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SUMMARY:Quenched Chiral Perturbation Theory for Weak Interactions
DTSTART;VALUE=DATE-TIME:19990304T110000Z
DTEND;VALUE=DATE-TIME:19990304T120000Z
DTSTAMP;VALUE=DATE-TIME:20260702T214341Z
UID:indico-event-1114@indico.ific.uv.es
DESCRIPTION:Chiral Perturbation Theory (ChPT) combined with lattice QCD is
  a promising tool for computing hadronic weak matrix elements at long dist
 ances. Here I discuss the derivation of the one loop generating functional
  of ChPT in the presence of weak interactions with $\\vert\\Delta S\\vert 
 =1\,\\\, 2$ and the modifications induced by the {\\em quenched} approxima
 tion adopted on the lattice. As an immediate application\, the full and qu
 enched behaviours of the chiral logarithms which appear in $K\\to\\pi\\pi$
  matrix elements can be studied both for $\\Delta I=1/2$ and $3/2$.\n\nhtt
 ps://indico.ific.uv.es/event/1114/
LOCATION:Dpto. de Fisica Teorica (UVEG) Sala Seminarios
URL:https://indico.ific.uv.es/event/1114/
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