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  • 1975-1979  (6)
Datenquelle
Materialart
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    The internal conversion of theN=81 Isotones139m Ce and141m Nd (1978)
    Springer
    The European physical journal 284 (1978), S. 157-160 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A rapid gas-jet system was used for preparation ofβ −-samples of139m Ce and141m Nd. Conversion electrons and photons were detected simultaneously with absolutely calibrated detectors. Conversion coefficientsα K = 0.0732±0.0023 andα K=0.0824±0.0029, conversion ratiosK/L+...= 4.68±0.20 andK/L+...=4.58±0.23 were measured for139m Ce, and141m Nd, respectively. The calculated M4 values of Hager and Seltzer, and Dragoun et al. were confirmed within the experimental accuracy.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01411322
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  • 2
    Digitale Medien
    Digitale Medien
    Spin of207mPo(2.79s); conversion measurement in207gPo decay (1978)
    Springer
    The European physical journal 286 (1978), S. 301-305 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract In207m Po decay, the conversion of cascadingγ-rays 268 keV, 300 keV, and 814 keV was measured yielding the multipolarity to beE3.M2, andE2, respectively. Thereby, the spin of the isomeric state at 1382.95±0.14 keV was measured to be 19/2−. In207g Po decay, conversion electron andγ-ray intensities were remeasured in order to check earlier experimental inconsistencies.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01408261
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Radiative capture of deuterons in Ba and Au (1979)
    Springer
    The European physical journal 291 (1979), S. 377-381 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract 138Ba(d,γ)140La and197Au(d,γ)199mHg cross sections were measured for deuteron energies ranging from 5 to 26 MeV. A survey of existing experimental (p,γ), (d,γ) and (α,γ) cross sections is given. A comparison of all the experimental data with calculated compound nucleus cross sections is performed. An increase in the ratio of experimental cross sections and calculated compound nuclear cross sections with increasing mass numberA is observed for all capture processes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01408388
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  • 4
    Digitale Medien
    Digitale Medien
    New isomeric state in76Br with half-life 1.49 sec (1978)
    Springer
    The European physical journal 289 (1978), S. 121-122 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract In the course of systematic investigation of low-lying nuclear states in the region around the spacing at N=40 in the simple shell model a new isomeric state in76Br at 102.59±0.03 keV has been found having a half-life of 1.49±0.02 sec and spin 4+.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01408504
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  • 5
    Digitale Medien
    Digitale Medien
    Investigation of dual decay of70Ga (21 min) (1977)
    Springer
    The European physical journal 281 (1977), S. 125-128 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The weakβ −-branchings in70Ga decay leading to excited states in70Ge at 1039 keV, and 1215 keV were measured byβ −-ray and γ-ray detection in 4π geometry to be 0.36 ±0.02%, and 0.32±0.01%, respectively. The weak electron capture decay of70Ga was confirmed and its intensity measured to be 0.41±0.05%. The energy of the γ-rays was remeasured to be 176.17±0.02 keV, and 1039.20±0.08 keV.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01408623
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Evidence of new isotopes:169, 170Ir,166, 167, 168Re (1978)
    Springer
    The European physical journal 288 (1978), S. 189-192 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract At the Darmstadt UNILAC newα-emitting nuclei were produced in the bombardment of89Y and93Nb targets using84Kr ions with energies in the range of 5.1 to 5.5 MeV/u, and 5.8 to 6.4 MeV/u, and using86Kr ions with energies in the range of 5.6 to 6.0 MeV/u. Reaction recoils emitted from the targets were stopped and transported with argon to a collection site. Using three alpha detectors and spectrum multiscaling, energies and half-lives were measured. Ir and Re isotopes were identified by cross bombardments, excitation function data andα-systematics. The decay characteristics of the new species are as follows: Estimates onα-branching ratios have been obtained for169, 170Os and166, 167, 168Re.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01408649
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