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Angular Momentum Population in the Fragmentation of Pb-208 at 1 GeV/Nucleon

Författare:
Publiceringsår: 2002
Språk: Engelska
Sidor:
Publikation/Tidskrift/Serie: Physical Review C
Volym: 65
Dokumenttyp: Artikel

Sammanfattning

A systematic study of the population probabilities of microsecond isomers produced following the fragmentation of 208Pb projectiles at 1 GeV/nucleon has been undertaken at the SIS/FRS facility at GSI Darmstadt. Gamma decays from approximately 20 isomeric states, mainly in the rare-earth and transitional nuclei with A∼180, were identified and the corresponding isomeric ratios deduced. The results are compared with a model based on the statistical abrasion-ablation description of relativistic fragmentation and simple assumptions concerning gamma cascades in the final nucleus (sharp cutoff). The model is found to represent an upper limit for the population of isomeric states in relativistic projectile fragmentation.

Disputation

Nyckelord

  • Physics and Astronomy

Övrigt

Published
Yes
  • Nuclear Structure

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