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We present lattice non-relativistic QCD calculations of bottomoniumcorrelation functions at temperatures $T \simeq 150-350$ MeV. The correlationfunctions were computed using extended bottomonium operators, and on backgroundgauge-field configurations for 2+1-flavor QCD having physical kaon andnearly-physical pion masses. We analyzed these correlation functions based onsimple theoretically-motivated parameterizations of the corresponding spectralfunctions. The results of our analyses are compatible with significantin-medium thermal broadening of the ground state S- and P-wave bottomonia.

Thermal Broadening of Bottomonia: Lattice Non-Relativistic QCD with Extended Operators