Testing an approximation to large-Nc QCD with a toy model

Maarten Golterman; Santiago Peris; Boris Phily; Eduardo De Rafael

Testing an approximation to large-Nc QCD with a toy model

Maarten Golterman, Santiago Peris, Boris Phily, Eduardo De Rafael

Departament de Física

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Resum

We consider a simple model of large-Nc QCD defined by a spectrum consisting of an infinite set of equally spaced zero-width vector resonances. This model is an excellent theoretical laboratory for investigating certain approximation schemes which have been used recently in calculations of hadronic parameters, such as the Minimal Hadronic Approximation. We also comment on some of the questions concerning issues of local duality versus global duality and finite-energy sum rules. © SISSA/ISAS 2002.

Idioma original	Anglès
Pàgines (de-a)	505-523
Revista	Journal of High Energy Physics
Volum	6
Número	1
Estat de la publicació	Publicada - 1 de gen. 2002

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title = "Testing an approximation to large-Nc QCD with a toy model",

abstract = "We consider a simple model of large-Nc QCD defined by a spectrum consisting of an infinite set of equally spaced zero-width vector resonances. This model is an excellent theoretical laboratory for investigating certain approximation schemes which have been used recently in calculations of hadronic parameters, such as the Minimal Hadronic Approximation. We also comment on some of the questions concerning issues of local duality versus global duality and finite-energy sum rules. {\textcopyright} SISSA/ISAS 2002.",

keywords = "1/N Expansion, Phenomenological Models, QCD, Sum Rules",

author = "Maarten Golterman and Santiago Peris and Boris Phily and {De Rafael}, Eduardo",

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T1 - Testing an approximation to large-Nc QCD with a toy model

AU - Golterman, Maarten

AU - Peris, Santiago

AU - Phily, Boris

AU - De Rafael, Eduardo

PY - 2002/1/1

Y1 - 2002/1/1

N2 - We consider a simple model of large-Nc QCD defined by a spectrum consisting of an infinite set of equally spaced zero-width vector resonances. This model is an excellent theoretical laboratory for investigating certain approximation schemes which have been used recently in calculations of hadronic parameters, such as the Minimal Hadronic Approximation. We also comment on some of the questions concerning issues of local duality versus global duality and finite-energy sum rules. © SISSA/ISAS 2002.

AB - We consider a simple model of large-Nc QCD defined by a spectrum consisting of an infinite set of equally spaced zero-width vector resonances. This model is an excellent theoretical laboratory for investigating certain approximation schemes which have been used recently in calculations of hadronic parameters, such as the Minimal Hadronic Approximation. We also comment on some of the questions concerning issues of local duality versus global duality and finite-energy sum rules. © SISSA/ISAS 2002.

KW - 1/N Expansion

KW - Phenomenological Models

KW - QCD

KW - Sum Rules

M3 - Article

SN - 1029-8479

VL - 6

SP - 505

EP - 523

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 1

ER -

Testing an approximation to large-Nc QCD with a toy model

Resum

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