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Joakim

Joakim Cederkäll

Professor

Joakim

HIGH-SPIN STUDIES NEAR SN-100 WITH NORDBALL - NEW RESULTS ON IN-102, IN-104 AND SB-108

Author

  • A JOHNSON
  • D SEWERYNIAK
  • B CEDERWALL
  • J NYBERG
  • A ATAC
  • J BLOMQVIST
  • Joakim Cederkäll
  • C FAHLANDER
  • M KARNY
  • A KEREK
  • J KOWNACKI
  • LO NORLIN
  • R WYSS
  • E ADAMIDES
  • H GRAWE
  • E IDEGUCHI
  • R JULIN
  • S JUUTINEN
  • W KARCZMARCZYK
  • S MITARAI
  • M PIIPARINEN
  • R SCHUBART
  • G SLETTEN
  • S TORMANEN
  • A VIRTANEN
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Summary, in English

The NORDBALL detector array has been used in a gamma-ray spectroscopic study of neutron deficient nuclei close to 100Sn. A beam of 270 MeV 58Ni ions was used to bombard a target of Fe-54. Reaction channel separation was achieved with a 4pi charged particle Si-ball together with a 1pi neutron detector wall. Altogether 29 final nuclei were identified and excited states were observed for the first time in 8 of them. The weakest identified channel was 100Cd which represented 4.10(-3) % of the observed total yield. Level schemes Of 102In, 104In and 108Sb constructed from gamma-gamma-particle-coincidence and gamma-gamma-angular correlation analyses are presented. The observed structures are discussed in the framework of the nuclear shell-model. In 108Sb also a deformed, strongly coupled, level sequence is observed. This deformed structure is interpreted as built on a pig9/2(-1)xnuh11/2 configuration in agreement with TRS calculations.

Publishing year

1993

Language

English

Pages

401-410

Publication/Series

Nuclear Physics, Section A

Volume

557

Document type

Journal article

Publisher

Elsevier

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0375-9474