# Semileptonic decays of $\\rho$, $\\omega$, $\\phi$, $\\eta$ and $\\eta'$ mesons in ground and first radially excited states in the $U(3)\\times U(3)$ NJL model

Source: [Semileptonic decays of $\\rho$, $\\omega$, $\\phi$, $\\eta$ and $\\eta'$ mesons in ground and first radially excited states in the $U(3)\\times U(3)$ NJL model](<https://www.sota2.com/research/paper/68fa431e1e209131ce9076b7>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-25T04:08:08.558Z

Authors: M.K. Volkov, K. Nurlan

Published: 2022-03-21T19:59:35.000Z

## Abstract

In the extended $U(3)\\times U(3)$ NJL model, semileptonic decays of $\\rho$, $\\omega$, $\\phi$, $\\eta$ and $\\eta'$ mesons in both the ground and first radially excited states are described. Quark loops of the anomalous type are considered, which are based on the vertex $\\eta \\to VV$. The obtained results are in satisfactory agreement with the existing experimental data. In addition, a number of predictions for experimentally unmeasured decays of radially excited mesons are presented.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/2203.11311>)

[PDF](<https://arxiv.org/pdf/2203.11311.pdf>)