Strange axial-vector mesons mixing angle

Abstract

The masses of the $K_1{(}^3{P}_1)$ and $K_1{(}^1{P}_1)$ are considered in a nonrelativistic constituent quark model, and the absolute value of the $K_1{(}^3{P}_1)-K_1{(}^1{P}_1)$ mixing angle is determined to be about $59.29^{\circ }$. Comparison of the theoretical predictions on the strong decay widths of the $K_1(1270)$ and $K_1(1400)$ in the ${}^3{P}_0$ decay model as well as the production ratio of these two states in the $\tau$ decay between the available experimental data strongly favors that the $K_1{(}^3{P}_1)-K_1{(}^1{P}_1)$ mixing angle is about $+59.29^{\circ }$.

12 papes, to appear in Eur. Phys. J. A

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Cited by in corpus (10)

• Meson vacuum phenomenology in a three-flavor linear sigma model with (axial-)vector mesons
• Clues for the existence of two $K_1(1270)$ resonances
• Revisiting Axial-Vector Meson Mixing
• A systematic study of mass spectra and strong decay of strange mesons
• On the Radiative Pion Decay
• Nonleptonic two-body B-decays including axial-vector mesons in the final state
• Excited Scalar and Pseudoscalar Mesons in the Extended Linear Sigma Model
• Comprehensive study of light axial vector mesons with the presence of triangle singularity
• Radiative decay into $\gamma P$ of the low lying axial-vector mesons
• Mixing and $m_q$ dependence of axial vector mesons in the Coulomb gauge QCD model