Decays of tau -> rho(770)(rho '(1450))nu(tau) and tau -> K*(892)(K*'(1410))nu(tau) in the extended Nambu-Jona-Lasinio model

摘要

In the extended Nambu-Jona-Lasinio model the decay widths tau -> rho(770)(rho'(1450)) nu(tau) and tau -> K*(892)(K*'(1410))nu(tau) are studied in the quark one-loop approximation. Our estimations of the decay widths tau -> K*(892)(K*'(1410))nu(tau) are in satisfactory agreement with experimental data. In the paper, the decay widths tau -> rho(770)(rho'(1450))nu(tau) are also calculated.