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  • 1990-1994  (3)
  • 1985-1989  (2)
  • 23.40.−s  (3)
  • 23.20.Lv  (2)
  • 23.40.-s  (2)
Source
Material
Years
  • 1990-1994  (3)
  • 1985-1989  (2)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Investigation of new neutron-rich gold isotopes203Au and205Au (1994)
    Springer
    The European physical journal 347 (1994), S. 185-189 
    Details
    ISSN: 1434-601X
    Keywords: 27.80.+w ; 23.40.−s
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using a208Pb beam of the UNILAC accelerator at GSI we produced the new isotopes203Au and205Au and identified them by measuring theirβ-decay properties. Their half-lives were found to be 60(6)s and 31(2)s, respectively, and theQ-value of203Au was determined to beQ β =2040(60)keV. Nuclear structure information of203,205Hg was derived from this measurement. Furthermore, production cross-sections of203,205Au are given and compared to those obtained in other experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292375
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    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)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    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
    Keywords: 23.20.Lv ; 23.40.−s ; 27.60.+j ; 27.70.+ q
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294287
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Remeasurement of capture to positron decay ratios in22Na and65Zn and comparison with theory (1990)
    Springer
    The European physical journal 337 (1990), S. 169-173 
    Details
    ISSN: 1434-601X
    Keywords: 23.40.−s
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the decay of22Na theEC/β + ratio for theβ-transition to the 1275 keV-level was measured to beEC/β +=0.1050 (29). Single and coincidence counting was performed using a 16% Ge(Li) and an NaI well-type detector. For65Zn theK/β + ratio for the ground state transitionK 1/β +=30.3 (10) was obtained using the same apparatus and in addition a 10 mm diam. × 5.4 mm Si(Li) detector. The results are compared with earlier experiments and with theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294288
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 5
    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)
    Fulltext
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