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  • 21.10.Pc  (2)
  • PACS:27.60.+j 90 ≤ A ≤ 149 – 21.10.Tg Lifetimes – 23.20.Lv Gamma transitions and level energies  (2)
  • 23.20.En  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Shape coexistence near the double-midshell nucleus 111Rh (1998)
    Springer
    The European physical journal 1 (1998), S. 285-297 
    Details
    ISSN: 1434-601X
    Schlagwort(e): PACS:27.60.+j 90 ≤ A ≤ 149 – 21.10.Tg Lifetimes – 23.20.Lv Gamma transitions and level energies
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: The decay of 111Ru obtained from fast on-line chemical and mass separation has been investigated by β-γ-t and γ-γ coincidence techniques. Earlier spin and parity assignments of 111Rh levels based on extrapolations of level systematics are confirmed. In particular, the K=1/2 intruder band is supported by the hindrance of E2 transitions between deformed and spherical states and enhancement of intraband E2 transitions. The excitation energies of intruder band members in Rh isotopes show a minimum at 109Rh64, with two neutrons less than 111Rh at the N=66 midshell. This trend, which differs from the one in the higher-Z neighbouring elements Ag and Cd with minima at N=66, follows the evolution of deformation observed in the lower-Z elements Ru and Mo.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s100500050063
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  • 2
    Digitale Medien
    Digitale Medien
    Beta Decay of 111Tc to 111Ru (1998)
    Springer
    The European physical journal 2 (1998), S. 17-19 
    Details
    ISSN: 1434-601X
    Schlagwort(e): PACS:27.60.+j 90 ≤ A ≤ 149 – 21.10.Tg Lifetimes – 23.20.Lv Gamma transitions and level energies
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: The β-decay of the very neutron-rich 111Tc nucleus has been observed. A partial decay scheme of 111Ru is presented, complementing the high-spin levels earlier reported in spontaneous fission work.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s100500050085
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  • 3
    Digitale Medien
    Digitale Medien
    Nature of93Rb levels studied in IBFM (1989)
    Springer
    The European physical journal 333 (1989), S. 1-4 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.Pc ; 21.60.Fw ; 27.60.+j
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The structure of the low-lying states with negative parity of 37 93 Rb56 has been studied in the framework of the Interacting Boson-Fermion Model (IBFM) using the even-even neighbour 38 94 Sr56 as a core. A good description of the properties of the levels has been obtained. A sensitive test of the quality of the theoretical studies is the decay pattern of the second excited state at 267 keV with a half-life of 2.0(2) ns. The calculations givet 1/2=2.26 ns and they predict the existence of a 13 keV transition into the first excited state, the existence of which has been confirmed afterwards by experiments.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01290103
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  • 4
    Digitale Medien
    Digitale Medien
    The decay scheme of the 3-s Isomer of100Nb and the properties of levels in100Mo (1987)
    Springer
    The European physical journal 327 (1987), S. 119-126 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 25.85.Ec ; 23.20.En ; 23.20.Gq ; 23.20.Lv ; 27.60.+j
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Theβ − decay of the longer-lived isomer in100Nb has been studied at the fission-product separator JOSEF. Measurements ofγ-ray singles spectra, ofγ-γ coincidences and ofγ-γ angular correlations have been performed. A value oft 1/2=2.99(11)s has been determined for the isomer which probably hasI π=4+ or 5+. A scheme of the levels of100Mo which are populated in the decay of this isomer has been established. Information on the spins of several states of100Mo has been obtained. Thus,I=0 levels have been identified at 1,505, 2,038 and 2,087 keV. The mixing ratios have been determined for the 22 +→21 + and 23 +→21 + transitions. The results provide evidence for a vibrational structure of100Mo with separate bands based on the ground state and on the first excited 0+ level.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01295258
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  • 5
    Digitale Medien
    Digitale Medien
    Structure of the neutron-rich nucleus 37 94 rb57 (1989)
    Springer
    The European physical journal 334 (1989), S. 259-267 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.Pc ; 21.60.Fw ; 27.60.+j
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A level scheme has been established for 37 94 Rb57 based on studies at the fission-product separator JOSEF ofγγ coincidences following theβ- decay of94Kr. For the 190.7 keV level a half-life of 2.5(8) ns has been determined through the centroid-shift method. The majorβ-decay branch of94Kr proceeds with log ft=3.7 into the 988.4 keV state in94Rb. This transition must be of the 0+→1+ GT type involving the transitionνg7/2→πg9/2. IBFFM calculations have been performed for94Rb, starting from the parametrization used in the previous IBM investigations for the isotope93Rb and the isotone96Y. A theoretical interpretation of the low-lying levels including propositions for the spins is given in a comparison to the available data.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01284553
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