Induced Light-Quark Yukawa Couplings as a Probe of Low-Energy Dynamics in QCD | Zendy

Mohammad Ahmady | Zendy; V. Elias | Zendy; Amir H. Fariborz | Zendy; R. R. Mendel | Zendy

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Induced Light-Quark Yukawa Couplings as a Probe of Low-Energy Dynamics in QCD

Author(s) -

Mohammad Ahmady,

V. Elias,

Amir H. Fariborz,

R. R. Mendel

Publication year - 1996

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.96.781

Subject(s) - physics , yukawa potential , particle physics , quark , quantum chromodynamics , higgs boson , quantum electrodynamics , qcd vacuum , top quark condensate , bottom quark , top quark , lattice qcd

We examine the heavy-quark-induced Yukawa interaction between light quarksand a light Higgs field, which is facilitated in the chiral limit by thedynamical mass of light quarks anticipated from the chiral-noninvariance of theQCD vacuum. A low-energy estimate of the strong coupling near unity can beobtained from a comparison of the explicit perturbative calculation of theinduced Yukawa interaction at zero momentum to a Higgs-low-energy theoremprediction for the same interaction.Comment: 12 pages, Latex, 2 figures (not included, available upon request

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