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A light Z’ as a solution of the 17 MeV anomaly
Luigi Delle Rose (FI)
Motivated by an anomaly observed in the decay of an excited state of Beryllium by the Atomki collaboration, we study an extension for the Standard Model with a gauged U(1)' symmetry. We show that this scenario complies with a variety of experimental results and is able to explain the potential presence of a resonant spin-1 …
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