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

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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
Elastic pQCD processesLowest-order matrix elements [Combridge 79]In-medium Debye-screening mass for t-channel gluon exchange:µ g = gT , α s = 0.4Hendrik van Hees (Texas A&M University) Heavy-Quark Diffusion in the QGP February 13, 2008 7 / 11
Page 1 and 2: Heavy-Quark Diffusionin the Quark-G
Page 3 and 4: Heavy Quarks in Heavy-Ion collision
Page 5: T-matrixBrueckner many-body approac
Page 9 and 10: Transport coefficients0.150.1T-matr
Page 11: Summary and OutlookSummaryHeavy qua

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

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