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SUMMARY:Quark-diquark description for mesons and baryons
DTSTART;VALUE=DATE-TIME:20030307T110000Z
DTEND;VALUE=DATE-TIME:20030307T120000Z
DTSTAMP;VALUE=DATE-TIME:20261111T232752Z
UID:indico-event-1303@indico.ific.uv.es
DESCRIPTION:Nucleon structure and the origin and nature of the nuclear for
 ce are investigated in the context of a QCD-based effective field theory a
 nd the path-integral method of hadronization. We start from a microscopic 
 model of quarks and diquarks where the gluons have been integrated out. In
  particular\, we use the chiral Nambu-Jona-Lasinio model to describe quark
  dynamics and assume that the nucleon can be conceived as a quark-diquark 
 relativistic bound state. The hadronization method is then used to rewrite
  the problem in terms of the physical meson and nucleon degrees of freedom
 . Next\, by employing a loop and derivative expansion of the resulting qua
 rk/diquark determinants\, we arrive at an effective chiral meson-nucleon L
 agrangian. Nucleon properties such as mass\, coupling constants\, electrom
 agnetic radii\, anomalous magnetic moments\, and form factors are derived 
 using a theory of at most two free parameters.\n\nhttps://indico.ific.uv.e
 s/event/1303/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1303/
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