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Triaxiality of neutron-rich 84;86;88Ge from low-energy nuclear spectra

Lettmann, M, Werner, V, Pietralla, N, Doornenbal, P, Obertelli, A, Rodríguez, TR, Sieja, K, Authelet, G, Baba, H, Calvet, D , Château, F, Chen, S, Corsi, A, Delbart, A, Gheller, J-M, Giganon, A, Gillibert, A, Lapoux, V, Motobayashi, T, Niikura, M, Paul, N, Roussé, J-Y, Sakurai, H, Santamaria, C, Steppenbeck, D, Taniuchi, R, Uesaka, T, Ando, T, Arici, T, Blazhev, A, Browne, F, Bruce, A, Caroll, RJ, Chung, LX, Cortés, ML, Dewald, M, Ding, B, Flavigny, F, Franchoo, S, Górska, M, Gottardo, A, Jungclaus, A, Lee, J, Linh, BD, Liu, J, Liu, Z, Lizarazo, C, Momiyama, S, Moschner, K, Nagamine, S, Nakatsuka, N, Nita, C, Nobs, CR, Olivier, L, Patel, Z, Podolyak, Zsolt, Rudigier, Matthias, Saito, T, Shand, Callum, Söderström, P-A, Stefan, I, Vaquero, V, Wimmer, K and Xu, Z (2017) Triaxiality of neutron-rich 84;86;88Ge from low-energy nuclear spectra Physical Review C, 96 (1), 011301(R).

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Abstract

-ray transitions between low-spin states of the neutron-rich 84;86;88Ge were measured by means of in-flight -ray spectroscopy at 270 MeV/u. Excited 6+ 1 , 4+ 1;2 and 2+ 1;2 states of 84;86Ge and 4+ 1 and 2+ 1;2 states of 88Ge were observed. Furthermore a candidate for a 3+ 1 state of 86Ge was identified. This state plays a key role in the discussion of ground-state triaxiality of 86Ge, along with other features of its low-energy level scheme. A new region of triaxially deformed nuclei is proposed in the Ge isotopic chain.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Lettmann, M
Werner, V
Pietralla, N
Doornenbal, P
Obertelli, A
Rodríguez, TR
Sieja, K
Authelet, G
Baba, H
Calvet, D
Château, F
Chen, S
Corsi, A
Delbart, A
Gheller, J-M
Giganon, A
Gillibert, A
Lapoux, V
Motobayashi, T
Niikura, M
Paul, N
Roussé, J-Y
Sakurai, H
Santamaria, C
Steppenbeck, D
Taniuchi, R
Uesaka, T
Ando, T
Arici, T
Blazhev, A
Browne, F
Bruce, A
Caroll, RJ
Chung, LX
Cortés, ML
Dewald, M
Ding, B
Flavigny, F
Franchoo, S
Górska, M
Gottardo, A
Jungclaus, A
Lee, J
Linh, BD
Liu, J
Liu, Z
Lizarazo, C
Momiyama, S
Moschner, K
Nagamine, S
Nakatsuka, N
Nita, C
Nobs, CR
Olivier, L
Patel, Z
Podolyak, ZsoltZ.Podolyak@surrey.ac.uk
Rudigier, Matthiasm.rudigier@surrey.ac.uk
Saito, T
Shand, Callumc.shand@surrey.ac.uk
Söderström, P-A
Stefan, I
Vaquero, V
Wimmer, K
Xu, Z
Date : 5 July 2017
Identification Number : 10.1103/PhysRevC.96.011301
Copyright Disclaimer : Copyright 2017 American Physical Society
Depositing User : Melanie Hughes
Date Deposited : 20 Jun 2017 11:22
Last Modified : 20 Apr 2018 07:28
URI: http://epubs.surrey.ac.uk/id/eprint/841438

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