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Please use this identifier to cite or link to this item: https://elib.bsu.by/handle/123456789/162884
Title: On Resummation of Threshold Singularities in the Relativistic Quasipotential Approach
Authors: Chernichenko, Yu. D.
Issue Date: 2015
Publisher: Minsk : Education and Upbringing
Citation: Nonlinear Phenomena in Complex Systems. - 2015. - Vol. 18, N 2. - P. 191-197
Abstract: The new relativistic Coulomb-like threshold resummation S- and L-factors in quantum chromodynamics (QCD) are received. Consideration is conducted within the framework of quasipotential approach in quantum field theory formulated in the relativistic configurational representation in the case of two particles of unequal masses. We also suggest a new model expression for the principal contribution to the Drell ratio R(s) for the vector current with S-factor in which threshold singularities are summarized into a main potential contribution.
URI: http://elib.bsu.by/handle/123456789/162884
ISSN: 1561 - 4085
Appears in Collections:2015. Volume 18. Number 2

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