of Canada Limited, Chalk River Nuclear Laboratories, Chalk River, Ontario, Canada K0J 1J0

^*Present address: Physics Division, Los Alamos National Laboratory, Los Alamos, NM 87545.
^†Present address: AT&T Bell Laboratories, Murray Hill, NJ 07974.
^‡Present address: Department of Physics, Princeton University, Princeton, NJ 08544.

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Vol. 29, Iss. 3 — March 1984

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