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SUMMARY:Chiral dispersive calculations of pion-pion scattering\nand Regge 
 theory
DTSTART;VALUE=DATE-TIME:20040123T110000Z
DTEND;VALUE=DATE-TIME:20040123T120000Z
DTSTAMP;VALUE=DATE-TIME:20261113T070055Z
UID:indico-event-1344@indico.ific.uv.es
DESCRIPTION:I will introduce Chiral Dispersive calculations and how they h
 ave recently awake great interest because they could ellucidate the chiral
  structure of the QCD vacuum\, and they would represent one of the few ins
 tances where hadronic theories are ahead of the experiments recently carri
 ed out at CERN. Next I will review the set of papers where we have questio
 ned the extremely high precision claimed in chiral dispersive calculations
 \, which fail to satisfy several sum rules. I present a recent Regge descr
 iption of high energy pion-pion data\, not described by these calculations
 \, that supports our critizisms.\nThe talk is based on: J. R. Peláez an
 d F.J. Ynduráin. PRD68:074005\,2003 F.J. Ynduráin. ‘QCD@Work’\
 , hep-ph/0310206 J. R. Peláez and F.J. Ynduráin. hep-ph/0312187\n\nh
 ttps://indico.ific.uv.es/event/1344/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1344/
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