Measurement of the Half-Life of the T = 1/2 Mirror Decay of super(19)Ne and its Implication on Physics Beyond the Standard Model
The 1/2 super(+) arrow right 1/2 super(+) superallowed mixed mirror decay of super(19)Ne to super(19)F is excellently suited for high precision studies of the weak interaction. However, there is some disagreement on the value of the half-life. In a new measurement we have determined this quantity to...
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| Veröffentlicht in: | Physical review letters 2014-05, Vol.112 (21) |
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| container_title | Physical review letters |
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| creator | Broussard, L J Back, H O Boswell, M S Crowell, A S Dendooven, P Giri, G S Howell, C R Kidd, M F Jungmann, K Kruithof, W L |
| description | The 1/2 super(+) arrow right 1/2 super(+) superallowed mixed mirror decay of super(19)Ne to super(19)F is excellently suited for high precision studies of the weak interaction. However, there is some disagreement on the value of the half-life. In a new measurement we have determined this quantity to be T sub(1/2) = 17.2832 + or - 0.0051 sub((stat)) + or - 0.0066 sub((syst)) s, which differs from the previous world average by 3 standard deviations. The impact of this measurement on limits for physics beyond the standard model such as the presence of tensor currents is discussed. |
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However, there is some disagreement on the value of the half-life. In a new measurement we have determined this quantity to be T sub(1/2) = 17.2832 + or - 0.0051 sub((stat)) + or - 0.0066 sub((syst)) s, which differs from the previous world average by 3 standard deviations. 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| subjects | Decomposition Half life Mathematical analysis Standard deviation Standard model (particle physics) Tensors |
| title | Measurement of the Half-Life of the T = 1/2 Mirror Decay of super(19)Ne and its Implication on Physics Beyond the Standard Model |
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