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Relativistic meson spectra; Fermi-Breit approximation; decay widths

The meson masses are considered to retain total relativistic effects for spinors instead of Fermi-Breit approximation. This necessitates a diagonalization approach instead of solutions of differential equations. Correction over Fermi-Breit form appears to be significant. For heavy quark systems agreement with experiment is found. The method will be quite useful if the quark-antiquark dynamics becomes sufficiently known.

S P Misra¹ S Naik¹ A R Panda^{1 2}

1. Institute of Physics, Bhubaneswar - 751005, India
2. Physics Department, Kendrapara College, Kendrapara - 754211, India

Published

February 1987

Manuscript received

23 July 1986

Manuscript revised

29 October 1986