Articles with "dark sector" as a keyword



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Probing the dark sector through mono-Z boson leptonic decays

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Published in 2017 at "Journal of High Energy Physics"

DOI: 10.1007/jhep02(2018)090

Abstract: A bstractCollider search for dark matter production has been performed over the years based on high pT standard model signatures balanced by large missing transverse energy. The mono-Z boson production with leptonic decay has a… read more here.

Keywords: dark sector; probing dark; boson; mono boson ... See more keywords
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Taxonomic and morphological descriptors reveal high benthic temporal variability in a Mediterranean marine submerged cave over a decade

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Published in 2019 at "Hydrobiologia"

DOI: 10.1007/s10750-019-04005-2

Abstract: The effectiveness of monitoring programs in the marine environment is often limited by the scarcity of information concerning medium/long-term time series observations (years-decades) in complex and variable systems. Marine submerged caves, in particular, have received… read more here.

Keywords: morphological descriptors; dark sector; taxonomic morphological; marine submerged ... See more keywords
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Cosmological constraints on parametrized interacting dark energy

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Published in 2019 at "Physics of the Dark Universe"

DOI: 10.1016/j.dark.2018.10.007

Abstract: Abstract We reconsider the dynamics of the Universe in the presence of interactions in the cosmological dark sector. A class of interacting models is introduced via a real function f r of the ratio r… read more here.

Keywords: constraints parametrized; energy; dark sector; dark ... See more keywords
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Reconstructing a non-linear interaction in the dark sector with cosmological observations

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Published in 2021 at "Physics of the Dark Universe"

DOI: 10.1016/j.dark.2021.100784

Abstract: Abstract In this work we model two non-linear directly interacting scenarios in dark sector of the universe with the dimensionless parameter α and β , which dominate the energy exchange between dark energy and dark… read more here.

Keywords: dark sector; power spectrum; interaction;
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A model of neutrino mass, baryon asymmetry, and asymmetric dark matter with SU(2)D⊗U(1)D′ dark sector

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Published in 2019 at "Nuclear Physics B"

DOI: 10.1016/j.nuclphysb.2019.114643

Abstract: Abstract I suggest a new extension of the standard model of particle physics, which introduces a dark sector with the S U ( 2 ) D ⊗ U ( 1 ) D ′ symmetry besides… read more here.

Keywords: neutrino mass; dark sector; physics; model ... See more keywords
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Probing the independence within the dark sector in the fluid approximation

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Published in 2019 at "Journal of Cosmology and Astroparticle Physics"

DOI: 10.1088/1475-7516/2019/12/030

Abstract: The standard model of cosmology is based on two unknown dark components that are uncoupled from each other. In this paper we investigate whether there is evidence for an interaction between these components of cold… read more here.

Keywords: dark sector; independence within; interaction; probing independence ... See more keywords
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Observational constraints and predictions of the interacting dark sector with field-fluid mapping

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Published in 2022 at "Journal of Cosmology and Astroparticle Physics"

DOI: 10.1088/1475-7516/2022/01/024

Abstract: We consider an interacting field theory model that describes the interaction between dark energy-dark matter interaction. Only for a specific interaction term, this interacting field theory description has an equivalent interacting fluid description. For inverse… read more here.

Keywords: interaction; field; dark sector; interacting dark ... See more keywords
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Approaching the Dark Sector through a bounding curvature criterion

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Published in 2018 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/sty3073

Abstract: Understanding the observations of dynamical tracers and the trajectories of lensed photons at galactic scales within the context of General Relativity (GR), requires the introduction of a hypothetical dark matter dominant component. The onset of… read more here.

Keywords: dark sector; approaching dark; dark; bounding curvature ... See more keywords
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Stellar probes of dark sector-photon interactions

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Published in 2019 at "Physical Review D"

DOI: 10.1103/physrevd.100.083002

Abstract: Electromagnetically neutral dark sector particles may directly couple to the photon through higher dimensional effective operators. Considering electric and magnetic dipole moment, anapole moment, and charge radius interactions, we derive constraints from stellar energy loss… read more here.

Keywords: dark sector; dark states; dark; mass ... See more keywords
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Dark sector to restore cosmological concordance

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Published in 2021 at "Physical Review D"

DOI: 10.1103/physrevd.104.l081303

Abstract: We develop a new phenomenological model that addresses current tensions between observations of the early and late Universe. Our scenario features: (i) a decaying dark energy fluid, which undergoes a transition at z ∼ 5,… read more here.

Keywords: dark sector; sector; model; restore cosmological ... See more keywords
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Constraining nonminimal dark sector scenarios with the COHERENT neutrino scattering data

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Published in 2022 at "Physical Review D"

DOI: 10.1103/physrevd.107.075022

Abstract: Abelian dark sector scenarios embedded into the two-Higgs doublet model are scrutinized within the Coherent Elastic Neutrino-Nucleus Scattering (CE$\nu$NS) experiment, which was first measured by the COHERENT Collaboration in 2017 with an ongoing effort to… read more here.

Keywords: dark sector; sector scenarios; neutrino; dark ... See more keywords