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Collider bounds on 2-Higgs doublet models with U (1) X gauge symmetries
/ Camargo, Daniel A. ; Delle Rose, Luigi ; Moretti, Stefano ; Queiroz, Farinaldo S.
2-Higgs Doublet Models (2HDMs) typically need to invoke an ad-hoc discrete symmetry to avoid severe flavor bounds and in addition feature massless neutrinos, thus falling short of naturally complying with existing data. [...]
Published in Physics letters B (2019)
10.1016/j.physletb.2019.04.048
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Asymmetric dark matter, inflation, and leptogenesis from symmetry breaking
/ Van Dong, Phung ; Huong, D. T. ; Camargo, Daniel A. ; Queiroz, Farinaldo S. ; et al
We propose a unified setup for dark matter, inflation, and baryon asymmetry generation through the neutrino mass seesaw mechanism. [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.055040
arXiv:1805.08251
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New Physics Landmarks: Dark Matter and Neutrino Masses
/ Queiroz, Farinaldo S. ; Valle, José W. F. ; Mambrini, Yann ; Arcadi, Giorgio
Published in Advances in High Energy Physics 2018 (2018) 2652536
10.1155/2018/2652536
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Scrutinizing right-handed neutrino portal dark matter with Yukawa effect
/ Bandyopadhyay, Priyotosh ; Chun, Eung Jin ; Mandal, Rusa ; Queiroz, Farinaldo S.
Analyzing the neutrino Yukawa effect in the freeze-out process of a generic dark matter candidate with right-handed neutrino portal, we identify the parameter regions satisfying the observed dark matter relic density as well as the current Fermi-LAT and H.E.S.S. [...]
Published in Physics letters B 788 (2019) 530-534
10.1016/j.physletb.2018.12.003
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XENON1T takes a razor to a dark E 6 -inspired model
/ Camargo, Daniel A. ; Mambrini, Yann ; Queiroz, Farinaldo S.
Motivated by the recent result of XENON1T collaboration with full exposure, 279 life days, that sets the most stringent limit on the spin-independent dark matter-nucleon scattering cross section we discuss a dark E6 -inspired model that features the presence of a U(1)d−u gauge symmetry. [...]
Published in Physics letters B 786 (2018) 337-341
10.1016/j.physletb.2018.09.057
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The dark L μ − L τ rises via kinetic mixing
/ Arcadi, Giorgio ; Hugle, Thomas ; Queiroz, Farinaldo S.
We investigate the dark matter phenomenology of a Dirac fermion together with kinetic mixing in the context of an Lμ−Lτ model. [...]
Published in Physics letters B (2018)
10.1016/j.physletb.2018.07.028
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Lepton flavor violation induced by dark matter
/ Arcadi, Giorgio ; Ferreira, C. P. ; Goertz, Florian ; Guzzo, M. M. ; et al
Guided by gauge principles we discuss a predictive and falsifiable UV complete model where the Dirac fermion that accounts for the cold dark matter abundance in our Universe induces the lepton flavor violation (LFV) decays and as well as conversion. [...]
Published in Physical Review D 97 (2018)
10.1103/PhysRevD.97.075022
arXiv:1712.02373
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The waning of the WIMP? A review of models, searches, and constraints
/ Arcadi, Giorgio ; Dutra, Maíra ; Ghosh, Pradipta ; Lindner, Manfred ; et al
Weakly Interacting Massive Particles (WIMPs) are among the best-motivated dark matter candidates. [...]
Published in EPJC 78 (2018) 203
10.1140/epjc/s10052-018-5662-y
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Dark sequential portal: Collider and direct detection experiments
/ Arcadi, Giorgio ; Campos, Miguel D. ; Lindner, Manfred ; Masiero, Antonio ; et al
We revisit the status of a Majorana fermion as a dark matter candidate when a sequential gauge boson dictates the dark matter phenomenology. [...]
Published in Phys. Rev. D 97 (2018)
10.1103/PhysRevD.97.043009
arXiv:1708.00890
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The semi-Hooperon: Gamma-ray and anti-proton excesses in the Galactic Center
/ Arcadi, Giorgio ; Queiroz, Farinaldo S. ; Siqueira, Clarissa
A puzzling excess in gamma-rays at GeV energies has been observed in the center of our galaxy using Fermi-LAT data. [...]
Published in Physics letters B (2017)
10.1016/j.physletb.2017.10.065
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