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Isomer Spectroscopy of Neutron-rich 165,167Tb

Gurgi, Laila, Regan, Patrick, Söderström, P-A, Watanabe, H, Walker, Philip, Podolyak, Zsolt, Nishimura, S, Berry, Thomas, Doornenbal, P, Lorusso, G , Isobe, T, Baba, H, Xu, ZY, Sakurai, H, Sumikama, T, Catford, Wilton, Bruce, AM, Browne, F, Lane, GJ, Kondev, FG, Odahara, A, Wu, J, Liu, HL, Xu, FR, Korkulu, Z, Lee, P, Liu, JJ, Phong, VH, Yagi, A, Zhang, GX, Alharbi, T, Carroll, RJ, Chae, KY, Dombradi, Z, Estrade, A, Fukuda, N, Griffin, C, Ideguchi, E, Inabe, N, Kanaoka, H, Kojouharov, I, Kubo, T, Kubono, S, Kurz, N, Kuti, I, Lalkovski, S, Lee, EJ, Lee, CS, Lotay, Gavin, Moon, CB, Nishizuka, I, Nita, CR, Patel, Z, Roberts, OJ, Schaffner, H, Shand, Callum, Suzuki, H, Takeda, H, Terashima, S, Vajta, Z, Kanaya, S and Valiente-Dobón, J-J (2017) Isomer Spectroscopy of Neutron-rich 165,167Tb In: Conference on Nuclear Physics “Extremes of the Nuclear Landscape”, 2016-08-28 - 2015-09-04, Zakopane, Poland.

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Abstract

We present information on the excited states in the prolate-deformed, neutron-rich nuclei 165;167Tb100;102. The nuclei of interest were synthesised following in-flight fission of a 345 MeV per nucleon 238U primary beam on a 2 mm 9Be target at the Radioactive Ion-Beam Factory (RIBF), RIKEN, Japan. The exotic nuclei were separated and identified event-by-event using the BigRIPS separator, with discrete energy gamma-ray decays from isomeric states with half-lives in the s regime measured using the EURICA gamma-ray spectrometer. Metastable-state decays are identified in 165Tb and 167Tb and interpreted as arising from hindered E1 decay from the 7 2 [523] single quasi-proton Nilsson configuration to rotational states built on the 3 2 [411] single quasi-proton ground state. These data correspond to the first spectroscopic information in the heaviest, odd-A terbium isotopes reported to date and provide information on proton Nilsson configurations which reside close to the Fermi surface as the 170Dy doubly-midshell nucleus is approached.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Gurgi, Lailal.a.gurgi@surrey.ac.ukUNSPECIFIED
Regan, PatrickP.Regan@surrey.ac.ukUNSPECIFIED
Söderström, P-AUNSPECIFIEDUNSPECIFIED
Watanabe, HUNSPECIFIEDUNSPECIFIED
Walker, PhilipP.Walker@surrey.ac.ukUNSPECIFIED
Podolyak, ZsoltZ.Podolyak@surrey.ac.ukUNSPECIFIED
Nishimura, SUNSPECIFIEDUNSPECIFIED
Berry, Thomast.berry@surrey.ac.ukUNSPECIFIED
Doornenbal, PUNSPECIFIEDUNSPECIFIED
Lorusso, GUNSPECIFIEDUNSPECIFIED
Isobe, TUNSPECIFIEDUNSPECIFIED
Baba, HUNSPECIFIEDUNSPECIFIED
Xu, ZYUNSPECIFIEDUNSPECIFIED
Sakurai, HUNSPECIFIEDUNSPECIFIED
Sumikama, TUNSPECIFIEDUNSPECIFIED
Catford, WiltonW.Catford@surrey.ac.ukUNSPECIFIED
Bruce, AMUNSPECIFIEDUNSPECIFIED
Browne, FUNSPECIFIEDUNSPECIFIED
Lane, GJUNSPECIFIEDUNSPECIFIED
Kondev, FGUNSPECIFIEDUNSPECIFIED
Odahara, AUNSPECIFIEDUNSPECIFIED
Wu, JUNSPECIFIEDUNSPECIFIED
Liu, HLUNSPECIFIEDUNSPECIFIED
Xu, FRUNSPECIFIEDUNSPECIFIED
Korkulu, ZUNSPECIFIEDUNSPECIFIED
Lee, PUNSPECIFIEDUNSPECIFIED
Liu, JJUNSPECIFIEDUNSPECIFIED
Phong, VHUNSPECIFIEDUNSPECIFIED
Yagi, AUNSPECIFIEDUNSPECIFIED
Zhang, GXUNSPECIFIEDUNSPECIFIED
Alharbi, TUNSPECIFIEDUNSPECIFIED
Carroll, RJUNSPECIFIEDUNSPECIFIED
Chae, KYUNSPECIFIEDUNSPECIFIED
Dombradi, ZUNSPECIFIEDUNSPECIFIED
Estrade, AUNSPECIFIEDUNSPECIFIED
Fukuda, NUNSPECIFIEDUNSPECIFIED
Griffin, CUNSPECIFIEDUNSPECIFIED
Ideguchi, EUNSPECIFIEDUNSPECIFIED
Inabe, NUNSPECIFIEDUNSPECIFIED
Kanaoka, HUNSPECIFIEDUNSPECIFIED
Kojouharov, IUNSPECIFIEDUNSPECIFIED
Kubo, TUNSPECIFIEDUNSPECIFIED
Kubono, SUNSPECIFIEDUNSPECIFIED
Kurz, NUNSPECIFIEDUNSPECIFIED
Kuti, IUNSPECIFIEDUNSPECIFIED
Lalkovski, SUNSPECIFIEDUNSPECIFIED
Lee, EJUNSPECIFIEDUNSPECIFIED
Lee, CSUNSPECIFIEDUNSPECIFIED
Lotay, Gaving.lotay@surrey.ac.ukUNSPECIFIED
Moon, CBUNSPECIFIEDUNSPECIFIED
Nishizuka, IUNSPECIFIEDUNSPECIFIED
Nita, CRUNSPECIFIEDUNSPECIFIED
Patel, ZUNSPECIFIEDUNSPECIFIED
Roberts, OJUNSPECIFIEDUNSPECIFIED
Schaffner, HUNSPECIFIEDUNSPECIFIED
Shand, Callumc.shand@surrey.ac.ukUNSPECIFIED
Suzuki, HUNSPECIFIEDUNSPECIFIED
Takeda, HUNSPECIFIEDUNSPECIFIED
Terashima, SUNSPECIFIEDUNSPECIFIED
Vajta, ZUNSPECIFIEDUNSPECIFIED
Kanaya, SUNSPECIFIEDUNSPECIFIED
Valiente-Dobón, J-JUNSPECIFIEDUNSPECIFIED
Date : 2017
Identification Number : 10.5506/APhysPolB.48.601
Copyright Disclaimer : Copyright 2016 The Author(s). Published under the conditions of Creative Common License, CC-BY 4.0.
Contributors :
ContributionNameEmailORCID
UNSPECIFIEDJagiellonian University, UNSPECIFIEDUNSPECIFIED
Depositing User : Symplectic Elements
Date Deposited : 26 Apr 2017 18:01
Last Modified : 20 Jul 2017 13:40
URI: http://epubs.surrey.ac.uk/id/eprint/814046

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