Contribution of Higher Quark Condensates to the Light Quark Vacuum Polarization
Jul, 19857 pages
Published in:
- Phys.Lett.B 166 (1986) 429-435
- Published: 1986
Report number:
- IYF-85-114
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Abstract: (Elsevier)
A method of calculation of higher power corrections to the QCD sum rules for light quark systems, based on the background field formalism, is considered. The contribution of quark operators with dimension d ⩽ 8 to the polarization operator of the vector current of light quarks is found.- QUANTUM CHROMODYNAMICS: SUM RULE
- QUARK: CONDENSATION
- CORRECTION: HIGHER-ORDER
- GAUGE FIELD THEORY: BACKGROUND FIELD
- FIELD THEORY: VACUUM POLARIZATION
- VACUUM POLARIZATION: FIELD THEORY
- FIELD THEORY: OPERATOR PRODUCT EXPANSION
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