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  • 23.20.Lv  (2)
  • 23.20.Ck  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Fission and gamma-ray decay of the238U shape isomer (1992)
    Springer
    The European physical journal 341 (1992), S. 145-154 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.Ck ; 23.20.Lv ; 25.85.Ge ; 27.90.+b
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The decay of the238U superdeformed shape isomer has been reinvestigated by detecting for the first time simultaneously the fission and the gamma-back decay. An electrostatic deflection system has been used to transport the238mU recoils, produced in a238U(d, pn) reaction with a pulsed beam of 18 MeV deuterons, in front of a detector set-up consisting of three ion-implanted solidstate detectors and a Ge(Li) gamma-detector. The gamma-back decay has been measured in coincidence with conversion electrons of the 2+ → 0+ transition deexciting the first rotational state in238U. Two gamma-transitions of 2.513 MeV and 1.878 MeV have been observed with half-lives consistent with the result obtained for the decay by delayed fissionT 1/2=(298±18) ns.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01298474
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Beta decay of57Ni (1990)
    Springer
    The European physical journal 336 (1990), S. 313-316 
    Details
    ISSN: 1434-601X
    Keywords: 27.40.+z ; 23.20.Lv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The decay of57Ni was studied using both single and coincidence gamma-ray spectroscopy. Four new low-intensity transitions were observed in the single spectra. The energies and intensities of these transitions related to the 1378 keV transition were determined as 304.1 keV, 0.002%; 696.0 keV, 0.001%, 1350.5 keV, 0.002% and 1603.3 keV, 0.005%. Weak transitions at 541.9, 755.3 and 1279.9 keV were confirmed in agreement to earlier works, and their intensities related to 1378 keV were determined as 0.005%, 0.007% and 0.0012%, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292862
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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