Analyzing leptonic decays of heavy quarkonia in the covariant confined quark model
Dubnička S. Dubničková A.Z. Ivanov M.A. Liptaj A. Tyulemissova A. Tyulemissov Z.
1 September 2024American Physical Society
Physical Review D
2024#110Issue 5
The leptonic decay widths of heavy quarkonia are complementary observables to the semileptonic decays of heavy mesons and provide additional insight into the possible lepton flavor universality breaking. We analyze the former in the framework of the covariant confined quark model, introducing a novel approach for the description of the radially excited quarkonia states, which is based on constituent quark mass running and the orthogonality of the states. We are able to describe the experimental observations by our approach within the Standard Model, which does not support new physics explanations.
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Institute of Physics, Slovak Academy of Sciences, Bratislava, Slovakia
Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava, Slovakia
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russian Federation
Institute of Nuclear Physics, Ministry of Energy of the Republic of Kazakhstan, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
Institute of Physics
Faculty of Mathematics
Bogoliubov Laboratory of Theoretical Physics
Institute of Nuclear Physics
Al-Farabi Kazakh National University
10 лет помогаем публиковать статьи Международный издатель
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