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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2016, Volume 103, Issue 10, Pages 697–701
DOI: https://doi.org/10.7868/S0370274X16100015
(Mi jetpl4939)
 

This article is cited in 8 scientific papers (total in 8 papers)

FIELDS, PARTICLES, AND NUCLEI

The decays $\tau \rightarrow (\eta,\eta')K^{-}\nu_{\tau}$ in the extended Nambu–Jona-Lasinio model

M. K. Volkov, A. A. Pivovarov

Bogoliubov Laboratory of Theoretical Physics, JINR, 141980 Dubna, Russia
Full-text PDF (187 kB) Citations (8)
References:
Abstract: The decays $\tau \rightarrow (\eta,\eta')K^{-}\nu_{\tau}$ are described in the framework of the extended Nambu–Jona-Lasinio model. Both full and differential widths of these decays are calculated. The vector and scalar channels are considered. In the vector channel, the subprocesses with the intermediate $K^{*}(892)$ and $K^{*}(1410)$ mesons play the main role. In the scalar channel, the subprocesses with the intermediate $K_{0}^{*}(800)$ and $K_{0}^{*}(1430)$ mesons are taken into account. The scalar channel gives an insignificant contribution to the full width of the decay $\tau \rightarrow \eta K^{-} \nu_{\tau}$. The obtained results are in satisfactory agreement with the experimental data. The prediction for the width of the process $\tau \rightarrow \eta' K^{-} \nu_{\tau}$ is made.
Funding agency Grant number
Russian Foundation for Basic Research 14-01-00647_а
This work is supported by the grant of RFBR # 14-01-00647.
Received: 30.03.2016
English version:
Journal of Experimental and Theoretical Physics Letters, 2016, Volume 103, Issue 10, Pages 613–617
DOI: https://doi.org/10.1134/S0021364016100106
Bibliographic databases:
Document Type: Article
Language: English
Citation: M. K. Volkov, A. A. Pivovarov, “The decays $\tau \rightarrow (\eta,\eta')K^{-}\nu_{\tau}$ in the extended Nambu–Jona-Lasinio model”, Pis'ma v Zh. Èksper. Teoret. Fiz., 103:10 (2016), 697–701; JETP Letters, 103:10 (2016), 613–617
Citation in format AMSBIB
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