Journal article 904 views
QCD quark condensate from SUSY and the orientifold large-N expansion
G. Veneziano,
M. Shifman,
Adi Armoni 
Physics Letters B, Volume: "B579", Issue: 3-4, Pages: 384 - 390
Swansea University Author:
Adi Armoni
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DOI (Published version): 10.1016/j.physletb.2003.10.094
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...
| Published in: | Physics Letters B |
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| ISSN: | 03702693 |
| Published: |
2003
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| Online Access: |
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| 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 |
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| College: |
Faculty of Science and Engineering |
| Issue: |
3-4 |
| Start Page: |
384 |
| End Page: |
390 |