The Decays τ → [K-K0π0, K-K+π-, K0((K) over bar)0π-]ντ in the NJL Quark Model

被引:0
|
作者
Volkov, M. K. [1 ]
Pivovarov, A. A. [1 ]
Nurlan, K. [1 ,2 ,3 ]
机构
[1] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Moscow Oblast, Russia
[2] Inst Nucl Phys, Alma Ata 050032, Kazakhstan
[3] LN Gumilyov Eurasian Natl Univ, Astana 010008, Kazakhstan
关键词
JONA-LASINIO MODEL; LAGRANGIANS; MESONS; STATES;
D O I
10.1134/S1547477124700432
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The tau lepton decays tau -> [(K-K0)pi(0), K-K+pi(-), K-0((K) over bar)(0)pi(-)]nu(tau )are described in the U(3) x U(3) NJL quark model. The contact channel and intermediate channels with axial-vector, vector and pseudoscalar mesons are taken into account. It is shown that the strange scalar meson K-0*plays an important role in these processes in addition to the intermediate vector meson K-0*. The obtained results are in satisfactory agreement with the recent experimental data within the experimental and theoretical uncertainties.
引用
收藏
页码:455 / 459
页数:5
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