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  • 1
    Electronic Resource
    Electronic Resource
    Coking Experiments on Western Coals (1949)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 41 (1949), S. 556-563 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50471a024
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  • 2
    Electronic Resource
    Electronic Resource
    Vibrating probe density meter for determination of atom percent deuterium in lithium hydride-lithium deuteride mixtures (1981)
    s.l. : American Chemical Society
    Analytical chemistry 53 (1981), S. 243-245 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac00225a027
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  • 3
    Electronic Resource
    Electronic Resource
    Shape transitions and shape coexistence in the Ru and Hg chains (1991)
    Springer
    The European physical journal 338 (1991), S. 261-270 
    Details
    ISSN: 1434-601X
    Keywords: 21.60E
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The General Collective Model (GCM) is revised and applied to the chain of182–196Hg- and96–108Ru-isotopes. Calculated energy spectra, absolute B(E2) values and Quadrupole moments are presented and compared to experiment. For many of these nuclei a coexistence of spherical and triaxial shapes was found. Additionally we investigated the shape transition within the Ru-chain from prolate (96Ru) over spherical (98Ru) to triaxial (A ≧100). The results are compared to microscopic and IBA calculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01288188
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  • 4
    Electronic Resource
    Electronic Resource
    The shape of the allowed positron spectrum of Na22 (1964)
    Springer
    The European physical journal 181 (1964), S. 196-205 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The shape of the allowed positron spectrum from the decay of Na22 has been studied under various experimental conditions in an ironfree, double-focusing spectrometer in search of instrumental distortions of the spectrum. The possibility of positrons back-scattering from the material directly behind the source on the optical path of the positrons was studied. The beta spectrum shape was measured with end-plates (located ∼6.5 cm behind the source) of aluminum, lucite and lead. Different spectrometer baffle settings were also used. No differences were observed in the spectrum shapes taken under the different experimental conditions. The experimental shape factor could be fitted with an empirical shape of the form of (1+b/W) with 0.10≲b≲0.3 in agreement with earlier work.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01380507
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  • 5
    Electronic Resource
    Electronic Resource
    810.6–863.6 keV γγ-directional correlation in58Fe (1971)
    Springer
    The European physical journal 245 (1971), S. 50-54 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The 810.6–863.6 keV γγ-directional correlation has been measured with an NaI(Tl)-Ge(Li) detector system. The NaI window was set on the 810.6+863.6 keV composite peak. From the (810.6 NaI gate) (863.6 Ge spectrum) data at 90 °, 135 °, and 180 °, we deducedA 2=+0.51±0.03 andA 4=+0.09±0.04. These results disagree with the values previously obtained from58Co decay (with Nal-NaI detector systems) but agree with the values from γγ(θ) studies following thermal neutron capture by57Fe.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01395175
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  • 6
    Electronic Resource
    Electronic Resource
    Search for weak transitions in the decay of125Sb and accurate gamma intensities (1973)
    Springer
    The European physical journal 261 (1973), S. 137-142 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The weak transitions in the decay of125Sb have been investigated through gamma ray measurements with high resolution X-ray and with large volume Ge(Li) detectors. The 172.6, 178.8 and 198.5 keV gamma rays are confirmed, while others previously reported were not. Accurate intensities were obtained for the stronger transitions. The weighted averages of these intensities which cover the range of 116 to 670 keV are useful for calibration of Ge(Li) systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01394555
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  • 7
    Electronic Resource
    Electronic Resource
    Conversion electron measurements in the decay of156Tb (1971)
    Springer
    The European physical journal 241 (1971), S. 103-116 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The conversion electron spectrum from the decay of156Tb to156Gd was measured with an iron, double-focusing spectrometer. TheK conversion coefficient of the 1222.4 keV transition was measured relative to theK conversion coefficient of the 661.6 keV transition in137Cs and found to be 0.00174±0.00013. This result was used to normalize electron and gamma-ray data to obtain theK conversion coefficients of 33 transitions in156Gd. The 1009.6 and 1040.6 keV transitions have largeE0 components.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01397899
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  • 8
    Electronic Resource
    Electronic Resource
    Band mixing in156Gd and158Gd (1972)
    Springer
    The European physical journal 253 (1972), S. 1-12 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A detailed investigation of the energies and intensities of the γ-rays that depopulate the low spin levels of the β- and γ-vibrational bands of156Gd and the γ-vibrational band of158Gd has been conducted. Both singles and γ-γ coincidence measurements were made on sources of 15-d156Eu and 46-min158Eu by use of large volume, high resolution Ge(Li) detectors. In addition to the γ-band at 1154.09 keV, twoK π=0+ bands were observed in156Gd with band heads at 1049.45 and 1168.11 keV, respectively. The 2+ and 3+ members of the γ-vibrational band in158Gd were observed at 1187.12 and 1265.43 keV, respectively, as well as a newK π=0+ band at 1195.98 keV. A first order perturbational treatment of the branching ratios was applied to both nuclei. In addition, the mixing between the ground state, the β-, and the γ-vibrational bands of156Gd is considered from two approaches, but neither satisfactorily explains all the experimentalB(E2) ratios.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01387164
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  • 9
    Electronic Resource
    Electronic Resource
    Directional correlations in the decay of 1200y 166Ho (1981)
    Springer
    The European physical journal 303 (1981), S. 321-328 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract γγ-directional correlations have been measured between the ground state band transitions 6→4, 4→2 and 2→0 and the γ-rays depopulating the levels of the gamma vibrational band and the negative parity states of166Er. Thereby angular momenta could be assigned to the latter states andM2/E1 multipole mixtures determined for the depopulating γ-transitions. TheE2/M1 mixing ratios were obtained for a series ofI γ→I g transitions up toI γ=8+. These are used to investigate the angular momentum dependence of theE2/M1 admixtures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01421530
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  • 10
    Electronic Resource
    Electronic Resource
    Gamma-gamma directional correlations and coincidence studies in154Gd (1977)
    Springer
    The European physical journal 282 (1977), S. 179-190 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The intensities, placements andE2/M1 mixing ratios of transitions in the decay of154Eu have been carefully studied to provide accurate data for microscopic calculations. Coincidence relationships in the decay of154Eu have been studied extensively with a multiparameterγ-γ coincidence system with two large volume Ge(Li) detectors. Spectra in coincidence with twenty energy gates were analyzed. Twenty-nine new coincidence relationships were established and confirmed most, but not all, of several levels previously assigned by energy fits only. From an analysis of coincidence spectra and singles spectra with a 18% efficiency Ge(Li) detector new information on the gamma-ray intensities were obtained. Precise values of theE2/M1 mixing ratios of transitions from the gamma- and beta-vibrational bands to the g.s. band have been determined fromγ-γ directional correlation measurements with a NaI(Tl)-Ge(Li) detector coincidence system. Mixing ratios were obtained for a number of other transitions including those fromK π =0− and 2+ bands from direct and skipped cascade correlations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408162
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