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  • 1
    Electronic Resource
    Electronic Resource
    FastM1 transitions in85Rb (1989)
    Springer
    The European physical journal 334 (1989), S. 415-422 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 23.20.Ck ; 27.50.+ e
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Excited states in85Rb have been studied via the82Se(7Li, 4n) reaction by using in-beamγ-ray spectroscopy. On the basis of new experimental data on coincidence relations, angular distributions and linear polarizations of theγ-rays the yrast sequence has been extended up to a 33/2+ level at 7.1 MeV excitation energy. Using the DSA method mean lifetimes have been determined for 9 levels. Above the 21/2+ yrast state 5 fast M1 transitions withB (M 1) ≧0.3 W.u. have been identified. They are interpreted as transitions between recoupled states of the configuration πg9/2ν(g9/2) 8+ −2 or πg9/2(f 5 2 /−1p 3 2−1 )4+ν(g9/2) 8+ −2 .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294747
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    New isomers in83Br,85Rb,85Kr and86Kr (1989)
    Springer
    The European physical journal 332 (1989), S. 33-43 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 23.20.Ck ; 27.50.+ e
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using methods of in-beam spectroscopy in connection with 35 MeV7Li bombardment of82Se targets four new isomers have been identified. They are observed in83Br at 3070 keV (T1/2=0.6±0.2 μs), in85Rb at 2826 keV (T1/2=12.5±0.6 ns), in85Kr at 1991 keV (T1/2=1.2+ 0.4 1.0 μs) and in86Kr at 2250 keV (T1/2=3.1±0.6 ns). Spin and parity 19/2− have been assigned to the new isomer in85Rb that is interpreted as the coupling of a p3/2 proton to the g 9 2/−2 two-neutron excitation of the N=48 neutron system. Using the TDPAD method an upper limit for the g-factor of ¦g¦≦0.17 has been estimated for this isomer. The same two-neutron excitation is also believed to be responsible for the new isomer in83Br. The new isomers in85Kr and86Kr are interpreted as configurations containing the two-proton excitation (f 5 2/−1 , p 3 2/−1 ) where in the isomeric 17/2+ level of85Kr an additional g9/2 neutron hole is involved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292578
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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