Damping of very soft moving quarks in high-temperature QCD

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

doi:10.1007/s100520100554

Damping of very soft moving quarks in high-temperature QCD

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

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	765-777
Number of pages	13
Journal	European Physical Journal C
Volume	18
Issue number	4
DOIs	https://doi.org/10.1007/s100520100554
Publication status	Published - 2001
Externally published	Yes

ASJC Scopus subject areas

Engineering (miscellaneous)
Physics and Astronomy (miscellaneous)

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10.1007/s100520100554

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AU - Bouakaz, K.

AU - Daira-Aifa, N.

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AB - 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.

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Damping of very soft moving quarks in high-temperature QCD

Abstract

ASJC Scopus subject areas

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