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Search: WFRF:(Fogelberg Birger)

  • Result 1-10 of 64
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1.
  • Aas, AJ, et al. (author)
  • Enhanced and quenched B(E1) transition rates between parity doublet bands in Ra-227
  • 1996
  • In: NUCLEAR PHYSICS A. - : ELSEVIER SCIENCE BV. - 0375-9474. ; 611:2-3, s. 281-314
  • Journal article (peer-reviewed)abstract
    • The fast timing beta gamma gamma(t) method has been used to measure level lifetimes in the parity doublet bands in Ra-227 populated in the beta(-) decay of Fr-227. In particular, T-1/2 = 254(9) ps, 236(30) ps, less than or equal to 41 ps and 16(13) ps hav
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2.
  • Aas, AJ, et al. (author)
  • Quenched E1 transition rates in Th-231
  • 1999
  • In: NUCLEAR PHYSICS A. - : ELSEVIER SCIENCE BV. - 0375-9474. ; 654:3-4, s. 499-522
  • Journal article (peer-reviewed)abstract
    • The fast timing beta gamma gamma(t) method has been used to measure lifetimes of the low-lying levels in Th-231 populated in the beta(-) decay of Ac-231. The half-life of the K-pi = 5/2(-) band-head at 185.7-keV was measured as T-1/2 = 1073(79) ps, yieldi
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7.
  • Fogelberg, Birger, et al. (author)
  • Neutron separation energies at N=83 and the isomer position in 136I
  • 2007
  • In: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 75:5, s. 054308-
  • Journal article (peer-reviewed)abstract
    • New experimental total β-decay energies of 135,136Te and of the two isomers of 136I have been obtained, giving much improved accuracy for the nuclear masses of these nuclides. The neutron separation energies at N=83 were deduced and are compared to recent theoretical and systematic predictions. The new results resolve the problem with the excitation energy of the isomeric state of 136I. Theoretical calculations of the isomer splitting of 136I are in good agreement with the new data.
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9.
  • Fogelberg, Birger, et al. (author)
  • Precise atomic mass values near Sn-132: The resolution of a puzzle
  • 1999
  • In: PHYSICAL REVIEW LETTERS. - : AMERICAN PHYSICAL SOC. - 0031-9007. ; 82:9, s. 1823-1826
  • Journal article (peer-reviewed)abstract
    • The total beta(-) decay energies of 14 nuclides in the vicinity of Sn-132 have been measured using high resolution spectroscopic methods. The present results derived for the atomic masses in this region are significantly more precise than the previously a
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10.
  • Fogelberg, Birger, et al. (author)
  • Research Opportunities in Fission Fragment Spectroscopy
  • 1997
  • In: In "PIAFE project - Physics Case" a special section of the proceedings of Int. Workshop on Research with Fission Fragments. - : World Scientific, Singapore. - 9810231407 ; , s. 307-313
  • Review (other academic/artistic)
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  • Result 1-10 of 64

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