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  • 23.40.-s  (2)
  • 21.10 Dr  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Measurement of the147Gd mass excess by the (12C,9Be) reaction (1985)
    Springer
    The European physical journal 321 (1985), S. 435-438 
    Details
    ISSN: 1434-601X
    Keywords: 21.10 Dr ; 25.70−z ; 27.60+j A=147
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The mass excess of the147Gd nucleus was measured from the144Sm(12C,9Be)147Gd reaction using the 72 MeV12C beam of the Orsay MP Tandem and the “Bacchus” magnetic spectrometer. The measurement is auto-calibrated by the10Be spectrum from the144Sm(12C,10Be) reaction. The derived value of the mass excess of147Gd is −75.401±0.025 MeV. It is compared with other recent results and with calculated values.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411976
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  • 2
    Electronic Resource
    Electronic Resource
    β + ratio andβ-delayedγ-decay of146Eu (1988)
    Springer
    The European physical journal 329 (1988), S. 169-176 
    Details
    ISSN: 1434-601X
    Keywords: 23.40.-s ; 23.20.Lv ; 27.60.+j ; A=146
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The positron decay of146Eu was investigated, firstly to derive for the allowed transition to the 2046 keV state in146Sm the electron capture to positron decay ratio. The experimental valueEC/β +=43.7(42) is found to be in agreement within the respective error intervals with the ones calculated from the formalism of allowed decay using the recentQ-values of146Eu. Further on, theγ-decay properties of146Eu have been reinvestigated with emphasis on implied modifications of the hitherto accepted decay scheme: 42 new levels and 33 newγ-transitions were placed in the revised level scheme, 12 of the previously reported levels were deleted. The level distribution of146Sm is discussed within a statistical model. The indication for a non-statisticalβ-strength function is observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01283772
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    β-Delayed neutron emission of15B,18C,19,20N,34,35Al and39P (1988)
    Springer
    The European physical journal 330 (1988), S. 63-68 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.Np ; 23.40.-s ; 27.30.+ t
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The isotopes15B,18C,19,20N,34,35Al and39P have been produced as projectile-like fragments from the interaction of a86Kr beam of 45 MeV/u from GANIL with a181Ta target. Separated by the 0° magnetic analyser LISE, the nuclei are identified by means of aΔE- E semiconductor telescope. It is surrounded, in a geometry close to 4π, by a thin plastic scintillator (NE 102) and a large volume liquid scintillator (NE 213) for the detection of betas and neutrons, respectively, from the decay of the implanted nuclei. By observation of theβ-delayed neutrons, the half-livesT 1/2 and neutron emission probabilitiesP n have been measured. TheT 1/2 of18C,20N,35Al,39P and Pn of18C,19,20N,34,35Al and39P are determined for the first time. For the isotopes17C,36,37Si and38P upper limits of Pn are deduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287265
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    Paper (German National Licenses)
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