"Figure 18 top left" of "Search for long-lived particles decaying to a pair of muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

The 95% CL upper limits on $\sigma(H \rightarrow Z_DZ_D)B(Z_D \rightarrow \mu \mu)$ as a function of $c\tau(Z_D)$ in the HAHM model, for $m_{Z_D} = 10\ GeV$. The median expected limits obtained from the STA-STA, STA-TMS, and TMS-TMS dimuon categories are shown as dashed green, blue, and red curves, respectively; the combined median expected limits are shown as dashed black curves; the combined observed limits are shown as solid black curves. The green and yellow bands correspond, respectively, to the 68 and 95% quantiles for the combined expected limits. The horizontal lines in gray correspond to the theoretical predictions for values of $B(H \rightarrow Z_DZ_D)$ indicated next to the lines.

在HAHM模型中，当ZD玻色子质量m_{ZD}=10 GeV时，σ(H→ZDZD)B(ZD→μμ)的95%置信水平（Confidence Level，CL）上限随cτ(ZD)的变化关系。STA-STA、STA-TMS和TMS-TMS双μ子分类得到的预期中值上限分别以绿色、蓝色和红色虚线表示；组合预期中值上限以黑色虚线表示；组合观测上限以黑色实线表示。绿色和黄色带分别对应组合预期上限的68%和95%分位数。灰色水平线对应于线旁标注的B(H→ZDZD)值的理论预言。