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Real-time static potential and quarkonium spectral function in hot QCD

Laine, M (Bielefeld)
Wednesday 22 August 2007, 15:30-16:10

Seminar Room 1, Newton Institute


The spectral function of heavy quarkonium is an observable possessing both a theoretically transparent connection to heavy ion phenomenology, and a non-trivial qualitative change as a function of the temperature, making it a conceptually clean probe of deconfined QCD matter. I review some basic facts concerning this observable, and discuss then recent progress on its determination, by approaching the physically relevant temperature range from the high-temperature side, where the spectral function can be computed systematically in (resummed) weak-coupling expansion.


[pdf ]



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