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  • 12.35.Ht  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 330 (1988), S. 111-116 
    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
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 332 (1989), S. 97-102 
    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
    Library Location Call Number Volume/Issue/Year Availability
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