论文标题
搜索在CEPC生产的希格斯玻色子的无形衰变
Search for invisible decay of a Higgs boson produced at the CEPC
论文作者
论文摘要
天体物理学已经建立了暗物质的存在。但是，在看台模型（SM）中没有DM的候选者。在SM中，希格斯玻色子只能通过$ h \ rightarrow zz^\ ast \ AST \rightarrowν\ bar告\barν\barν$或dm衰减，因此，任何不可见的希格斯衰减的证据超过了br（h $ \ rightarlow $），都将立即指向现象模型（超过标准模型（BSM）（BSM）。在本文中，我们报告了三个通道的BR（H $ \ Rightarrow $ Invisible）的上限，包括两个Leptonic通道和一个HADRONIC通道，该渠道是根据SM预测的。随着SM ZH的生产率，BR的上限（H $ \ rightarrow $ Inv。）在95 \％的置信度下可能达到0.24 \％。
The existence of dark matter has been established in astrophysics. However, there is no candidate for DM in the Stand Model (SM). In SM, the Higgs boson can only decay invisibly via $H\rightarrow ZZ^\ast \rightarrow ν\barνν\barν$ or DM, so any evidence of invisible Higgs decay that exceeds BR (H$\rightarrow$inv.) will immediately point to a phenomenon that is beyond the standard model (BSM). In this paper, we report on the upper limit of BR (H$\rightarrow$invisible) estimated for three channels, including two leptonic channels and one hadronic channel, under the assumption predicted by SM. With the SM ZH production rate, the upper limit of BR (H$\rightarrow$inv.) could reach 0.24\% at the 95\% confidence level.
