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  • 1990-1994  (1)
  • 1985-1989  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Pion fluctuation around the hedgehog solution in the chiral bag plus skyrmion hybrid model (1988)
    Springer
    The European physical journal 330 (1988), S. 111-116 
    Details
    ISSN: 1434-601X
    Keywords: 12.35.Ht ; 14.20.Gk
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Roper excitation is studied in the chiral bag plus skyrmion hybrid model. The lagrangian is expanded around the classical solution in the hedgehog vibrational mode. In the adiabatic approximation we find a self consistent solution for the fluctuating system of quarks and pions up to the first order of the fluctuations. Only half of the excitation energy was found in the phase shift analysis. It is also discussed that the system is stable for all bag radii against the hedgehog vibration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287272
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Origin of quenching of Gamow-Teller strength in54Fe (1989)
    Springer
    The European physical journal 334 (1989), S. 523-524 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The recent charge exchange (n,p) and (p,n) reaction data on54Fe is used to determine the importance of Δ-isobar excitations and RPA-type correlations in the quenching of GT strength.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294764
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Skyrme solitons with vector mesons (1989)
    Springer
    The European physical journal 332 (1989), S. 97-102 
    Details
    ISSN: 1434-601X
    Keywords: 12.35.Ht
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We investigate the Skyrme type soliton with vector mesons (ρ, A1 and ω), first in the massive Yang-Mills approach and then using the hidden local symmetry Lagrangian. It is demonstrated that the two schemes give identical results for the soliton properties. A comparison is made with alternative approaches in which the A1 degrees of freedom is eliminated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292585
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Nuclear properties far from the stability line in the relativistic mean field theory (1992)
    Springer
    Hyperfine interactions 74 (1992), S. 113-116 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study the nuclear properties far from the stability line in the relativistic mean field theory. We find that the parameter set NL 1 provides very good results on binding energies of unstable nuclei, while NL2 results are not good, although both parameter sets give equally good results on nuclear properties for stable nuclei. We discuss the neutron number dependence of the proton and the neutron root mean square radii of proton magic nuclei.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02398621
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    Paper (German National Licenses)
    Fulltext
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