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Probing the explanation of the muon (g-2) anomaly and thermal light dark matter with the semi-visible dark photon channel
We report the results of a search for a new vector boson ($\gp$) decaying into two dark matter particles $\chi_1 \chi_2$ of different mass. The heavier $\chi_2$ particle subsequently decays to $\chi_1$ and $\gp \to \pair$. For a sufficiently large mass splitting, this model can explain in terms of n...
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