Decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Ir</mml:mi></mml:mrow><mml:mrow><mml:mn>192</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>

Shiel, Vincent; Wyly, L. D.; Braden, C. H.

doi:10.1103/physrev.105.1521

Cited by 9 publications

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“…The directional correlation between y rays emitted in this decay has been measured before using scintillation detectors. [11][12][13][14][15] Because of the inadequate energy resolution of these detectors, the interpretation of measurements involving transitions in the 300-and 600-keV energy regions involved large ambiguities. Utilization of high-resolution Ge(Li) detectors allows complete resolution of the 300-and 600-keV triplets, and thus provides the possibility for more accurate determination of the mixing ratios of the 296-, 308-, and 604-keV transitions in Pt 192 and the 485-keV transition in Os 192 .…”

Section: Introductionmentioning

confidence: 99%

Mixing Ratios of Transitions in the Decay ofIr192

Grabowski

1969

Phys. Rev.

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Mixing ratios of the 485-keV transition in Os 192 and the 296-, 308-, and 604-keV transitions in Pt 192 populated from the decay of Ir 192 were measured using the 7-7 directional-correlation method. In addition, the 468-316-keV, 589-612-keV, 885~316-keV, and 1063-316-keV 7-7 directional correlations in Pt 192 have been remeasured. Coaxial and planar Ge(Li) detectors and Nal(Tl) scintillation detectors were used in different combinations depending on the energy resolution required for a particular measurement. The results for the mixing ratios are 5 48& = + (10.9"i. 5 + 2 -1 ), 5 29 6= -(9.1_i. 7 + 2 -7 ), 5308= -(9.9±1.0), and §6o4-+ (2.0±0.2). The over-all agreement of the signs, as well as the absolute values of the mixing ratios with predictions of the pairing-plus-quadrupole model of Kumar and Baranger, is good.

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