First measurement of several beta-delayed neutron emitting isotopes beyond N=126
10.1103/PhysRevLett.117.012501
Inclou dades d'ús des de 2022
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hdl:2117/99936
Tipus de documentArticle
Data publicació2016-06-29
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Abstract
The beta-delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with beta-decay half-lives for 20 isotopes of Au, Hg, Tl, Pb, and Bi in the mass region N greater than or similar to 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 beta-decay strength distribution. This provides important constraints on global theoretical models currently used in r-process nucleosynthesis.
CitacióCalviño, F., Cortes, G., Algora, A., Benlliure, J., Bowry, M., Cortes, G., Dillmann, I., Estradé, A., Farinon, F., Geissel, H., Gelletly, W., Heil, M., Kurcewicz, J., Marganiec, J., Nociforo, C., Pietri, S., Prochazka, A., Maurice, S., Rubio, B., Smith, K.M., Tain, J., Weick, H., Woody, R. First measurement of several beta-delayed neutron emitting isotopes beyond N=126. "Physical review letters", 29 Juny 2016, vol. 117, núm. 1, p. 012501-1-012501-6.
ISSN0031-9007
Versió de l'editorhttp://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.012501
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