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Investigation of Ωc0 states decaying to Ξc+K− in pp collisions at s=7, 13 TeV
Physical Review C ( IF 3.2 ) Pub Date : 2020-11-13 , DOI: 10.1103/physrevc.102.054319
Hong-ge Xu , Gang Chen , Yu-Liang Yan , Dai-Mei Zhou , Liang Zheng , Yi-Long Xie , Zhi-Lei She , Ben-Hao Sa

The production of strange particles $\Xi_{c}^{+}, K^{-}$ is simulated in mid-rapidity $pp$ collisions at $\sqrt{s}=7$ TeV with $0.2 \leq pt \leq 6$~GeV/c using the {\footnotesize PACIAE} model. The results are consistent with LHCb experimental data on $\Xi_{c}^{+}$ and $K^{-}$ yield. Then, a dynamically constrained phase-space coalescence ({\footnotesize DCPC}) model plus {\footnotesize PACIAE} model was used to produce the $\Xi_{c}^{+}K^{-}$ bound states and study the narrow excited $\Omega_{c}^{0}$ states through $\Omega_{c}^{0} \to \Xi_{c}^{+}K^{-}$ in $pp$ collisions at $\sqrt{s}=7$ and 13 TeV. The yield, transverse momentum distribution, and rapidity distribution of the five new excited $\Omega_{c}^{0}$ states of $\Omega_{c}(3000)^{0}$, $\Omega_{c}(3050)^{0}$, $\Omega_{c}(3066)^{0}$,$\Omega_{c}(3090)^{0}$and $\Omega_{c}(3119)^{0}$ were predicted.

中文翻译:

在 s=7, 13 TeV 的 pp 碰撞中,Ωc0 状态衰减到 Ξc+K− 的研究

奇怪粒子 $\Xi_{c}^{+}, K^{-}$ 的产生在 $\sqrt{s}=7$ TeV 与 $0.2 \leq pt \leq 的中等速度 $pp$ 碰撞中模拟6$~GeV/c 使用 {\footnotesize PACIAE} 模型。结果与 $\Xi_{c}^{+}$ 和 $K^{-}$ 产率的 LHCb 实验数据一致。然后,使用动态约束相空间合并({\footnotesize DCPC})模型加上 {\footnotesize PACIAE} 模型来产生 $\Xi_{c}^{+}K^{-}$ 绑定状态并研究狭窄的兴奋 $\Omega_{c}^{0}$ 状态通过 $\Omega_{c}^{0} \to \Xi_{c}^{+}K^{-}$ 在 $pp$ 碰撞中 $\ sqrt{s}=7$ 和 13 TeV。$\Omega_{c}(3000)^{0}$, $\Omega_{c}( 3050)^{0}$, $\Omega_{c}(3066)^{0}$,
更新日期:2020-11-13
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