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Shell evolution beyond Z = 28 and N = 50: Spectroscopy of 81,82,83,84 Zn

Shand, Callum, Podolyak, Zsolt, Górska, M., Doornenbal, P., Obertelli, A., Nowacki, F., Otsuka, T., Sieja, K., Tostevin, Jeffrey, Tsunoda, Y. , Authelet, G., Baba, H., Calvet, D., Château, A., Chen, S., Corsi, A., Delbart, A., Gheller, J.M., Giganon, A., Gillibert, A., Isobe, T., Lapoux, V., Matsushita, M., Momiyama, S., Motobayashi, T., Niikura, M., Otsu, H., Paul, N., Péron, C., Peyaud, A., Pollacco, E.C., Roussé, J.-Y., Sakurai, H., Santamaria, C., Sasano, M., Shiga, Y., Steppenbeck, D., Takeuchi, S., Taniuchi, R., Uesaka, T., Wang, H., Yoneda, K., Ando, T., Arici, T., Blazhev, A., Browne, F., Bruce, A.M., Carroll, R.J., Chung, L.X., Cortés, M.L., Dewald, M., Ding, B., Dombrádi, Zs., Flavigny, F., Franchoo, S., Giacoppo, F., Gottardo, A., Hadyńska-Klęk, K., Jungclaus, A., Korkulu, Z., Koyama, S., Kubota, Y., Lee, J., Lettmann, M., Linh, B.D., Liu, J., Liu, Z., Lizarazo, C., Louchart, C., Lozeva, R., Matsui, K., Miyazaki, T., Moschner, K., Nagamine, M., Nakatsuka, N., Nishimura, S., Nita, C.R., Nobs, C.R., Olivier, L., Ota, S., Orlandi, R., Patel, Z., Regan, P.H., Rudigier, Matthias, Şahin, E., Saito, T., Söderström, P.-A., Stefan, I., Sumikama, T., Suzuki, D., Vajta, Zs., Vaquero, V., Werner, V., Wimmer, K., Wu, J. and Xu, Z.Y. (2017) Shell evolution beyond Z = 28 and N = 50: Spectroscopy of 81,82,83,84 Zn Physics Letters B, 773. pp. 492-497.

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Abstract

We report on the measurement of new low-lying states in the neutron-rich 81,82,83,84Zn nuclei via in-beam γ -ray spectroscopy. These include the View the MathML source41+→21+ transition in 82Zn, the View the MathML source21+→0g.s.+ and View the MathML source41+→21+ transitions in 84Zn, and low-lying states in 81,83Zn were observed for the first time. The reduced View the MathML sourceE(21+) energies and increased View the MathML sourceE(41+)/E(2+1) ratios at N=52N=52, 54 compared to those in 80Zn attest that the magicity is confined to the neutron number N=50N=50 only. The deduced level schemes are compared to three state-of-the-art shell model calculations and a good agreement is observed with all three calculations. The newly observed 2+2+ and 4+4+ levels in 84Zn suggest the onset of deformation towards heavier Zn isotopes, which has been incorporated by taking into account the upper sdg orbitals in the Ni78-II and the PFSDG-U models.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Shand, Callumc.shand@surrey.ac.ukUNSPECIFIED
Podolyak, ZsoltZ.Podolyak@surrey.ac.ukUNSPECIFIED
Górska, M.UNSPECIFIEDUNSPECIFIED
Doornenbal, P.UNSPECIFIEDUNSPECIFIED
Obertelli, A.UNSPECIFIEDUNSPECIFIED
Nowacki, F.UNSPECIFIEDUNSPECIFIED
Otsuka, T.UNSPECIFIEDUNSPECIFIED
Sieja, K.UNSPECIFIEDUNSPECIFIED
Tostevin, JeffreyJ.Tostevin@surrey.ac.ukUNSPECIFIED
Tsunoda, Y.UNSPECIFIEDUNSPECIFIED
Authelet, G.UNSPECIFIEDUNSPECIFIED
Baba, H.UNSPECIFIEDUNSPECIFIED
Calvet, D.UNSPECIFIEDUNSPECIFIED
Château, A.UNSPECIFIEDUNSPECIFIED
Chen, S.UNSPECIFIEDUNSPECIFIED
Corsi, A.UNSPECIFIEDUNSPECIFIED
Delbart, A.UNSPECIFIEDUNSPECIFIED
Gheller, J.M.UNSPECIFIEDUNSPECIFIED
Giganon, A.UNSPECIFIEDUNSPECIFIED
Gillibert, A.UNSPECIFIEDUNSPECIFIED
Isobe, T.UNSPECIFIEDUNSPECIFIED
Lapoux, V.UNSPECIFIEDUNSPECIFIED
Matsushita, M.UNSPECIFIEDUNSPECIFIED
Momiyama, S.UNSPECIFIEDUNSPECIFIED
Motobayashi, T.UNSPECIFIEDUNSPECIFIED
Niikura, M.UNSPECIFIEDUNSPECIFIED
Otsu, H.UNSPECIFIEDUNSPECIFIED
Paul, N.UNSPECIFIEDUNSPECIFIED
Péron, C.UNSPECIFIEDUNSPECIFIED
Peyaud, A.UNSPECIFIEDUNSPECIFIED
Pollacco, E.C.UNSPECIFIEDUNSPECIFIED
Roussé, J.-Y.UNSPECIFIEDUNSPECIFIED
Sakurai, H.UNSPECIFIEDUNSPECIFIED
Santamaria, C.UNSPECIFIEDUNSPECIFIED
Sasano, M.UNSPECIFIEDUNSPECIFIED
Shiga, Y.UNSPECIFIEDUNSPECIFIED
Steppenbeck, D.UNSPECIFIEDUNSPECIFIED
Takeuchi, S.UNSPECIFIEDUNSPECIFIED
Taniuchi, R.UNSPECIFIEDUNSPECIFIED
Uesaka, T.UNSPECIFIEDUNSPECIFIED
Wang, H.UNSPECIFIEDUNSPECIFIED
Yoneda, K.UNSPECIFIEDUNSPECIFIED
Ando, T.UNSPECIFIEDUNSPECIFIED
Arici, T.UNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIED
Browne, F.UNSPECIFIEDUNSPECIFIED
Bruce, A.M.UNSPECIFIEDUNSPECIFIED
Carroll, R.J.UNSPECIFIEDUNSPECIFIED
Chung, L.X.UNSPECIFIEDUNSPECIFIED
Cortés, M.L.UNSPECIFIEDUNSPECIFIED
Dewald, M.UNSPECIFIEDUNSPECIFIED
Ding, B.UNSPECIFIEDUNSPECIFIED
Dombrádi, Zs.UNSPECIFIEDUNSPECIFIED
Flavigny, F.UNSPECIFIEDUNSPECIFIED
Franchoo, S.UNSPECIFIEDUNSPECIFIED
Giacoppo, F.UNSPECIFIEDUNSPECIFIED
Gottardo, A.UNSPECIFIEDUNSPECIFIED
Hadyńska-Klęk, K.UNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIED
Korkulu, Z.UNSPECIFIEDUNSPECIFIED
Koyama, S.UNSPECIFIEDUNSPECIFIED
Kubota, Y.UNSPECIFIEDUNSPECIFIED
Lee, J.UNSPECIFIEDUNSPECIFIED
Lettmann, M.UNSPECIFIEDUNSPECIFIED
Linh, B.D.UNSPECIFIEDUNSPECIFIED
Liu, J.UNSPECIFIEDUNSPECIFIED
Liu, Z.UNSPECIFIEDUNSPECIFIED
Lizarazo, C.UNSPECIFIEDUNSPECIFIED
Louchart, C.UNSPECIFIEDUNSPECIFIED
Lozeva, R.UNSPECIFIEDUNSPECIFIED
Matsui, K.UNSPECIFIEDUNSPECIFIED
Miyazaki, T.UNSPECIFIEDUNSPECIFIED
Moschner, K.UNSPECIFIEDUNSPECIFIED
Nagamine, M.UNSPECIFIEDUNSPECIFIED
Nakatsuka, N.UNSPECIFIEDUNSPECIFIED
Nishimura, S.UNSPECIFIEDUNSPECIFIED
Nita, C.R.UNSPECIFIEDUNSPECIFIED
Nobs, C.R.UNSPECIFIEDUNSPECIFIED
Olivier, L.UNSPECIFIEDUNSPECIFIED
Ota, S.UNSPECIFIEDUNSPECIFIED
Orlandi, R.UNSPECIFIEDUNSPECIFIED
Patel, Z.UNSPECIFIEDUNSPECIFIED
Regan, P.H.UNSPECIFIEDUNSPECIFIED
Rudigier, Matthiasm.rudigier@surrey.ac.ukUNSPECIFIED
Şahin, E.UNSPECIFIEDUNSPECIFIED
Saito, T.UNSPECIFIEDUNSPECIFIED
Söderström, P.-A.UNSPECIFIEDUNSPECIFIED
Stefan, I.UNSPECIFIEDUNSPECIFIED
Sumikama, T.UNSPECIFIEDUNSPECIFIED
Suzuki, D.UNSPECIFIEDUNSPECIFIED
Vajta, Zs.UNSPECIFIEDUNSPECIFIED
Vaquero, V.UNSPECIFIEDUNSPECIFIED
Werner, V.UNSPECIFIEDUNSPECIFIED
Wimmer, K.UNSPECIFIEDUNSPECIFIED
Wu, J.UNSPECIFIEDUNSPECIFIED
Xu, Z.Y.UNSPECIFIEDUNSPECIFIED
Date : 10 October 2017
Identification Number : 10.1016/j.physletb.2017.09.001
Copyright Disclaimer : © 2017 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP.
Depositing User : Clive Harris
Date Deposited : 18 Sep 2017 09:09
Last Modified : 22 Sep 2017 13:17
URI: http://epubs.surrey.ac.uk/id/eprint/842307

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