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  • 1995-1999  (2)
  • 1965-1969  (15)
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  • 1
    Electronic Resource
    Electronic Resource
    Einige neuere Messungen zur Prüfung der speziellen Relativitätstheorie (1965)
    Springer
    Naturwissenschaften 52 (1965), S. 636-639 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00637687
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  • 2
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1965)
    Springer
    Naturwissenschaften 52 (1965), S. 119-120 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00626343
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  • 3
    Electronic Resource
    Electronic Resource
    Evidence for the Iπ=8−, K=8 isomeric state in184Hf (1995)
    Springer
    The European physical journal 351 (1995), S. 11-12 
    Details
    ISSN: 1434-601X
    Keywords: 27.70.+q ; 23.20.Ck
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using an 11.4MeV/u136Xe beam of the UNILAC accelerator of GSI and anatW target, A=184 isobars were produced and separated by using an on-line mass separator. A new isomeric state was found in184Hf. This state decays with a half-life of 48(10) s and emits three γ-rays of 73, 482, and 555 keV as well as lower-lying cascade transitions. The hindrance of the 73 keV-E1 transition with ΔK=8 is compared with those of other even-even hafnium isotopes. The half-life of184Lu was estimated to be between 15 and 25s.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292780
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  • 4
    Electronic Resource
    Electronic Resource
    Beta-decay energy and atomic mass of148Tb (1995)
    Springer
    The European physical journal 352 (1995), S. 1-2 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Dr ; 27.60.+j
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Q EC values of the $${}^{148}Tb_{2^ - } $$ ground-state and the $${}^{148}Tb_{9^ + } $$ isomer were measured to the 5750(40) keV and 5846(50) keV, respectively, corresponding to a148Tb ground-state mass-excess of ⦓70527(30) keV. The impact on mass calculations near146Gd is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292750
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  • 5
    Electronic Resource
    Electronic Resource
    Der Zerfall des Tb158m (1965)
    Springer
    The European physical journal 184 (1965), S. 310-318 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Tb158m was produced from Tb159 by (n, 2n) reaction and investigated using scintillation spectrometers. The following results were obtained: half-life $$T_{\tfrac{1}{2}} = (10.5 \pm 0.2)$$ sec; energy of the isomeric transitionE γ =(109.9±1.4) keV; conversion coefficients α K =56±3; α L +α M +⋯=50±8; αtotal=106±10;K/L-ratioK/L=1.3±0.3, yielding the multipole order of the isomeric transition to beM3. Upper limits for the direct beta transitions from the isomeric state to the ground states of the neighbouring even-even nuclei Gd158 and Dy158 are 10−4 and 6·10−3, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01383827
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  • 6
    Electronic Resource
    Electronic Resource
    Zur Isomerie des Tl197 (1965)
    Springer
    The European physical journal 188 (1965), S. 282-289 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Tl197m was produced by the (α, 4n) reaction on Au197 using 49 MeVα particles. The following results were obtained: Half-lifeT 1/2=(0.55±0.02) sec; energy of the isomeric level (607±4) keV, determined directly by summing up the cascade transitions in a well-type scintillator; energy of the isomeric transition (222±2) keV; conversion coefficients of this transitionα K222=0.41±0.05 andα tot222=2.1±0.2, indicating anE3 multipolarity; energy of the second transition (385±3)keV; conversion coefficientsα K385=0.09±0.03 andα tot385〈0.1. This transition was identified asE2 with aM1 admixture of 20 to 30%. Spins and parities are 1/2+, 3/2+ and 9/2− for the ground state, the 385 keV state and the 607 keV isomeric state, respectively, in disagreement with the extreme single-particle model. If this model were correct, anotherM1 transition should appear. No furtherM1 transition having an energy greater than theL-shell binding energy of T1 was observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01325938
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  • 7
    Electronic Resource
    Electronic Resource
    Zur Isomerie des Au197 (1966)
    Springer
    The European physical journal 191 (1966), S. 1-9 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Au197m was produced from Au by fast neutron irradiation and investigated using scintillation and semiconductor gamma spectrometers. The following results were obtained: Half-lifeT 1/2=(7,5± 0,2) sec; conversion coefficients of the 130,5 keV isomeric transition:α K130.5=0,9±0,3 andα tot130,5=28 ± 4, indicating anE3 multipolarity. Conversion coefficients of the subsequent 278,5 keV transition:α K278,5=0,32±0,04 andα tot278,5=0,44±0,10. This transition was identified asM1 with anE2 admixture of (13± 13)%. The 278,5 keV level decays either by this transition (98,5%) or by a 202 keV- 77 keV cascade (1,5%). The experimental gamma transition probabilities are in reasonable agreement with the theoretical values calculated from the model ofKisslinger andSorensen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01362464
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  • 8
    Electronic Resource
    Electronic Resource
    Der Zerfall des125m Xe, des127m Xe und des127g Xe (1968)
    Springer
    The European physical journal 217 (1968), S. 282-293 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The decay of125m Xe produced by the reaction122Te(α, n)125m Xe using a target enriched in122Te (95.4%) and the decay of127m Xe produced by the reaction127J(d, 2n)127m Xe have been investigated: 125m Xe decays with a half-life ofT 1/2=(56±3) sec by ayy- cascade withE γ1=(140.4 ±0.5) keV andE γ2=(110.5 ±0.5) keV. The experimental conversion coefficients yield multipolarities ofE3 for the 140.4 keV isomeric transition and predominantlyM1 for the 110.5 keV-transition. 127m Xe decays with a half-life ofT 1/2=(71±2) sec. The decay also proceeds by aγγ-cascade with an isomeric E3 transition ofE γ1=(172.5±0.3) keV and a predominantlyM1 transition ofE γ2=(124.6±0.3) keV. In the decay of127g Xe an additional branching of the electron capture to a level at (618.1±0.3) keV was observed. The relative probability forK-captureP K618/PK375=0.40 ±0.07 yields a total transition energyQ EC=(664 ±4)keV. A spin of 1/2+ was assigned to the ground state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01394102
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  • 9
    Electronic Resource
    Electronic Resource
    Die Konversion des Hg199m (1965)
    Springer
    The European physical journal 185 (1965), S. 426-436 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Hg199m was produced from natural HgO by fastn irradiation. The cascade decay was investigated with scintillation spectrometers by application of the summing technique. The following results were obtained: half-lifeT 1/2=(43±0,5) min; energy of the isomeric transitionE γ1=(375±3)keV; conversion coefficients α K375=3,05±0,25; αtotal=5,45±0,25; yielding the multipole order of the isomeric transition to beM4+(25±15)%E5; energy of the second transitionE γ2=(159±2)keV; conversion coefficients α K159=0,30±0,03; αtotal=0,9±0,1, confirming the multipolarityE2 of this transition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01381711
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  • 10
    Electronic Resource
    Electronic Resource
    Wirkungsquerschnitte und Isomerenverhältnis für die Reaktionen89Y(α, 3n)90g Nb und89Y(α, 3n)90m Nb (1967)
    Springer
    The European physical journal 207 (1967), S. 28-34 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Absolute cross-sections and isomeric cross-section ratios have been measured for the reactions89Y(α, 3n)90g, 90m Nb. The energy of the α-particles was varied between 34 and 54 MeV. The experimental isomeric ratios are compared with statistical-model calculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01326091
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