The polarization effects of the process $\tau \to K^{-}{\pi }^0{\nu }_{\tau }$ in the Nambu--Jona-Lasinio model

Abstract

The polarization effects of the processes $\tau \to K^{-}{\pi }^0{\nu }_{\tau }$ are described in the framework of the Nambu--Jona-Lasinio model. The intermediate vector meson $K^{\ast }(892)$ is taken into account. The contribution of these effects to the differential decay width is obtained.

arXiv comment6 pages, 3 figures

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• Big-Bang Nucleosynthesis
• B_l4 decays and the extraction of |V_ub|
• A chiral Lagrangian for excited pions
• Spectral distribution for the decay tau -> nu_tau K pi
• Theory of tau mesonic decays
• Combined analysis of the decays ${\tau }^{-}\to K_S{\pi }^{-}{\nu }_{\tau }$ and ${\tau }^{-}\to K^{-}\eta {\nu }_{\tau }$
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• The decay $\tau \to K^0{K}^{-}{\nu }_{\tau }$ in the extended Nambu-Jona-Lasinio model
• The decay $\tau \to K^{-}{\pi }^0{\nu }_{\tau }$ in the Nambu-Jona-Lasinio model
• Azimuthal distributions in radiative decay of polarized $\tau$ lepton

Cited by in corpus (1)

• ${\tau }^{-}\to {\nu }_{\tau }{M}_1{M}_2$, with $M_1,M_2$ pseudoscalar or vector mesons