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

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Static potentials from lattice QCD876543210−1−2−3F 1 (r,T)/T c[Kaczmarek et al 04]Rσ 1/2T/T c0.900.940.980 1 2 3 4 5 6 7color-singlet free energy from latticeuse internal energyU 1 (r, T ) = F 1 (r, T ) − T ∂F 1(r, T ),∂TV 1 (r, T ) = U 1 (r, T ) − U 1 (r → ∞, T )Casimir scaling for other color channels [Nakamura et al 05; Döring et al 07]V¯3 = 1 2 V 1, V 6 = − 1 4 V 1, V 8 = − 1 8 V 1Hendrik van Hees (Texas A&M University) Heavy-Quark Diffusion in the QGP February 13, 2008 4 / 11
T-matrixBrueckner many-body approach for elastic Qq, Q¯q scatteringq, ¯qcT= V + VTΣ= Σ glu + Treduction scheme: 4D Bethe-Salpeter → 3D Lipmann-SchwingerS- and P wavessame scheme for light quarks (self consistent!)Relation to invariant matrix elements∑|M(s)| 2 ∝ ∑ (d a |Ta,l=0 (s)| 2 + 3|T a,l=1 (s)| 2 )cos θ cmqHendrik van Hees (Texas A&M University) Heavy-Quark Diffusion in the QGP February 13, 2008 5 / 11
Page 1 and 2: Heavy-Quark Diffusionin the Quark-G
Page 3: Heavy Quarks in Heavy-Ion collision
Page 7 and 8: Elastic pQCD processesLowest-order
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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