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Scattering of high-energy partons off ultrasoft gluon fluctuations in hot QCD plasma and energy losses

Авторы: Markov Yu.A., Markova M.A.

Журнал: Journal of Physics G: Nuclear and Particle Physics

Том: 31

Номер: 11

Год: 2005

Отчётный год: 2005


Местоположение издательства:


Аннотация: Within the framework of the effective theory for ultrasoft field modes, a problem of an energetic colour particle interacting with ultrasoft fluctuations in hot gluon plasma is considered. The procedure for calculating the effective current generating the process of interaction is proposed, and the problem of its gauge independence is discussed. The application of the theory developed to the problem of energy losses of the energetic colour particle propagating through a hot QCD medium is given. It is shown that the perturbation approach for the calculation of energy losses breaks down at the ultrasoft momentum scale of plasma excitations.

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Индексируется РИНЦ: 1

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