Self-interacting neutrino portal dark matter

Lamprea, J. M.; Peinado, E.; Smolenski, S.; Wudka, José

doi:10.1103/physrevd.103.015017

Cited by 17 publications

(10 citation statements)

References 107 publications

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“…From a theoretical perspective, MeV-scale thermal dark matter candidates were shown to be viable some years ago [18][19][20] and, since then, a large number of MeV-scale dark matter models have appeared in the literature, see e.g. [21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38]. Experimentally, with the aim of testing as many scenarios as possible [39], a complementary program has been developed to test the possible existence of MeV-scale dark matter particles and potential companions Beyond the Standard Model (BSM) [14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Refined bounds on MeV-scale thermal dark sectors from BBN and the CMB

Sabti

Alvey

Escudero

et al. 2020

J. Cosmol. Astropart. Phys.

181

174

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New light states thermally coupled to the Standard Model plasma alter the expansion history of the Universe and impact the synthesis of the primordial light elements. In this work, we carry out an exhaustive and precise analysis of the implications of MeV-scale BSM particles in Big Bang Nucleosynthesis (BBN) and for Cosmic Microwave Background (CMB) observations. We find that BBN observations set a lower bound on the thermal dark matter mass of mχ > 0.4 MeV at 2σ. This bound is independent of the spin and number of internal degrees of freedom of the particle, of the annihilation being s-wave or p-wave, and of the annihilation final state. Furthermore, we show that current BBN plus CMB observations constrain purely electrophilic and neutrinophilic BSM species to have a mass, mχ > 3.7 MeV at 2σ. We explore the reach of future BBN measurements and show that upcoming CMB missions should improve the bounds on light BSM thermal states to mχ > (10 − 15) MeV. Finally, we demonstrate that very light BSM species thermally coupled to the SM plasma are highly disfavoured by current cosmological observations. S nashwan.sabti@kcl.ac.uk

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Section: Introductionmentioning

confidence: 99%

Refined bounds on MeV-scale thermal dark sectors from BBN and the CMB

Sabti

Alvey

Escudero

et al. 2020

J. Cosmol. Astropart. Phys.

181

174

View full text Add to dashboard Cite

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“…In several models of so-called "neutrino portal" dark matter, Galactic dark matter self-annihilates into neutrinos [519][520][521][522][523]. These in turn may be detected at direct detection experiments with high rates via coherent elastic neutrino-nucleus scattering (see section V A 1).…”

Section: G Dark Matter Annihilation Productsmentioning

confidence: 99%

A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics

Aalbers,

Abe,

Aerne

et al. 2022

Preprint

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The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leading technology to cover the available parameter space for Weakly Interacting Massive Particles (WIMPs), while featuring extensive sensitivity to many alternative dark matter candidates. These detectors can also study neutrinos through neutrinoless double-beta decay and through a variety of astrophysical

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“…Within the neutral-mediator paradigm one can determine by inspection [38] that the operators in table 1 are generated at tree level 2 by scalar mediators (categories II an V), fermion mediators (categories III and VI), vector mediators (category VII), or antisymmetric tensors representing spin-one mediators (categories IV and VIII). In this work, we will focus on operators with vector and antisymmetric tensor mediators because the models with scalar and fermion mediators have already been studied extensively [34,37,49,[66][67][68][69][70][71][72][73][74]. We emphasize that the type of vector mediators we refer to do not correspond to dark photons [75,76], which in the current scheme are members of the dark sector transforming non-trivially under G dark , while the vector mediators considered here are singlets under this group.…”

Section: )µν Darkmentioning

confidence: 99%

Effective field theory analysis of dark matter-standard model interactions with spin one mediators

Fortuna,

Roig,

Wudka

2020

Preprint

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We analyze interactions between dark matter and standard model particles with spin one mediators in an effective field theory framework. In this paper, we are considering dark particles masses in the range from a few MeV to the mass of the Z boson. We use bounds from different experiments: Z invisible decay width, relic density, direct detection experiments, and indirect detection limits from the search of gamma-ray emissions and positron fluxes. We obtain solutions corresponding to operators with antisymmetric tensor mediators that fulfill all those requirements within our approach.

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Self-interacting neutrino portal dark matter

Cited by 17 publications

References 107 publications

Refined bounds on MeV-scale thermal dark sectors from BBN and the CMB

Refined bounds on MeV-scale thermal dark sectors from BBN and the CMB

A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics

Effective field theory analysis of dark matter-standard model interactions with spin one mediators

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