Investigation of Shape Changes in 87Mo

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The level scheme of 87Mo was investigated with the reaction Ni-58(S-32, 2pn) at projectile energies of 110-130 MeV and the reaction Ca-40(Cr-50, 2pn) at 170 MeV. Extensive spectroscopic information was collected including gamma-gamma and neutron-gated gamma-gamma-coincidences as well as coincidences with identified 87Mo residues. Level lifetimes were studied with the RDDS and DSA methods. The angular distributions of low-lying transitions were measured. The results indicate a sudden transition from single-particle-like to collective behavior which is caused by g9/2 particle alignment. The level scheme was constructed up to 12 MeV excitation energy and a probable spin of 49/2 HBAR.


  • C. Winter
  • D. J. Blumenthal
  • P. Chowdhury
  • B. Crowell
  • P. J. Ennis
  • S. J. Freeman
  • C. J. Lister
  • C. J. Gross
  • J. Heese
  • A. Jungclaus
  • K. P. Lieb
  • Dirk Rudolph
  • M. A. Bentley
  • W. Gelletly
  • J. Simpson
  • J. L. Durell
  • B. J. Varley
Externa organisationer
  • External Organization - Unknown

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Subatomär fysik
Sidor (från-till)137-160
TidskriftNuclear Physics, Section A
Utgåva nummer1
StatusPublished - 1991
Peer review utfördJa