“Dark Matter” Science-Research, February 2022, Week 1 — summary from Astrophysics Data System, OSTI GOV, Arxiv and DOAJ

Astrophysics Data System — summary generated by Brevi Assistant

To disclose the nature of the dark matter bits, a gamma-ray signal produced in destruction procedures of DM right into the conventional model bits has been among the significant probes. Neutron Stars are birthed as hot, lepton-rich items that evolve according to the basic paradigm with succeeding phases where they emit the excess of energy by producing, first, neutrinos and, later, photons. We concentrate on a specific study assuming a generic light prospect with mass m_χ=0.1 GeV/c² that undertakes self-annihilating reactions through pseudoscalar moderators producing neutrinos in the last state. As low-threshold dark matter detectors advancement in advancement, they will end up being delicate to detest solar neutrinos, which opens the opportunity to explore neutrino properties. In this brief paper, we show that atom interferometer experiments such as MAGIS, AION or AEDGE have the potential to not just probe very light dark matter models, but they will penetrate quantum gravity. We reveal that the linear combining of a singlet scalar dark matter particle to photons or electrons is currently ruled out by our current understanding of quantum gravity combined to data from torsion pendulum experiments. Any kind of dark matter spikes bordering black holes in our Galaxy are sites of significant dark matter destruction, resulting in a potentially obvious neutrino signal. The bigger black holes considered in this paper may develop as the remnants of Dark Stars after the dark matter gas is worn down; thus neutrino monitoring might be used to constrict the properties of Dark Stars. We consider a U_X⊗ℤ_2⊗ℤ’_2 expansion of the Standard Model, where the U_X cost of an SM area is offered by a straight combination of its hypercharge and B-L number. Therefore, both χ and N_R³ contribute to the observed dark matter relic density, causing two-component dark matter prospects.

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OSTI GOV — summary generated by Brevi Assistant

If the dark matter belongs to a hidden sector with just very feeble couplings to the Standard Model, the lightest fragment in the concealed sector will generically be long-lived and could involve controlling the energy thickness of the world prior to the onset of nucleosynthesis. Since the dark matter does not couple straight to the Standard Model, the minimum halo mass is much smaller sized than expected for weakly interacting dark matter, and the tiniest halos might form during the radiation-dominated era. We utilize the most recent measurements of the Milky Way satellite population from the Dark Energy Survey and Pan-STARRS1 to presume the most rigorous astrophysical bound to day on velocity-dependent communications in between dark matter fragments and protons. These outcomes boost empirical limitations on dark matter- proton spreading by orders of magnitude and therefore give a crucial guide for sensible sub-GeV dark matter candidates. In a specialized run where protons from the Fermilab Booster were provided straight to the steel beam dump of the Booster Neutrino Beamline, the MiniBooNE detector was used to look for the production of sub-GeV dark matter particles via vector-boson arbitrators. TeV-scale bits that couple to the typical model with the weak force stand for a compelling course of dark matter prospects. In this paper, we reveal that the upcoming Cherenkov Telescope Array has a considerable level of sensitivity to undiscovered parameter space at the TeV mass scale. This task pursued 2 significant speculative goals connected to the quantum engineering of the ensemble of nuclear spin qubits, as a possible picking up platform for axion-like dark matter: manage the fidelity of spin set state preparation, define the coherence time of the spin set under various drive problems. The ANITA experiment, which is designed to discover ultra-high energy neutrinos, has reported the monitoring of two anomalous events, directed at angles of 27^∘ and 35^∘ relative to the straight.

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Arxiv — summary generated by Brevi Assistant

To reveal the nature of the dark matter fragments, a gamma-ray signal created in destruction processes of DM into the basic model fragments has been just one of the significant probes. As low-threshold dark matter detectors development in development, they will become delicate to recoil from solar neutrinos, which opens up the opportunity to explore neutrino properties. In this brief paper, we show that atom interferometer experiments such as MAGIS, AION or AEDGE have the prospective to not just probe real light dark matter models, but they will penetrate quantum gravity. We show that the straight combining of a singlet scalar dark matter particle to electrons or photons is currently dismissed by our existing understanding of quantum gravity paired to data from torsion pendulum experiments. Neutrinos from supernova ruptureds can trigger an observable number of nuclear recoil occasions with the neutral present process of coherent flexible neutrino-nucleus scattering in future big fluid xenon detectors used for dark matter search, depending on the SN progenitor mass and range to the SN occasion. In addition to their reduced stellar densities, ultra-diffuse galaxies have a wide selection of dynamical mass-to-light proportions, ranging from dark matter-dominated systems to items virtually empty of DM. The pattern of boosting galaxy dimension with GC specific regularity observed in galaxy clusters emerges normally in the model. We consider a U_X⊗ℤ_2⊗ℤ’_2 expansion of the Standard Model, where the U_X cost of an SM field is provided by a straight combination of its hypercharge and B-L number. Therefore, both χ and N_R³ add to the observed dark matter relic density, leading to two-component dark matter prospects.

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DOAJ — summary generated by Brevi Assistant

Neutron Stars are birthed as hot, lepton-rich things that evolve according to the common paradigm through succeeding stages where they emit the excess of energy by giving off, first, neutrinos and, in the future, photons. We explore the development of the dark matter thickness accounts of one of the most large galaxy collections in deep space. Once scaled to the important thickness at each redshift, the dark matter profiles within r500 are noticeably comparable from z ~1 to the present day, exhibiting a reduced diffusion of 0. 15 dex, and showing little evolution with redshift in the radial logarithmic slope and scatter. Abstract We carried out a full next-to-leading order calculation of the non-Abelian electric area correlator in a SU plasma, which inscribes properties of the plasma relevant for heavy fragment bound state development and dissociation, and is different from the correlator for the hefty quark diffusion coefficient. The renormalization team equation of this electric field correlator is figured out by that of the solid combining constant. Abstract The level of sensitivity to dark matter signals in neutrino experiments is fundamentally challenged by the neutrino rates, as they leave similar signatures in their detectors. As a way to enhance the signal sensitivity, we check out a dark matter search strategy which utilizes the timing and energy spectra to discriminate dark matter from neutrino signals at low-energy, pulsed-beam neutrino experiments. We checked out the easiest feasible dark matter model with an actual singlet scalar, vector-like singlet and doublet fermions. We did the collider evaluation for the FIMP dark matter in the context of 14 TeV LHC experiments with the MATHUSLA100/200 detector. Collection number matter is a significant cosmological probe for the future generation of cosmological large scale-structure surveys like the one anticipated from the Euclid satellite goal.

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