Extended Nambu-Jona-Lasinio Model vs QCD Sum Rules

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dc.creatorYamawaki, Koichi
dc.creatorZakharov, V. I.
dc.date1994-06-23
dc.date.accessioned2026-07-07T03:56:56Z
dc.date.available2026-07-07T03:56:56Z
dc.descriptionWe argue that the extended Nambu-Jona-Lasinio model of hadrons can be be probed and constrained in a nontrivial way via QCD sum rules. While there arise rather restrictive bounds on the strength of the effective four-fermion interaction in the vector channel, introduction of the four-fermion interaction in the pseudoscalar channel could resolve a long standing puzzle of QCD sum rules. We speculate also on possible connection between effective four-quark interactions describing the low-energy phenomenology and ultraviolet renormalons of the fundamental QCD.
dc.descriptionLaTeX, 18 pages, UM-TH-94-19, DPNU-94-19
dc.identifierhttps://arxiv.org/abs/hep-ph/9406373
dc.identifierhttp://arxiv.org/abs/hep-ph/9406373
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/45199
dc.subjectHigh Energy Physics - Phenomenology
dc.titleExtended Nambu-Jona-Lasinio Model vs QCD Sum Rules
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