Quark damping with ultrasoft momenta in high-temperature QCD

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

doi:10.1142/S0217751X07039213

Quark damping with ultrasoft momenta in high-temperature QCD

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

Department of Physics

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

3 Citations (Scopus)

Abstract

The damping rates of ultrasoft quarks are determined in the context of next-to-leading order hard-thermal-loop summed perturbation of high-temperature QCD. Three types of divergent behavior are encountered: infrared, light-cone and at specific points determined by the gluon energies. Only the infrared divergence persists and is logarithmic.

Original language	English
Pages (from-to)	6033-6042
Number of pages	10
Journal	International Journal of Modern Physics A
Volume	22
Issue number	31
DOIs	https://doi.org/10.1142/S0217751X07039213
Publication status	Published - Dec 20 2007

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

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10.1142/S0217751X07039213

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title = "Quark damping with ultrasoft momenta in high-temperature QCD",

abstract = "The damping rates of ultrasoft quarks are determined in the context of next-to-leading order hard-thermal-loop summed perturbation of high-temperature QCD. Three types of divergent behavior are encountered: infrared, light-cone and at specific points determined by the gluon energies. Only the infrared divergence persists and is logarithmic.",

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author = "A. Abada and N. Daira-Aifa and K. Bouakaz",

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AU - Abada, A.

AU - Daira-Aifa, N.

AU - Bouakaz, K.

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Y1 - 2007/12/20

N2 - The damping rates of ultrasoft quarks are determined in the context of next-to-leading order hard-thermal-loop summed perturbation of high-temperature QCD. Three types of divergent behavior are encountered: infrared, light-cone and at specific points determined by the gluon energies. Only the infrared divergence persists and is logarithmic.

AB - The damping rates of ultrasoft quarks are determined in the context of next-to-leading order hard-thermal-loop summed perturbation of high-temperature QCD. Three types of divergent behavior are encountered: infrared, light-cone and at specific points determined by the gluon energies. Only the infrared divergence persists and is logarithmic.

KW - Hard thermal loops

KW - Logarithmic infrared sensitivity

KW - Ultrasoft quark damping

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Quark damping with ultrasoft momenta in high-temperature QCD

Abstract

Keywords

ASJC Scopus subject areas

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