Certain anomalies observed in the angular correlation spectra of electron/positron pairs produced in nuclear transitions of 8Be, 4He and 12C can be interpreted as the emission of a bosonic particle with a mass of 17 MeV, that promptly decays into e+e−. I review the current status of these anomalies, and some theoretical interpretation for the hypothetical new particle. I will also describe the experimental prospects for validating or disproving the X17 hypothesis, and I will stress the importance of verifying the nuclear physics experimental hint by means of a particle physics experiment.
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Meeting ID: 894 4465 1263