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QCD quark condensate from SUSY and the orientifold large-N expansion / G. Veneziano; M. Shifman

Physics Letters B, Volume: "B579", Issue: 3-4, Pages: 384 - 390

Swansea University Author: Armoni, Adi

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Abstract

We estimate the quark condensate in one-flavor massless QCD from the known value of the gluino condensate in SUSY Yang-Mills theory using our newly proposed "orientifold" large-N expansion. The numerical result for the quark condensate renormalized at the scale 2 GeV is then given as a fun...

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Published in: Physics Letters B
ISSN: 03702693
Published: 2003
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa28667
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Abstract: We estimate the quark condensate in one-flavor massless QCD from the known value of the gluino condensate in SUSY Yang-Mills theory using our newly proposed "orientifold" large-N expansion. The numerical result for the quark condensate renormalized at the scale 2 GeV is then given as a function of alpha_s(2 GeV) and of possible corrections from sub-leading terms. Our value can be compared with the quark condensate in (quenched) lattice QCD or with the one extracted from the Gell-Mann--Oakes--Renner relation by virtue of non-lattice determinations of the quark masses. In both cases we find quite a remarkable
College: College of Science
Issue: 3-4
Start Page: 384
End Page: 390