5. Theoretical Physics (CSN4)

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

by Luigi Delle Rose (INFN Firenze)

Europe/Rome
Aula Seminari (LNF)

Aula Seminari

LNF

Via Enrico Fermi, 40 00044 Frascati (Roma)
Description
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.
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