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  • PACS:12.39.Ki Relativistic quark model – 13.40.Gp Electromagnetic form factors – 14.20.Gk Baryon resonances with S=0  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 2 (1998), S. 403-409 
    ISSN: 1434-601X
    Keywords: PACS:12.39.Ki Relativistic quark model – 13.40.Gp Electromagnetic form factors – 14.20.Gk Baryon resonances with S=0
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstact: We perform a calculation of the relativistic transition form factors for the electromagnetic excitation of the nucleon resonances. We use as input the 3-quark wave functions obtained in a Constituent Quark Model with three-body forces in the hypercentral approach. With respect to the non relativistic calculations a significant contribution is obtained up to Q 2≃ 2 (GeV/c)2. However, the low Q 2-behaviour exhibits a lack of strength, which may be connected with the need of taking into account explicitly further degrees of freedom beyond the three constituent quark ones.
    Type of Medium: Electronic Resource
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