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First measurement of beta decay half-lives in neutron-rich Tl and Bi isotopes

Benzoni, G, Morales, AI, Bracco, A, Camera, F, Crespi, FCL, Corsi, AM, Leoni, S, Million, B, Nicolini, R, Wieland, O , Valiente-Dobón, JJ, Gottardo, A, de Angelis, G, Napoli, DR, Sahin, E, Gottardo, A, Lunardi, S, Bracco, A, Camera, F, Crespi, FCL, Corsi, AM, Leoni, S, Nicolini, R, Gadea, A, Algora, A, Lunardi, S, Bazzacco, D, Farnea, E, Menegazzo, R, Mengoni, D, Recchia, F, Ur, CA, Boutachkov, P, Górska, M, Pietri, S, Weick, H, Cortes, ML, Domingo-Pardo, C, Engert, T, Farinon, F, Geissel, H, Gerl, J, Goel, N, Gregor, E, Habermann, T, Hoischen, R, Kojouharov, I, Kurz, N, Naqvi, F, Nociforo, C, Prochazka, A, Prokopowicz, W, Schaffner, H, Sharma, A, Wollersheim, H-J, Bruce, AM, Denis Bacelar, AM, Grebosz, J, Podolyak, Z, Regan, PH, Al-Dahan, N, Bowry, M, Bunce, M, Deo, AY, Farrelly, GF, Reed, MW, Swan, TPD, Walker, PM, Pfützner, M, Alcántara Núñez, J, Ayyad, Y, Benlliure, J, Alkhomashi, N, Allegro, PRP, Ribas, RV, Casarejos, E, Doncel, M, Dombradi, Z, Eppinger, K, Klupp, S, Steiger, K, Hoischen, R, Rudolph, D, Janik, R, Sitar, B, Strmen, P, Szarka, I, Mandal, S, Siwal, D, Naqvi, F, Corsi, AM, Al-Dahan, N and Walker, PM (2012) First measurement of beta decay half-lives in neutron-rich Tl and Bi isotopes Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 715 (4-5). pp. 293-297.

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Abstract

Neutron-rich isotopes around lead, beyond N= 126, have been studied exploiting the fragmentation of an uranium primary beam at the FRS-RISING setup at GSI. For the first time β-decay half-lives of Bi and Tl isotopes have been derived. The half-lives have been extracted using a numerical simulation developed for experiments in high-background conditions. Comparison with state of the art models used in r-process calculations is given, showing a systematic underestimation of the experimental values, at variance from close-lying nuclei. © 2012 Elsevier B.V.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Benzoni, G
Morales, AI
Bracco, A
Camera, F
Crespi, FCL
Corsi, AM
Leoni, S
Million, B
Nicolini, R
Wieland, O
Valiente-Dobón, JJ
Gottardo, A
de Angelis, G
Napoli, DR
Sahin, E
Gottardo, A
Lunardi, S
Bracco, A
Camera, F
Crespi, FCL
Corsi, AM
Leoni, S
Nicolini, R
Gadea, A
Algora, A
Lunardi, S
Bazzacco, D
Farnea, E
Menegazzo, R
Mengoni, D
Recchia, F
Ur, CA
Boutachkov, P
Górska, M
Pietri, S
Weick, H
Cortes, ML
Domingo-Pardo, C
Engert, T
Farinon, F
Geissel, H
Gerl, J
Goel, N
Gregor, E
Habermann, T
Hoischen, R
Kojouharov, I
Kurz, N
Naqvi, F
Nociforo, C
Prochazka, A
Prokopowicz, W
Schaffner, H
Sharma, A
Wollersheim, H-J
Bruce, AM
Denis Bacelar, AM
Grebosz, J
Podolyak, Z
Regan, PH
Al-Dahan, N
Bowry, M
Bunce, M
Deo, AY
Farrelly, GF
Reed, MW
Swan, TPD
Walker, PM
Pfützner, M
Alcántara Núñez, J
Ayyad, Y
Benlliure, J
Alkhomashi, N
Allegro, PRP
Ribas, RV
Casarejos, E
Doncel, M
Dombradi, Z
Eppinger, K
Klupp, S
Steiger, K
Hoischen, R
Rudolph, D
Janik, R
Sitar, B
Strmen, P
Szarka, I
Mandal, S
Siwal, D
Naqvi, F
Corsi, AM
Al-Dahan, N
Walker, PM
Date : 10 September 2012
Identification Number : 10.1016/j.physletb.2012.07.063
Additional Information : NOTICE: this is the author’s version of a work that was accepted for publication in Physics Letters B. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Physics Letters B, 715(4-5), September 2012, DOI 10.1016/j.physletb.2012.07.063.
Depositing User : Symplectic Elements
Date Deposited : 17 May 2013 10:49
Last Modified : 31 Oct 2017 15:05
URI: http://epubs.surrey.ac.uk/id/eprint/729138

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