"Fig. 2 (bottom right)" of "Search for an invisible $Z^\prime$ in a final state with two muons and missing energy at Belle II"
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https://www.hepdata.net/record/145901
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资源简介：
Observed 90% CL upper limits on the cross section $\sigma (e^+ e^- \to \mu^+ \mu^- Z', Z' \to $ invisible) as functions of the $Z'$ mass for the cases of negligible $\Gamma_{Z'}$ and for $\Gamma_{Z'} = 0.1 M_{Z'}$. Also shown are previous limits from Belle II.
提供机构：
HEPData
创建时间：
2023-12-13
