Volume 314 -
The European Physical Society Conference on High Energy Physics (EPS-HEP2017) -
Higgs and New Physics (Poster Session). Scientific Secretary: Luciano Canton.
Explanation of the Beryllium Anomaly in a $U(1)'$-Extended 2-Higgs Doublet Model
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Pre-published on:
January 26, 2018
Published on:
March 20, 2018
Abstract
We consider an extension of the Standard Model with an extra gauged $U(1)'$ symmetry in presence of a 2-Higgs Doublet Model structure of the scalar sector. We show that this scenario is able to explain the anomaly observed by the Atomki collaboration in the decay of an excited state of Beryllium via a light spin-1 Z' with a mass of 17 MeV.
DOI: https://doi.org/10.22323/1.314.0692
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.