dorsal/arxiv
View SchemaMissing and Quenched Gamow Teller Strength
| Authors | E. Caurier, A. Poves, A. P. Zuker |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9401010 |
| URL | https://arxiv.org/abs/nucl-th/9401010 |
| DOI | 10.1103/PhysRevLett.74.1517 |
| Journal | Phys.Rev.Lett.74:1517-1520,1995 |
Abstract
Gamow-Teller strength functions in full $(pf)^{8}$ spaces are calculated with sufficient accuracy to ensure that all the states in the resonance region have been populated. Many of the resulting peaks are weak enough to become unobservable. The quenching factor necessary to bring into agreement the low lying observed states with shell model predictions is shown to be due to nuclear correlations. To within experimental uncertainties it is the same that is found in one particle transfer and (e,e') reactions. Perfect consistency between the observed $^{48}Ca(p,n)^{48}Sc$ peaks and the calculation is achieved by assuming an observation threshold of 0.75\% of the total strength, a value that seems typical in several experiments
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"abstract": "Gamow-Teller strength functions in full $(pf)^{8}$ spaces are calculated with\nsufficient accuracy to ensure that all the states in the resonance region have\nbeen populated. Many of the resulting peaks are weak enough to become\nunobservable. The quenching factor necessary to bring into agreement the low\nlying observed states with shell model predictions is shown to be due to\nnuclear correlations. To within experimental uncertainties it is the same that\nis found in one particle transfer and (e,e\u0027) reactions. Perfect consistency\nbetween the observed $^{48}Ca(p,n)^{48}Sc$ peaks and the calculation is\nachieved by assuming an observation threshold of 0.75\\% of the total strength,\na value that seems typical in several experiments",
"arxiv_id": "nucl-th/9401010",
"authors": [
"E. Caurier",
"A. Poves",
"A. P. Zuker"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevLett.74.1517",
"journal_ref": "Phys.Rev.Lett.74:1517-1520,1995",
"title": "Missing and Quenched Gamow Teller Strength",
"url": "https://arxiv.org/abs/nucl-th/9401010"
},
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