14–19 Jun 2010
Villasimius, Sardinia
Europe/Rome timezone

Charmonium spectral functions in quark-gluon plasma from lattice QCD with large spatial volume

15 Jun 2010, 08:30
20m
Room2 (Villasimius, Sardinia)

Room2

Villasimius, Sardinia

Tanka Village
Nonzero temperature and density Parallel 15: Nonzero temperature and density

Speaker

Chiho Nonaka (Nagoya University)

Description

From phenomenological considerations, J/psi suppression was proposed as a signature of QGP production in relativistic heavy ion collisions, and has been considered as one of the most promising ones. On the other hand, previous studies from lattice QCD and effective theories show possibility of existence of q-\bar{q} correlations even above the critical temperature. We study the charmonium spectral functions in quark-gluon plasma on 64^3 X Nt quenched anisotropic lattices, analyzing correlation functions of charmonium by the maximum entropy method (MEM). In particular, we focus on finite momentum effects on the charmonium spectral functions in order to understand J/Psi suppression mechanism in relativistic heavy ion collisions from the first principles of QCD.
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Author

Chiho Nonaka (Nagoya University)

Co-authors

Prof. Masakiyo Kitazawa (Osaka University) Prof. Masayuki Asakawa (Osaka University) Mr Takeyuki Hoshino (Nagoya University) Mr Yasuhiro Kohno (Osaka University)

Presentation materials