XENON1T anomaly: A light Z ' from a Two Higgs Doublet Model

Lindner, Manfred; Mambrini, Yann; de Melo, Tessio B.; Queiroz, Farinaldo S.

doi:10.1016/j.physletb.2020.135972

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XENON1T anomaly: A light Z ' from a Two Higgs Doublet Model

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Lindner, Manfred
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Citation

Lindner, M., Mambrini, Y., de Melo, T. B., & Queiroz, F. S. (2020). XENON1T anomaly: A light Z ' from a Two Higgs Doublet Model. Physics Letters B, 811: 135972. doi:10.1016/j.physletb.2020.135972.

Cite as: https://hdl.handle.net/21.11116/0000-0008-298A-F

Abstract

Motivated by the low-energy electron recoil spectrum observed by the dark matter experiment, XENON1T, at Gran Sasso laboratory, we interpret the observed signal not in terms of a dark matter particle, but rather in the context of a new light Z' gauge boson. We discuss how such a light Z' emerges in a Two Higgs Doublet Model augmented by an abelian gauge symmetry where neutrino masses and the flavor problem are addressed, in agreement with neutrino-electron scattering data. (C) 2020 The Authors. Published by Elsevier B.V.