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Investigation of the magnetic rotation in 196Pb

  • G. Kemper
  • A. Dewald
  • I. Wiedenhöver
  • R. Peusquens
  • S. Kasemann
  • K.O. Zell
  • P. von Brentano
  • H. Hübel
  • S. Chmel
  • A. Görgen
  • D. Bazzacco
  • R. Venturelli
  • S. Lunardi
  • D.R. Napoli
  • F. Hannachi
  • A. Lopez-Martens
  • R. Krücken
  • J.R. Cooper
  • R.M. Clark
  • M.A. Deleplanque
  • I.Y. Lee
  • A.O. Machiavelli
  • F.S. Stephens
Short Note

Abstract:

Lifetimes for low-lying members of the irregular ΔI = 1 band in 196Pb have been measured by means of the EUROBALL spectrometer using the coincidence recoil distance technique. The 164Dy(36S,4n)196Pb reaction at a beam energy of 168 MeV was used. The data were analyzed with the differential decay-curve method (DDCM). A characteristic drop in the reduced transition probabilities with increasing angular momentum was observed in agreement with predictions by the semiclassical model for the shears mechanism.

PACS. 21.10.Ky Electromagnetic moments – 21.10.Re Collective levels – 23.20.-g Electromagnetic transitions – 27.80.+w 190 ?A? 219 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2001

Authors and Affiliations

  • G. Kemper
    • 1
  • A. Dewald
    • 1
  • I. Wiedenhöver
    • 1
  • R. Peusquens
    • 1
  • S. Kasemann
    • 1
  • K.O. Zell
    • 1
  • P. von Brentano
    • 1
  • H. Hübel
    • 2
  • S. Chmel
    • 2
  • A. Görgen
    • 2
  • D. Bazzacco
    • 3
  • R. Venturelli
    • 3
  • S. Lunardi
    • 3
  • D.R. Napoli
    • 4
  • F. Hannachi
    • 5
  • A. Lopez-Martens
    • 5
  • R. Krücken
    • 6
  • J.R. Cooper
    • 6
  • R.M. Clark
    • 7
  • M.A. Deleplanque
    • 7
  • I.Y. Lee
    • 7
  • A.O. Machiavelli
    • 7
  • F.S. Stephens
    • 7
  1. 1.Institut für Kernphysik, Universität zu Köln, Zülpicher Str. 77, D-50937 Köln, GermanyDE
  2. 2.Institut für Strahlen- und Kernphysik, Universität Bonn, Bonn, GermanyDE
  3. 3.Dipartimento di Fisica, Università and INFN Sezione Padova, ItalyIT
  4. 4.INFN, Laboratori Nazionali di Legnaro, ItalyIT
  5. 5.Institut de Physique Nucleaire, 91405 Orsay, Cedex, FranceFR
  6. 6.A.W. Wright Nuclear Structure Laboratory Yale University, New Haven, CT 06520, USAUS
  7. 7.Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USAUS

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