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most citedDark matter search in missing energy events with NA64

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hep-ex2018★ 128 cited

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN

D. Banerjee, V. E. Burtsev, A. G. Chumakov +45

We report the first results on a direct search for a new 16.7 MeV boson (X) which could explain the anomalous excess of e+e- pairs observed in the excited Be-8 nucleus decays. Due…