The (6+) isomer in 102Sn revisited: Neutron and proton effective charges close to the double shell closure

H Grawe; P.H Regan; K Straub; ZSOLT PODOLYAK; T Faestermann; M Górska; C Hinke; R Krücken; F Nowacki; M Böhmer; P Boutachkov; H Geissel; R Gernhäuser; A Gottardo; J Grȩbosz; N Kurz; Z Liu; L Maier; K Steiger; S Pietri; H Weick; Zs Podolyák; H.J Wollersheim; P.J Woods; N Al-Dahan; N Alkhomashi; A Ataç; A Blazhev; N Braun; I Čeliković; T Davinson; I Dillmann; C Domingo-Pardo; P Doornenbal; G Farrelly; F Farinon; G de France; J Gerl; N Goel; T Habermann; R Hoischen; R Janik; M Karny; A Kaşkaş; I Kojouharov; Th Kröll; M Lewitowicz; Yu.A Litvinov; S Myalski; F Nebel; S Nishimura; C Nociforo; J Nyberg; A Parikh; A Procházka; C Rigollet; H Schaffner; C Scheidenberger; S Schwertel; P.-A Söderström; S Steer; A Stolz; P Strmeň; RISING Collaboration

doi:10.1016/j.physletb.2021.136591

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The (6+) isomer in 102Sn revisited: Neutron and proton effective charges close to the double shell closure

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The (6+) isomer in 102Sn revisited: Neutron and proton effective charges close to the double shell closure

H Grawe, P.H Regan, K Straub, ZSOLT PODOLYAK, T Faestermann, M Górska, C Hinke, R Krücken, F Nowacki, M Böhmer, …

Physics Letters B

10/09/2021

DOI: https://doi.org/10.1016/j.physletb.2021.136591

Abstract

Effective charges near 100Sn

Electromagnetic transitions

Shell model

In a high-energy fragmentation experiment at GSI an I=π(6+) isomer and its γ-decay are identified in 102Sn, the two-neutron neighbour of the doubly-magic 100Sn. Its half-life is measured to be T=1/2367(11) ns. The possible existence of further isomers is discussed in the framework of large-scale shell model (LSSM) calculations including up to five particle-hole excitations of the 100Sn core. From the precise B(E2; 6+→4+) strength and the recently remeasured value for B(E2; 8+→6+) in the two-proton hole neighbour 98Cd effective E2 polarization charges for protons and neutrons were inferred including LSSM corrections within the full N=4 0ħω space. The results are discussed in comparison to predicted and empirically determined effective operators.

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Title: The (6+) isomer in 102Sn revisited: Neutron and proton effective charges close to the double shell closure
Creators: H Grawe - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
P.H Regan - University of Surrey, School of Maths and Physics
K Straub - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
ZSOLT PODOLYAK - University of Surrey, School of Maths and Physics
T Faestermann - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
M Górska - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
C Hinke - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
R Krücken - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
F Nowacki - Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Srasbourg, France
M Böhmer - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
P Boutachkov - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
H Geissel - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
R Gernhäuser - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
A Gottardo - School of Physics and Astronomy, The University of Edinburgh, Edinburgh, EH9 3FD, UK
J Grȩbosz - The Henryk Niewodniczanski Institute of Nuclear Physics (IFJ PAN), 31-342 Krakow, Poland
N Kurz - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Z Liu - School of Physics and Astronomy, The University of Edinburgh, Edinburgh, EH9 3FD, UK
L Maier - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
K Steiger - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
S Pietri - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
H Weick - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Zs Podolyák - Department of Physics, University of Surrey, Guildford GU2 7XH, UK
H.J Wollersheim - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
P.J Woods - School of Physics and Astronomy, The University of Edinburgh, Edinburgh, EH9 3FD, UK
N Al-Dahan - Department of Physics, University of Surrey, Guildford GU2 7XH, UK
N Alkhomashi - Department of Physics, University of Surrey, Guildford GU2 7XH, UK
A Ataç - Physics Department, Faculty of Science, Ankara University, 06100 Tandogan, Ankara, Turkey
A Blazhev - Institute of Nuclear Physics, University of Cologne, D-50937 Cologne, Germany
N Braun - Institute of Nuclear Physics, University of Cologne, D-50937 Cologne, Germany
I Čeliković - Institute Vinca, University of Belgrade, 11000 Belgrade, Serbia
T Davinson - School of Physics and Astronomy, The University of Edinburgh, Edinburgh, EH9 3FD, UK
I Dillmann - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
C Domingo-Pardo - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
P Doornenbal - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
G Farrelly - Department of Physics, University of Surrey, Guildford GU2 7XH, UK
F Farinon - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
G de France - Grand Accélérateur National d'Ions Lourds, CEA/DSM-CNRS/IN2P3, 14076 Caen, France
J Gerl - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
N Goel - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
T Habermann - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
R Hoischen - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
R Janik - Comenius University, 81806 Bratislava 16, Slovakia
M Karny - Institute of Experimental Physics, University of Warsaw, PL-00681 Warsaw, Poland
A Kaşkaş - Physics Department, Faculty of Science, Ankara University, 06100 Tandogan, Ankara, Turkey
I Kojouharov - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Th Kröll - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
M Lewitowicz - Grand Accélérateur National d'Ions Lourds, CEA/DSM-CNRS/IN2P3, 14076 Caen, France
Yu.A Litvinov - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
S Myalski - The Henryk Niewodniczanski Institute of Nuclear Physics (IFJ PAN), 31-342 Krakow, Poland
F Nebel - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
S Nishimura - RIKEN Nishina Center, Wako, Saitama 351-0198, Japan
C Nociforo - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
J Nyberg - Department of Physics & Astronomy, Uppsala University, SE-75120 Uppsala, Sweden
A Parikh - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
A Procházka - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
C Rigollet - KVI, University of Groningen, 9747AA Groningen, the Netherlands
H Schaffner - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
C Scheidenberger - GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
S Schwertel - Physics Department E12, Technical University of Munich, D-85748 Garching, Germany
P.-A Söderström - Department of Physics & Astronomy, Uppsala University, SE-75120 Uppsala, Sweden
S Steer - Department of Physics, University of Surrey, Guildford GU2 7XH, UK
A Stolz - National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824-1321, USA
P Strmeň - Comenius University, 81806 Bratislava 16, Slovakia
RISING Collaboration
Publication Details: Physics Letters B
Publisher: Elsevier
Date published: 10/09/2021
Date accepted: 17/08/2021
Grants: Science and Technology Facilities Council (United Kingdom, Swindon) - STFC
Grant note: We thank the staff of the GSI ion source and accelerator for the preparation of a stable, high-intensity 124Xe beam, and we thank the fragment separator technicians for setting up the beamline detectors. We are also grateful to the EUROBALL Owners Committee for the use of the Euroball Cluster Detectors. This work was supported by the BMBF under contracts 06MT238, 06MT9156, 06KY205I and 06KY9136I; by the GSI; by the DFG Cluster of Excellence 153 “Origin and Structure of the Universe”; by the EC within the FP6 through I3-EURONS (contract no. RII3-CT-2004-506065); by the STFC of the UK; and by the Swedish Research Council.
Identifiers: 99598023202346
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

The (6+) isomer in 102Sn revisited: Neutron and proton effective charges close to the double shell closure

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