Geodesic
Vector and axial-vector dominance of the weak interactions
Teoretičeskaâ i matematičeskaâ fizika, Tome 87 (1991) no. 1, pp. 57-61 
M. K. Volkov; A. A. Osipov. Vector and axial-vector dominance of the weak interactions. Teoretičeskaâ i matematičeskaâ fizika, Tome 87 (1991) no. 1, pp. 57-61. http://geodesic.mathdoc.fr/item/TMF_1991_87_1_a5/
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     author = {M. K. Volkov and A. A. Osipov},
     title = {Vector and axial-vector dominance of the weak interactions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {57--61},
     year = {1991},
     volume = {87},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1991_87_1_a5/}
}
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The problem of vector and axial-vector dominance in weak interactions of mesons in a quark model of superconducting type is discussed. Formulas are obtained that take into account the breaking of $\rho-a_1$ universality, which is restored in the limit of exact fulfillment of the model mass formulas. The results are illustrated by concrete calculations of the $\tau\to\nu_\tau\rho$ and $\tau\to\nu_\tau a_1$ decay widths.