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SUMMARY:Update on the Search for Chiral Symmetry Restoration in Heavy-Ion 
 Collisions
DTSTART;VALUE=DATE-TIME:20120503T120000Z
DTEND;VALUE=DATE-TIME:20120503T130000Z
DTSTAMP;VALUE=DATE-TIME:20130518T140412Z
UID:indico-event-188252@cern.ch
DESCRIPTION:The spectrum of hadrons is intimately related to the structure
  of the QCD vacuum which is filled with quark and gluon condensates. Thus\
 , upon heating the vacuum\, a melting of the condensates is bound to induc
 e medium modifications of the hadronic spectrum\, ultimately leading to th
 e formation of the quark-gluon plasma (QGP). Dilepton invariant-mass spect
 ra are the only known observable in high-energy heavy-ion collisions which
  enable a direct access to medium modifications of a hadronic spectral fun
 ction (in the vector channel). In particular\, thermal radiation of low-ma
 ss dileptons (M<1.5GeV) has long been regarded as the most promising tool 
 to ``detect" the melting of the chiral quark condensate (or ``chiral symme
 try restoration")\, through the modifications of the light vector mesons (
 rho\, omega\, phi). We discuss recent progress in this endeavor\, includin
 g the use of sum rules to connect order parameters from lattice QCD with e
 ffective hadronic theory\, and the interpretation of recent measurements o
 f a (surprisingly?) large elliptic flow in photon radiation.  \n\nhttp://
 indico.cern.ch/conferenceDisplay.py?confId=188252
LOCATION:CERN 160-1-009
URL:http://indico.cern.ch/conferenceDisplay.py?confId=188252
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