Damping of very soft moving quarks in high-temperature QCD

A. Abada, K. Bouakaz, N. Daira-Aifa

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


We determine the analytic expression of the damping rates for very soft moving quarks in an expansion to second order in powers of their momentum in the context of QCD at high temperature. The calculation is performed using the hard-thermal-loop-summed perturbation scheme. We describe the range of validity of the expansion and make a comparison with other calculations, particularly those using a magnetic mass as a shield from infrared sensitivity. We discuss the possible occurrence of infrared divergences in our results and argue that they are due to magnetic sensitivity.

Original languageEnglish
Pages (from-to)765-777
Number of pages13
JournalEuropean Physical Journal C
Issue number4
Publication statusPublished - 2001
Externally publishedYes

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)


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