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First measurement of several β-delayed neutron emitting isotopes beyond N=126

Caballero-Folch1, R, Domingo-Pardo, C, Agramunt, J, Algora, A, Ameil, F, Arcones, A, Ayyad, Y, Benlliure, J, Borzov, IN, Bowry, M , Calvino, F, Cano-Ott, D, Cortes, G, Davinson, T, Dillmann, I, Estrade, A, Evdokimov, A, Faestermann, T, Farinon, F, Galaviz, D, Garcıa, AR, Geissel, H, Gelletly, William, Gernhauser, R, Gomez-Hornillos, MB, Guerrero, C, Heil, M, Hinke, C, Knobel, R, Kojouharov, I, Kurcewicz, J, Kurz, N, Litvinov, YA, Maier, L, Marganiec, J, Marketin, T, Marta, M, Martınez, T, Martınez-Pinedo, G, Montes, F, Mukha, I, Napoli, DR, Nociforo, C, Paradela, C, Pietri, S, Podolyak, Zsolt, Prochazka, A, Rice, S, Riego, A, Rubio, B, Schaffner, H, Scheidenberger, C, Smith, K, Sokol, E, Steiger, K, Sun, B, Taın, JL, Takechi, M, Testov, D, Weick, H, Wilson, E, Winfield, JS, Wood, Rachael, Woods, P and Yeremin, A (2017) First measurement of several β-delayed neutron emitting isotopes beyond N=126 Physical Review Letters., 117 (1), 012501.


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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 to global theoretical models currently used in r-process nucleosynthesis.

Item Type: Article
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Caballero-Folch1, R
Domingo-Pardo, C
Agramunt, J
Algora, A
Ameil, F
Arcones, A
Ayyad, Y
Benlliure, J
Borzov, IN
Bowry, M
Calvino, F
Cano-Ott, D
Cortes, G
Davinson, T
Dillmann, I
Estrade, A
Evdokimov, A
Faestermann, T
Farinon, F
Galaviz, D
Garcıa, AR
Geissel, H
Gernhauser, R
Gomez-Hornillos, MB
Guerrero, C
Heil, M
Hinke, C
Knobel, R
Kojouharov, I
Kurcewicz, J
Kurz, N
Litvinov, YA
Maier, L
Marganiec, J
Marketin, T
Marta, M
Martınez, T
Martınez-Pinedo, G
Montes, F
Mukha, I
Napoli, DR
Nociforo, C
Paradela, C
Pietri, S
Prochazka, A
Rice, S
Riego, A
Rubio, B
Schaffner, H
Scheidenberger, C
Smith, K
Sokol, E
Steiger, K
Sun, B
Taın, JL
Takechi, M
Testov, D
Weick, H
Wilson, E
Winfield, JS
Woods, P
Yeremin, A
Date : 1 January 2017
DOI : 10.1103/PhysRevLett.117.012501
Copyright Disclaimer : This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Published by the American Physical Society
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 01 Jul 2016 16:50
Last Modified : 16 Jan 2019 17:05

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