dorsal/arxiv
View SchemaNearby Doorways, Parity Doublets and Parity Mixing in Compound Nuclear States
| Authors | N. Auerbach, J. D. Bowman, V. Spevak |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9408027 |
| URL | https://arxiv.org/abs/nucl-th/9408027 |
| DOI | 10.1103/PhysRevLett.74.2638 |
Abstract
We discuss the implications of a doorway state model for parity mixing in compound nuclear states. We argue that in order to explain the tendency of parity violating asymmetries measured in $^{233}$Th to have a common sign, doorways that contribute to parity mixing must be found in the same energy neighbourhood of the measured resonance. The mechanism of parity mixing in this case of nearby doorways is closely related to the intermediate structure observed in nuclear reactions in which compound states are excited. We note that in the region of interest ($^{233}$Th) nuclei exhibit octupole deformations which leads to the existence of nearby parity doublets. These parity doublets are then used as doorways in a model for parity mixing. The contribution of such mechanism is estimated in a simple model.
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"abstract": "We discuss the implications of a doorway state model for parity mixing in\ncompound nuclear states. We argue that in order to explain the tendency of\nparity violating asymmetries measured in $^{233}$Th to have a common sign,\ndoorways that contribute to parity mixing must be found in the same energy\nneighbourhood of the measured resonance. The mechanism of parity mixing in this\ncase of nearby doorways is closely related to the intermediate structure\nobserved in nuclear reactions in which compound states are excited. We note\nthat in the region of interest ($^{233}$Th) nuclei exhibit octupole\ndeformations which leads to the existence of nearby parity doublets. These\nparity doublets are then used as doorways in a model for parity mixing. The\ncontribution of such mechanism is estimated in a simple model.",
"arxiv_id": "nucl-th/9408027",
"authors": [
"N. Auerbach",
"J. D. Bowman",
"V. Spevak"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevLett.74.2638",
"title": "Nearby Doorways, Parity Doublets and Parity Mixing in Compound Nuclear States",
"url": "https://arxiv.org/abs/nucl-th/9408027"
},
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