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A light Z’ as a solution of the 17 MeV anomaly

Luigi Delle Rose (FI)

19 Ottobre 2018 @ 14:30 - 16:30

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 gauge boson, Z’, with a mass of 17 MeV in the Atomki experimental data, for appropriate choices of U(1)’ charges and Yukawa interactions.


19 Ottobre 2018
14:30 - 16:30
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Aula Seminari
Via Enrico Fermi, 40
Frascati, Roma 00044 Italia