Speaker
Mr
Attila Pasztor
(MTA-ELTE Lendulet Lattice gauge theory research group/Eotvos University)
Description
Finite temperature charmonium spectral functions in the pseudoscalar and vector channels are studied in lattice QCD with 2+1 flavours of dynamical Wilson quarks, on fine isotropic lattices (with a lattice spacing of 0.057fm), with a pion mass of 545MeV. The highest temperature studied is approximately 1.4Tc. Up to this temperature no significant variation of the spectral function is seen in the pseudoscalar channel. The vector channel shows some temperature dependence, which seems to be consistent with a temperature dependent low frequency peak related to heavy quark transport, plus a temperature independent term at omega>0. These results are in accord with previous calculations using the quenched approximation.
Primary authors
Prof.
Andreas Schäfer
(University of Regensburg)
Mr
Attila Pasztor
(MTA-ELTE Lendulet Lattice gauge theory research group/Eotvos University)
Dr
Balint Toth
(University of Wuppertal)
Dr
Christian Hoelbling
(University of Wuppertal)
Dr
Daniel Nogradi
(Eotvos University)
Dr
K. Kalman Szabo
(University of Wuppertal/Julich Supercomputing Center)
Mr
Norbert Trombitas
(Eotvos Lorand University)
Prof.
Sandor Katz
(MTA-ELTE Lendulet Lattice Gauge Theory Research Group/Eotvos University)
Mr
Simon Mages
(University of Regensburg)
Dr
Stefan Krieg
(Forschungszentrum Juelich GmbH/Wuppertal University)
Dr
Stephan Dürr
(University of Wuppertal/Julich Supercomputing Center)
Dr
Szabolcs Borsanyi
(Bergische Universität Wuppertal)
Prof.
Zoltan Fodor
(University of Wuppertal/Julich Supercomputing Center/Eotvos University)
