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  • 27.70.+ q  (3)
  • 23.20.Lv  (2)
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Materialart
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  • 1
    Digitale Medien
    Digitale Medien
    β + ratio andβ-delayedγ-decay of146Eu (1988)
    Springer
    The European physical journal 329 (1988), S. 169-176 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 23.40.-s ; 23.20.Lv ; 27.60.+j ; A=146
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01283772
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Decay of the new isotope167W (1989)
    Springer
    The European physical journal 332 (1989), S. 153-156 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 27.70.+ q ; 23.60.+ e
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Theα- and β-decay of the new isotope167W were observed in the reaction of 191 MeV36Ar with136Ba using a helium-jet and a fast tape-transport system. The identification is based on coincidences with tantalum X-rays and excitation function measurements. The measured half-life is 19.9(5) s. A decay scheme comprising 12 levels was constructed from γγ-coincidences. The β-decay is discussed within experimental and calculated level systematics. Alpha-rays with energy 4.55(2) MeV were assigned to167W.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01289770
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Beta-delayed gammas and QEC-values in the decays of150m,152mHo and149Dy (1990)
    Springer
    The European physical journal 337 (1990), S. 161-168 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 23.20.Lv ; 23.40.−s ; 27.60.+j ; 27.70.+ q
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract 150m, 152mHo, and149Dy were produced by fusion-evaporation reactions of40Ar with targets of natural indium and114Cd. Theβ-decays of the isotopes were reinvestigated with emphasis on high-excitation daughter states. The decay energies for selectedβ-transitions were measured from electron-capture to positron-decay ratios. Corrections forγ-feeding from higher-lying states were taken into account. The following QEC-values were derived for150mHo,152mHo, and149mDy of 6819 ( −100 +117 , 6263 ( −80 +89 ), and 3914 ( −52 +76 ) keV, respectively.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01294287
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    The decay of the new isotope180Yb and the search for ther-Process path to180mTa (1987)
    Springer
    The European physical journal 328 (1987), S. 119-122 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 27.70.+ q
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract IrradiatingnatW/Ta targets with186W, the decay of the new isotope180Yb was observed and its half-life determined to be 2.4(5) min. Based on the measuredβ-,γ- and X-ray data, ther-process production of180mTa and the role of a possible isomer180mLu in this context are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01295189
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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