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arXiv 2301.04337hep-phhep-ex
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在STCF下$J/ψ\to Λ\barΛ$中PDMATHAAB衰减的$CP$违背的灵敏度

Sensitivity of $CP$ Violation of $Λ$ decay in $J/ψ\to Λ\barΛ$ at STCF

Yue Xu, Xiaorong Zhou, Xiaodong Shi, Yongxin Guo, Kuiyong Liu, Li Gong, Xiaoshen Kang

摘要:

利用$\sqrt{s}$ =3.097 GeV的$1.0\times10^{12}$ $J/ψ$ Monte Carlo(MC)事例,在未来的超级Tau Charm装置(STCF)上用快速模拟软件研究了$J/ψ\to Λ\barΛ$过程.通过测量$Λ$衰变的非对称参数,确定$CP$破坏的统计灵敏度为$\mathcal{O} (10^{-4})$的数量级。此外,$J/ψ\to Λ\barΛ$的衰减还用作基准过程,以使用由快速模拟软件提供的接口来优化检测器响应。

英文摘要:

The process of $J/ψ\to Λ\barΛ$ is studied using $1.0\times10^{12}$ $J/ψ$ Monte Carlo (MC) events at $\sqrt{s}$=3.097 GeV with a fast simulation software at future Super Tau Charm Facility (STCF). The statistical sensitivity for $CP$ violation is determined to be the order of $\mathcal{O} (10^{-4})$ by measuring the asymmetric parameters of the $Λ$ decay. Furthermore, the decay of $J/ψ\to Λ\barΛ$ also serves as a benchmark process to optimize the detector responses using the interface provided by the fast simulation software.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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