解释 $J/\psi$ 与 $\psi(2S)$ 衰变到 $\Lambda\overline{\Lambda}$ 和 $\Sigma^0\overline{\Sigma}^0$ 角分布的模型
高能物理 - 唯象学
2019-03-27 v3
摘要
BESIII数据显示 与 介子衰变到超子 和 具有特殊的角分布。更具体地，衰变 的角分布相对于其他三个道：、 和 呈现相反趋势。我们定义一个模型来解释该现象的起源。
引用
@article{arxiv.1809.04273,
title = {A model to explain angular distributions of $J/\psi$ and $\psi(2S)$ decays into $\Lambda\overline{\Lambda}$ and $\Sigma^0\overline{\Sigma}^0$},
author = {M. Alekseev and A. Amoroso and R. Baldini Ferroli and I. Balossino and M. Bertani and D. Bettoni and F. Bianchi and J. Chai and G. Cibinetto and F. Cossio and F. De Mori and M. Destefanis and R. Farinelli and L. Fava and G. Felici and I. Garzia and M. Greco and L. Lavezzi and C. Leng and M. Maggiora and A. Mangoni and S. Marcello and G. Mezzadri and S. Pacetti and P. Patteri and A. Rivetti and M. Da Rocha Rolo and M. Savrìe and S. Sosio and S. Spataro and L. Yan},
journal= {arXiv preprint arXiv:1809.04273},
year = {2019}
}
备注
6 pages, 7 figures, to be published in Chinese Physics C