晶格QCD中SU(3)风味点的激发J−−介子共振

Christopher T. Johnson, J. Dudek
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引用次数: 7

摘要

我们首次在晶格QCD内计算了$J^{PC} = 1^{--}$, $2^{--}$和$3^{--}$的激发光介子共振。使用精确的SU(3)味对称,对于伪标量矢量散射的单线态表示,我们发现了两个$1^{--}$共振,一个较轻的宽态和一个较重的窄态,一个在$P$ -和$F$ -波中衰减的宽$2^{--}$共振和一个窄$3^{--}$态。我们提出了与实验$\omega^\star_J, \phi^\star_J$共振衰减到$\pi \rho$、$K\bar{K}^*$、$\eta \omega$和其他最终状态的联系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Excited J−− meson resonances at the SU(3) flavor point from lattice QCD
We present the first calculation within lattice QCD of excited light meson resonances with $J^{PC} = 1^{--}$, $2^{--}$ and $3^{--}$. Working with an exact SU(3) flavor symmetry, for the singlet representation of pseudoscalar-vector scattering, we find two $1^{--}$ resonances, a lighter broad state and a heavier narrow state, a broad $2^{--}$ resonance decaying in both $P$- and $F$-waves, and a narrow $3^{--}$ state. We present connections to experimental $\omega^\star_J, \phi^\star_J$ resonances decaying into $\pi \rho$, $K\bar{K}^*$, $\eta \omega$ and other final states.
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