The 7/11 rule: an estimate of m_rho/f_pi

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dc.creatorGolterman, M.
dc.creatorPeris, S.
dc.date1999-08-04
dc.date1999-09-21
dc.date.accessioned2026-07-07T11:35:43Z
dc.date.available2026-07-07T11:35:43Z
dc.descriptionWe derive an estimate for the ratio of the rho mass and the pion decay constant from an analysis of vector and axial-vector two-point functions using large-Nc, lowest-meson dominance and the operator product expansion, in the chiral limit. We discuss the extension of this analysis to the scalar and pseudoscalar sector. Furthermore, this leads to a successful parameter-free determination of the L_i couplings of the chiral Lagrangian if an improved Nambu-Jona-Lasinio ansatz for Green functions is assumed at low energies.
dc.description7 pages, 1 figure. Numerical error in scalar sector corrected; main results unchanged
dc.identifierhttps://arxiv.org/abs/hep-ph/9908252
dc.identifierhttp://arxiv.org/abs/hep-ph/9908252
dc.identifierPhys.Rev.D61:034018,2000
dc.identifierdoi:10.1103/PhysRevD.61.034018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198688
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleThe 7/11 rule: an estimate of m_rho/f_pi
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