The infrared behaviour of the running coupling constant in Yang-Mills theories

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A study has been made of the behaviour of g/sup 2/(q/sup 2/) in the infrared limit of QCD. An outline of the QED case was given, and a similar method was used to obtain the glue propagator in pure Yang- Mills theory. A naive interpretation of the results suggested that the confining effective potent...

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Autor principal: Zachariasen, F
Lenguaje:eng
Publicado: 1980
Materias:
Particle Physics - Theory
Acceso en línea:http://cds.cern.ch/record/879300
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author Zachariasen, F
author_facet Zachariasen, F
author_sort Zachariasen, F
collection CERN
description A study has been made of the behaviour of g/sup 2/(q/sup 2/) in the infrared limit of QCD. An outline of the QED case was given, and a similar method was used to obtain the glue propagator in pure Yang- Mills theory. A naive interpretation of the results suggested that the confining effective potential was proportional to r for large r, and the power obtained was independent of coupling constant and colour gauge group. Results also indicated that the Dyson equation-Ward identity approach is worth pursuing beyond the small momentum expansion. (5 refs).
id cern-879300
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1980
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spelling cern-8793002019-09-30T06:29:59Zhttp://cds.cern.ch/record/879300engZachariasen, FThe infrared behaviour of the running coupling constant in Yang-Mills theoriesParticle Physics - TheoryA study has been made of the behaviour of g/sup 2/(q/sup 2/) in the infrared limit of QCD. An outline of the QED case was given, and a similar method was used to obtain the glue propagator in pure Yang- Mills theory. A naive interpretation of the results suggested that the confining effective potential was proportional to r for large r, and the power obtained was independent of coupling constant and colour gauge group. Results also indicated that the Dyson equation-Ward identity approach is worth pursuing beyond the small momentum expansion. (5 refs).oai:cds.cern.ch:8793001980
spellingShingle Particle Physics - Theory
Zachariasen, F
The infrared behaviour of the running coupling constant in Yang-Mills theories
title The infrared behaviour of the running coupling constant in Yang-Mills theories
title_full The infrared behaviour of the running coupling constant in Yang-Mills theories
title_fullStr The infrared behaviour of the running coupling constant in Yang-Mills theories
title_full_unstemmed The infrared behaviour of the running coupling constant in Yang-Mills theories
title_short The infrared behaviour of the running coupling constant in Yang-Mills theories
title_sort infrared behaviour of the running coupling constant in yang-mills theories
topic Particle Physics - Theory
url http://cds.cern.ch/record/879300
work_keys_str_mv AT zachariasenf theinfraredbehaviouroftherunningcouplingconstantinyangmillstheories
AT zachariasenf infraredbehaviouroftherunningcouplingconstantinyangmillstheories

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