Fully quantum treatment of the Landau-Pomeranchik-Migdal effect in QED and QCD

1996/06/01 by B. G. Zakharov, Б. Г. Захаров · 731 citations
Physics and Astronomy · #Dipole #Gluon #High-Energy Particle Collisions Research #Particle physics #Particle physics theoretical and experimental studies #Photon #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quantum mechanics #Quark #Scattering #hep-ph

paper · pdf · doi:10.1134/1.567126

published in Journal of Experimental and Theoretical Physics Letters 63(12), 952-957 (Pleiades Publishing) · E-mail: [email protected], [email protected]

openalex publication_date 1996/06/01 · arxiv created 1996/07/26 · arxiv updated 2011/05/05 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

A rigorous quantum treatment of the Landau-Pomeranchuk-Migdal effect in QED and QCD is given for the first time. The rate of photon (gluon) radiation by an electron (quark) in a medium is expressed in terms of the Green’s function of a two-dimensional Schrödinger equation with an imaginary potential. In QED this potential is proportional to the dipole cross section for scattering of an e + e − pair off an atom, while in QCD it is proportional to the cross section of interaction of the color singlet quark-antiquark-gluon system with a color center.

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