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First Measurement of Several β-Delayed Neutron Emitting Isotopes Beyond N=126

 

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Opened Access First Measurement of Several β-Delayed Neutron Emitting Isotopes Beyond N=126
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Author: Guerrero Sánchez, Carlos
Caballero Folch, R.
Domingo Pardo, César
Agramunt-Ros, J.
Algora, A.
Ameil, F.
Arcones, A.
Ayyad, Y.
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2006-06-29
Published in: Physical Review Letters, 117 (1), 012501-1-012501-6.
Document type: Article
Abstract: The β-delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with β-decay half-lives for 20 isotopes of Au, Hg, Tl, Pb, and Bi in the mass region N≳126. These are the heaviest species where neutron emission has been observed so far. These measurements provide key information to evaluate the performance of nuclear microscopic and phenomenological models in reproducing the high-energy part of the β-decay strength distribution. This provides important constraints on global theoretical models currently used in r-process nucleosynthesis.
Cite: Guerrero Sánchez, C., Caballero Folch, R., Domingo Pardo, C., Agramunt, J., Algora, A., Ameil, F.,...,Ayyad, Y. (2006). First Measurement of Several β-Delayed Neutron Emitting Isotopes Beyond N=126. Physical Review Letters, 117 (1), 012501-1-012501-6.
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URI: http://hdl.handle.net/11441/62488

DOI: 10.1103/PhysRevLett.117.012501

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