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The Nucleus pp 91-96 | Cite as

Photoactivation of 180MTa at Astrophysically Relevant Energies

  • D. Belic
  • C. Arlandini
  • J. Besserer
  • J. de Boer
  • J. Enders
  • T. Hartmann
  • F. Käppeler
  • H. Kaiser
  • U. Kneissl
  • M. Loewe
  • H. J. Maier
  • H. Maser
  • P. Mohr
  • P. von Neumann-Cosel
  • A. Nord
  • H. H. Pitz
  • A. Richter
  • M. Schumann
  • S. Volz
  • A. Zilges
Chapter
  • 152 Downloads

Abstract

A possible connection of the isomeric state in 180Ta to its ground state band via low-lying intermediate states (IS) was investigated by means of photoactivation using bremsstrahlung. A depopulation of the isomer has been found down to a bremsstrahlung endpoint-energy of 1 MeV but not at the lowest bombarding energy of 0.8 MeV. Therefore an IS slightly lower than 1 MeV has to be assumed. Further IS were observed at about 1.2, 1.5, 2.1, 2.5, and 2.8 MeV, respectively.

Keywords

Intermediate State Yield Curve Isomeric State Radiator Target Enrich Target 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2000

Authors and Affiliations

  • D. Belic
    • 1
  • C. Arlandini
    • 2
  • J. Besserer
    • 3
  • J. de Boer
    • 3
  • J. Enders
    • 4
  • T. Hartmann
    • 4
  • F. Käppeler
    • 2
  • H. Kaiser
    • 4
  • U. Kneissl
    • 1
  • M. Loewe
    • 3
  • H. J. Maier
    • 3
  • H. Maser
    • 1
  • P. Mohr
    • 4
  • P. von Neumann-Cosel
    • 4
  • A. Nord
    • 1
  • H. H. Pitz
    • 1
  • A. Richter
    • 4
  • M. Schumann
    • 2
  • S. Volz
    • 4
  • A. Zilges
    • 4
  1. 1.Institut für StrahlenphysikUniversität StuttgartStuttgartGermany
  2. 2.Forschungszentrum KarlsruheInstitut für Kernphysik IIIKarlsruheGermany
  3. 3.Sektion PhysikLudwig-Maximilians-Univ. MünchenGarchingGermany
  4. 4.Institut für KernphysikTechnische Univ. DarmstadtDarmstadtGermany

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