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Baryons from Quarks in the $1/N$ Expansion

Abstract:

We present a diagrammatic analysis of baryons in the $1/N$ expansion, where $N$ is the number of QCD colors. We use this method to show that there are an infinite number of degenerate baryon states in the large-$N$ limit. We also show that forward matrix elements of quark bilinear operators satisfy the static quark-model relations in this limit, and enumerate the corrections to these relations to all orders in $1/N$. These results hold for any number of light quark flavors, and the methods us...

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Journal:
Nucl.Phys. B
Volume:
426
Issue:
1
Pages:
71-93
Publication date:
1993-10-28
DOI:
ISSN:
0550-3213
URN:
uuid:eeb7fe34-1010-41b6-8941-9764f6860712
Source identifiers:
6043
Local pid:
pubs:6043
Language:
English
Keywords:

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