Abstract
We determine the quark damping rates in the context of next-to-leading order hard-thermal-loop summed perturbation of high-temperature QCD where weak coupling is assumed. The quarks are ultrasoft. Three types of divergent behavior are encountered: infrared, light-cone and at specific points determined by the gluon energies. The infrared divergence persists and is logarithmic whereas the two others are circumvented.
Original language | English |
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Pages (from-to) | 5317-5331 |
Number of pages | 15 |
Journal | International Journal of Modern Physics A |
Volume | 21 |
Issue number | 26 |
DOIs | |
Publication status | Published - Nov 20 2006 |
Keywords
- Hard thermal loops
- Logarithmic infrared sensitivity
- Ultrasoft quark damping
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Nuclear and High Energy Physics
- Astronomy and Astrophysics