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Probing structural changes in the very neutron-deficient Os isotopes with recoil-decay tagging

Probing structural changes in the very neutron-deficient Os isotopes with recoil-decay tagging
Probing structural changes in the very neutron-deficient Os isotopes with recoil-decay tagging
In recent years, the exploitation of the recoil-decay tagging (RDT) technique with large arrays of germanium detectors has revealed much information about the structure of heavy nuclei approaching the proton drip line. The yrast bands of the N ? 93 osmium isotopes have been identified in a campaign of tagging experiments using various spectrometer arrays coupled to the RITU gas-filled separator based at the University of Jyväskylä. Trends in the yrast state excitation energies have indicated a transition from ?-soft triaxial to near-spherical shapes with decreasing neutron number. Recent experimental results for 162Os obtained with the JUROGAM and GREAT spectrometers also indicate the importance of configurations involving the h9/2 neutron states as the N = Z = 82 shell gaps are approached.
0954-3899
S1593-S1598
Joss, D.T.
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Amzal, N.
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Appelbe, D.E.
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Back, T.
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Bentley, M.A.
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Cederwall, B.
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Cocks, J.F.C.
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Cullen, D.M.
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Eeckhaudt, S.
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Grahn, T.
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Greenlees, P.T.
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Hadinia, B.
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Helariutta, K.
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Jones, P.M.
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Julin, R.
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Juutinen, S.
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Kankaanpaa, H.
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Keenan, A.
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Kettunan, H.
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King, S.L.
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Kuusiniemi, P.
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Lagergren, K.
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Leino, M.
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Leppanen, A.P.
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Muikku, M.
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Nieminen, P.
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Page, R.D.
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Pakarinen, J.
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Paul, E.S.
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Rahkila, P.
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Scholey, C.
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Savelius, A.
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Simpson, J.
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Taylor, M.J.
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Uusitalo, J.
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Williams, S.J.
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Warner, D.D.
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Wiseman, D.R.
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Wyss, R.
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Joss, D.T.
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Amzal, N.
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Appelbe, D.E.
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Back, T.
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Bentley, M.A.
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Cederwall, B.
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Cocks, J.F.C.
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Cullen, D.M.
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Eeckhaudt, S.
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Grahn, T.
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Greenlees, P.T.
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Hadinia, B.
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Helariutta, K.
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Jones, P.M.
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Julin, R.
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Juutinen, S.
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Kankaanpaa, H.
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Keenan, A.
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Kettunan, H.
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King, S.L.
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Kuusiniemi, P.
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Lagergren, K.
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Leino, M.
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Leppanen, A.P.
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Muikku, M.
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Nieminen, P.
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Page, R.D.
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Pakarinen, J.
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Paul, E.S.
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Rahkila, P.
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Scholey, C.
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Savelius, A.
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Simpson, J.
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Taylor, M.J.
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Uusitalo, J.
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Williams, S.J.
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Warner, D.D.
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Wiseman, D.R.
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Wyss, R.
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Joss, D.T., Amzal, N., Appelbe, D.E., Back, T., Bentley, M.A., Cederwall, B., Cocks, J.F.C., Cullen, D.M., Eeckhaudt, S., Grahn, T., Greenlees, P.T., Hadinia, B., Helariutta, K., Jones, P.M., Julin, R., Juutinen, S., Kankaanpaa, H., Keenan, A., Kettunan, H., King, S.L., Kuusiniemi, P., Lagergren, K., Leino, M., Leppanen, A.P., Muikku, M., Nieminen, P., Page, R.D., Pakarinen, J., Paul, E.S., Rahkila, P., Scholey, C., Savelius, A., Simpson, J., Taylor, M.J., Uusitalo, J., Williams, S.J., Warner, D.D., Wiseman, D.R. and Wyss, R. (2005) Probing structural changes in the very neutron-deficient Os isotopes with recoil-decay tagging. Journal of Physics G: Nuclear and Particle Physics, 31 (10), S1593-S1598. (doi:10.1088/0954-3899/31/10/039).

Record type: Article

Abstract

In recent years, the exploitation of the recoil-decay tagging (RDT) technique with large arrays of germanium detectors has revealed much information about the structure of heavy nuclei approaching the proton drip line. The yrast bands of the N ? 93 osmium isotopes have been identified in a campaign of tagging experiments using various spectrometer arrays coupled to the RITU gas-filled separator based at the University of Jyväskylä. Trends in the yrast state excitation energies have indicated a transition from ?-soft triaxial to near-spherical shapes with decreasing neutron number. Recent experimental results for 162Os obtained with the JUROGAM and GREAT spectrometers also indicate the importance of configurations involving the h9/2 neutron states as the N = Z = 82 shell gaps are approached.

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Published date: October 2005

Identifiers

Local EPrints ID: 57315
URI: http://eprints.soton.ac.uk/id/eprint/57315
ISSN: 0954-3899
PURE UUID: 4fb324c3-e593-4d4e-8778-890389055891

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Date deposited: 26 Aug 2008
Last modified: 13 Mar 2019 20:34

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Contributors

Author: D.T. Joss
Author: N. Amzal
Author: D.E. Appelbe
Author: T. Back
Author: M.A. Bentley
Author: B. Cederwall
Author: J.F.C. Cocks
Author: D.M. Cullen
Author: S. Eeckhaudt
Author: T. Grahn
Author: P.T. Greenlees
Author: B. Hadinia
Author: K. Helariutta
Author: P.M. Jones
Author: R. Julin
Author: S. Juutinen
Author: H. Kankaanpaa
Author: A. Keenan
Author: H. Kettunan
Author: S.L. King
Author: P. Kuusiniemi
Author: K. Lagergren
Author: M. Leino
Author: A.P. Leppanen
Author: M. Muikku
Author: P. Nieminen
Author: R.D. Page
Author: J. Pakarinen
Author: E.S. Paul
Author: P. Rahkila
Author: C. Scholey
Author: A. Savelius
Author: J. Simpson
Author: M.J. Taylor
Author: J. Uusitalo
Author: S.J. Williams
Author: D.D. Warner
Author: D.R. Wiseman
Author: R. Wyss

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