Heavy-Quark Diffusion in the Quark-Gluon Plasma - ResearchGate

T-matrix-Im T (GeV -2 )12s waveT=1.1 T cs waveT=1.1 T c10T=1.2 Tcolor singletccolor tripletT=1.2 T cT=1.3 T cT=1.3 T c8T=1.4 T c2T=1.4 T cT=1.5 T cT=1.5 T c6T=1.6 T cT=1.6 T cT=1.7 T cT=1.7 T c4T=1.8 T c 1T=1.8 T c2000 1 2 3 4 0 1 2 3 4E cm (GeV)E cm (GeV)resonance formation at lower temperatures T ≃ T cmelting of resonances at higher T ! ⇒ sQGPP wave smallerresonances near T c : natural connection to quark coalescence[Ravagli, Rapp 07]model-independent assessment of elastic Qq, Q¯q scatteringproblems: uncertainties in extracting potential from lQCDin-medium potential V vs. F ?Hendrik van Hees (Texas A&M University) Heavy-Quark Diffusion in the QGP February 13, 2008 6 / 11-Im T (GeV -2 )3