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Joakim

Joakim Cederkäll

Professor

Joakim

Structure of high-spin states in Pd-100

Author

  • GE Perez
  • D Sohler
  • A Algora
  • Z Dombradi
  • BM Nyako
  • J Timar
  • L Zolnai
  • R Wyss
  • Joakim Cederkäll
  • A Johnson
  • A Kerek
  • W Klamra
  • LO Norlin
  • M Lipoglavsek
  • C Fahlander
  • A Likar
  • M Palacz
  • A Atac
  • J Nyberg
  • J Persson
  • A Gizon
  • J Gizon
  • AJ Boston
  • ES Paul
  • H Grawe
  • R Schubart
  • DT Joss
  • S Juutinen
  • E Makela
  • J Kownacki
  • M de Poli
  • P Bednarczyk
  • G de Angelis
  • D Seweryniak
  • D Foltescu
  • HA Roth
  • O Skeppstedt
  • D Jerrestam
  • T Shizuma
  • G Sletten
  • S Tormanen
Show all

Summary, in English

High-spin states of the neutron deficient (100)pd nucleus have been investigated via the Cr-50(Ni-58, 4p alpha) and Zn-70(S-36,6n) heavy-ion induced reactions. For the detection of evaporated particles and gamma rays the NORDBALL array equipped with ancillary detectors and the EUROGAM II detector system were utilized. By the use of in-beam spectroscopic methods 89 transitions belonging to (100)pd have been observed, 49 of which were identified for the first time. The level scheme has been extended up to E-X approximate to 16 MeV excitation energy and I approximate to 25h. The experimental results were compared with the predictions of cranked shell model calculations. Maximal spin alignments were found in the (pig(9/2))(12+)(-4) (vd(5/2),g(7/2)(3)h(11/2))(13-) and (pig(9/2)(-3)p(1/2))(11-)(vd(5/2)g(7/2)(3)h(11/2))(13-) configurations. Possible existence of octupole correlations is discussed on the basis of 6 (E 1)lB(E2) values deduced for the decays of high-spin levels in the yrast negative-parity band. (C) 2001 Elsevier Science B.V. All rights reserved.

Publishing year

2001

Language

English

Pages

41-63

Publication/Series

Nuclear Physics, Section A

Volume

686

Document type

Journal article

Publisher

Elsevier

Topic

  • Subatomic Physics

Keywords

  • gamma and gamma gamma coincidences
  • particle-gamma
  • I-gamma
  • II gamma-ray spectrometers
  • measured E-gamma
  • 6n) reactions
  • 4p alpha) and Zn-70(S-36
  • Cr-50(Ni-58
  • NORDBALL and EUROGAM
  • gamma-ray angular correlation and
  • linear polarisation
  • deduced Pd-100 levels
  • I
  • pi
  • gamma-ray
  • multipolarities
  • terminating bands
  • total routhian surface plus cranked
  • shell model

Status

Published

ISBN/ISSN/Other

  • ISSN: 0375-9474