Potential NRQCD: an effective theory for heavy quarkonium

Within an effective field theory framework we study heavy-quark--antiquark systems with a typical distance between the heavy quark and the antiquark smaller than $1/\Lambda_{\rm QCD}$. A suitable definition of the potential is given within this framework, while non-potential (retardation) effects ar...

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Detalles Bibliográficos
Autores principales: Brambilla, Nora, Pineda, Antonio, Soto, Joan, Vairo, Antonio
Lenguaje:eng
Publicado: 1999
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1016/S0550-3213(99)00693-8
http://cds.cern.ch/record/392684
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author Brambilla, Nora
Pineda, Antonio
Soto, Joan
Vairo, Antonio
author_facet Brambilla, Nora
Pineda, Antonio
Soto, Joan
Vairo, Antonio
author_sort Brambilla, Nora
collection CERN
description Within an effective field theory framework we study heavy-quark--antiquark systems with a typical distance between the heavy quark and the antiquark smaller than $1/\Lambda_{\rm QCD}$. A suitable definition of the potential is given within this framework, while non-potential (retardation) effects are taken into account in a systematic way. We explore different physical systems. Model-independent results on the short distance behavior of the energies of the gluonic excitations between static quarks are obtained. Finally, we show how infrared renormalons affecting the static potential get cancelled in the effective theory.
id cern-392684
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1999
record_format invenio
spelling cern-3926842023-02-27T03:50:00Zdoi:10.1016/S0550-3213(99)00693-8http://cds.cern.ch/record/392684engBrambilla, NoraPineda, AntonioSoto, JoanVairo, AntonioPotential NRQCD: an effective theory for heavy quarkoniumParticle Physics - PhenomenologyWithin an effective field theory framework we study heavy-quark--antiquark systems with a typical distance between the heavy quark and the antiquark smaller than $1/\Lambda_{\rm QCD}$. A suitable definition of the potential is given within this framework, while non-potential (retardation) effects are taken into account in a systematic way. We explore different physical systems. Model-independent results on the short distance behavior of the energies of the gluonic excitations between static quarks are obtained. Finally, we show how infrared renormalons affecting the static potential get cancelled in the effective theory.Within an effective field theory framework we study heavy-quark--antiquark systems with a typical distance between the heavy quark and the antiquark smaller than $1/\Lambda_{\rm QCD}$. A suitable definition of the potential is given within this framework, while non-potential (retardation) effects are taken into account in a systematic way. We explore different physical systems. Model-independent results on the short distance behavior of the energies of the gluonic excitations between static quarks are obtained. Finally, we show how infrared renormalons affecting the static potential get cancelled in the effective theory.Within an effective field theory framework we study heavy-quark--antiquark systems with a typical distance between the heavy quark and the antiquark smaller than $1/\Lambda_{\rm QCD}$. A suitable definition of the potential is given within this framework, while non-potential (retardation) effects are taken into account in a systematic way. We explore different physical systems. Model-independent results on the short distance behavior of the energies of the gluonic excitations between static quarks are obtained. Finally, we show how infrared renormalons affecting the static potential get cancelled in the effective theory.Within an effective field theory framework we study heavy-quark--antiquark systems with a typical distance between the heavy quark and the antiquark smaller than $1/\Lambda_{\rm QCD}$. A suitable definition of the potential is given within this framework, while non-potential (retardation) effects are taken into account in a systematic way. We explore different physical systems. Model-independent results on the short distance behavior of the energies of the gluonic excitations between static quarks are obtained. Finally, we show how infrared renormalons affecting the static potential get cancelled in the effective theory.Within an effective field theory framework we study heavy-quark–antiquark systems with a typical distance between the heavy quark and the antiquark smaller than 1/ Λ QCD . A suitable definition of the potential is given within this framework, while non-potential (retardation) effects are taken into account in a systematic way. We explore different physical systems. Model-independent results on the short distance behaviour of the energies of the gluonic excitations between static quarks are obtained. Finally, we show how infrared renormalons affecting the static potential get cancelled in the effective theory.hep-ph/9907240CERN-TH-99-199HEPHY-PUB-716-99UB-ECM-PF-99-06UWTHPH-1999-34UB-ECM-PF-99-13CERN-TH-99-199HEPHY-PUB-716UB-ECM-PF-99-06UWTHPH-1999-34oai:cds.cern.ch:3926841999-07-06
spellingShingle Particle Physics - Phenomenology
Brambilla, Nora
Pineda, Antonio
Soto, Joan
Vairo, Antonio
Potential NRQCD: an effective theory for heavy quarkonium
title Potential NRQCD: an effective theory for heavy quarkonium
title_full Potential NRQCD: an effective theory for heavy quarkonium
title_fullStr Potential NRQCD: an effective theory for heavy quarkonium
title_full_unstemmed Potential NRQCD: an effective theory for heavy quarkonium
title_short Potential NRQCD: an effective theory for heavy quarkonium
title_sort potential nrqcd: an effective theory for heavy quarkonium
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.1016/S0550-3213(99)00693-8
http://cds.cern.ch/record/392684
work_keys_str_mv AT brambillanora potentialnrqcdaneffectivetheoryforheavyquarkonium
AT pinedaantonio potentialnrqcdaneffectivetheoryforheavyquarkonium
AT sotojoan potentialnrqcdaneffectivetheoryforheavyquarkonium
AT vairoantonio potentialnrqcdaneffectivetheoryforheavyquarkonium

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