Heavy-Quark Diffusion in the Quark-Gluon Plasma - ResearchGate
Heavy-Quark Diffusion in the Quark-Gluon Plasma - ResearchGate
Heavy-Quark Diffusion in the Quark-Gluon Plasma - ResearchGate
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Non-photonic electrons at RHICR AAv 2 (%)same model for bottomquark coalescence+fragmentation → D/B → e + X1.61.41.210.80.60.40.20105T-matrixpQCD, α s =0.4Au-Au √s=200 GeV (central)0 1 2 3 4 5p T (GeV)15T-matrixpQCD, α s =0.4Au-Au √s=200 GeVb=7 fmR AAv 21.81.61.41.210.80.60.40.20.150.10.05(a)Au+Au √s=200 AGeV(b)0-10% centralm<strong>in</strong>imum bias<strong>the</strong>oryPHENIXSTARfrag. onlyPHENIXPHENIX QM0800 1 2 3 4 5p T (GeV)00 1 2 3 4 5p T[GeV]coalescence crucial for explanation of data<strong>in</strong>creases both, R AA and v 2 ⇔ “momentum kick” from light quarks!“resonance formation” towards T c ⇒ coalescence natural [Ravagli, Rapp 07]Hendrik van Hees (Texas A&M University) <strong>Heavy</strong>-<strong>Quark</strong> <strong>Diffusion</strong> <strong>in</strong> <strong>the</strong> QGP February 13, 2008 10 / 11
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