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Study on the Resonant Parameters of $Y$ (4220) and $Y$ (4390)
/ Zhang, Jielei ; Yuan, Limin ; Wang, Rumin
Many vector charmoniumlike states have been reported recently in the cross sections of ${e}^{+}{e}^{}\to \omega {\chi}_{c\mathrm{0}}$ , ${\pi}^{+}{\pi}^{}{h}_{c}$ , ${\pi}^{+}{\pi}^{}J/\psi $ , ${\pi}^{+}{\pi}^{}\psi (\mathrm{3686})$ , and ${\pi}^{+}{D}^{\mathrm{0}}{D}^{\u204e}+c.c.$ To better understand the nature of these states, a combined fit is performed to these cross sections by using three resonances $Y(\mathrm{4220})$ , $Y(\mathrm{4390})$ , and $Y(\mathrm{4660})$ . [...]
Published in Advances in High Energy Physics 2018 (2018) 5428734
10.1155/2018/5428734
arXiv:1805.03565
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