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SUMMARY:Quarkonium properties at T>0 from lattice NRQCD
DTSTART;VALUE=DATE-TIME:20180515T171000Z
DTEND;VALUE=DATE-TIME:20180515T174000Z
DTSTAMP;VALUE=DATE-TIME:20190617T034301Z
UID:indico-contribution-3004163@indico.cern.ch
DESCRIPTION:Speakers: Alexander Rothkopf (Heidelberg University)\nI will p
resent results on the T>0 charmonium and bottomonium\nspectral functions\,
based on high statistics lattice NRQCD calculations\nof the corresponding
correlators performed in 2016-2018 (full\nstatistics for $48^3 \\times 12
$ lattices and new results on $64^3 \\times 16$ lattice). \n\nWe extract t
he quarkonium in-medium spectral functions based on two \ncomplementary st
rategies: 1. A direct Bayesian reconstruction via \na novel variant of the
BR method. This remedies the ringing \nproblem inherent in the previous a
nalysis. 2. Correlator model fits with\nadapted frequency binning\, which
incorporate the combined insight \nfrom potential based computations and t
he T=0 spectral functions. \n\nWe find that the quarkonium masses are shif
ted to smaller values\nwith increasing temperatures and also provide upper
limits\non the thermal width. We compare the temperature\ndependence of t
he correlation functions obtained\nin lattice NRQCD with the potential mod
el.\n\nhttps://indico.cern.ch/event/656452/contributions/3004163/
LOCATION:Palazzo del CasinĂ² First floor and third floor
URL:https://indico.cern.ch/event/656452/contributions/3004163/
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