Published 1988
| Version v1
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THe low-energy limit of a bilocal meson Lagrangian from QCD
- 1. Gomel'skij Politekhnicheskij Inst., Gomel (Byelorussian SSR)
- 2. Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Theoretical Physics
Description
The low-energy limit of the Bethe-Salpeter equation with a relativistic kernel for quark-antiquark bound states is considered. It is shown that this limlt as equivalent to a localization of the potential which becomes a special 4-quark Nambu-Jona-Lasinio one. The mass spectrum of the low-lying mesons is calculated without expanding in energy. Thereby the S-V, P-A and V-T mixings are taken into account exactly. Furthermore the pion decay constant is determined. We received good agreement with the experimental data
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Additional details
Publishing Information
- Imprint Pagination
- 14 p.
- Report number
- JINR-E--2-88-487
INIS
- Country of Publication
- USSR
- Country of Input or Organization
- USSR
- INIS RN
- 20062714
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ANTIPARTICLES; A1-1270 MESONS; BETHE-SALPETER EQUATION; BOUND STATE; CONFIGURATION MIXING; KERNELS; LAGRANGIAN FUNCTION; LIMITING VALUES; MASS; MASS SPECTRA; MESONS; PARTICLE DECAY; PIONS; QUARK MODEL; QUARKS; RELATIVISTIC RANGE; RHO-770 MESONS; WAVE FUNCTIONS
- Descriptors DEC
- ANTIMATTER; AXIAL VECTOR MESONS; BOSONS; COMPOSITE MODELS; DECAY; ELEMENTARY PARTICLES; ENERGY RANGE; EQUATIONS; FERMIONS; FUNCTIONS; HADRONS; INTERACTIONS; MATHEMATICAL MODELS; MATTER; PARTICLE MODELS; POSTULATED PARTICLES; PSEUDOSCALAR MESONS; SPECTRA; VECTOR MESONS
Optional Information
- Notes
- 11 refs.; 1 fig.; 3 tabs.; submitted to Z. Phys., C.