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

Maarten Golterman | Zendy; Santiago Peris | Zendy; Boris Phily | Zendy; Eduardo de Rafael | Zendy

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

Author(s) -

Maarten Golterman,

Santiago Peris,

Boris Phily,

Eduardo de Rafael

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/01/024

Subject(s) - duality (order theory) , quantum chromodynamics , hadron , simple (philosophy) , physics , spectrum (functional analysis) , set (abstract data type) , particle physics , zero (linguistics) , theoretical physics , mathematics , pure mathematics , computer science , quantum mechanics , philosophy , epistemology , programming language , linguistics

We consider a simple model of large-Nc QCD defined by a spectrum consistingof an infinite set of equally spaced zero-width vector resonances. This modelis an excellent theoretical laboratory for investigating certain approximationschemes which have been used recently in calculations of hadronic parameters,such as the Minimal Hadronic Approximation. We also comment on some of thequestions concerning issues of local duality versus global duality andfinite-energy sum rules.Comment: LateX file; 16 pages, 7 figure

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