"mx_300_limits" of "Search for dark matter particles in W$^+$W$^-$ events with transverse momentum imbalance in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

The $\sigma / \sigma_{theory}$ 95% CL upper limit values for the dark Higgs model in the ($m_{s}$, $m_{Z'}$) plane for $m_{\chi} = 300 GeV$.

当$m_chi = 300 mathrm{GeV}$时，暗希格斯模型在$(m_s, m_{Z'})$参数平面内的$sigma/sigma_{ ext{theory}}$ 95%置信度上限值。