“Dark Matter” Science-Research, January 2022, Week 2 — summary from Astrophysics Data System, OSTI GOV, Arxiv and DOAJ

Astrophysics Data System — summary generated by Brevi Assistant

We study the influence of self-interacting bosonic dark matter on different evident properties of neutron stars. Enabling a mixture between DM and baryonic matter, the formation of a dense DM core or a prolonged dark halo has been explored. In an easy hydrodynamic model, the transverse energy circulations are discovered for A hyperons formed in pp crashes at ultrarelativistic energies. The X38 boson with a mass of 38 MeV has a mass close to the boson mass gotten by us, equal to 35 MeV for an electro-magnetic tube. The thickness of dark matter near the Sun is very important for experiments searching for dark matter bits busy, and for constricting the local shape of the Milky Way’s dark matter halo. We examine the effect of each of the terms in the Jeans-Poisson formulas on our capacity to correctly remove the local dark matter thickness from the substitute data. The Cosmic Neutrino Background anisotropies for substantial neutrinos are unique probe of large framework formation. Distinctions in the early phases of large structure formation in Warm Dark Matter versus Cold Dark Matter cosmologies have an influence on the size of the C ν B anisotropies for contributions to the angular power range that come to a head at high k -settings. We present a look for fundamental constant oscillations in the variety of 20 ~kHz- 100 MHz, that might emerge within models for ultralight dark matter. We report no monitoring of UDM and thus constrain corresponding combinings to electrons and photons within the explored UDM particle mass array 8·10^-11–4·10^-7 eV. Bardeen suggested a gravitationally breaking down magnetic monopole black hole remedy which is cost-free of selfhood. Additionally, the blackhole emission rate is also examined, We figured out that for rotating Bardeen in PFDM, for a continuous monopole charge, the emission rate rises with rise in dark matter parameter, the emission rate reduces with increase in magnetic cost and spin.

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OSTI GOV — summary generated by Brevi Assistant

A new U dark gauge group paired to the Standard Model by means of the kinetic mixing portal gives a natural dark matter candidate in the type of the Higgs field, hd, in charge of producing the mass of the dark photon, γ d. We show that the problem m h d ≤ m γ d, together with smallness of the kinetic blending specification, ϵ, and/or dark scale combining, g d, leads the dark Higgs to be adequately metastable to make up An axion rotating in field space can produce dark photons in the very early cosmos through tachyonic instability. This explosive bit production creates a history of stochastic gravitational waves that might show up at pulsar timing arrays or various other gravitational wave detectors. We researched the compatibility of the observed DAMA inflection signal with inelastic spreading of dark matter off of the 0. 1% Thallium dopant in DAMA. In 2010, had proposed the Tl interpretation of the DAMA data, and much more recently the DAMA/LIBRA collaboration located areas in specification space of Tl inelastic spreading that vary by more than 10σ from a no modulation hypothesis. We discuss two complementary approaches to looking for light dark matter making use of the positron light beam potentially available in the future at Jefferson Laboratory. A look for dark matter is conducted in last states having a photon and missing transverse energy in proton-proton accidents at √ s = 13 TeV. Additionally, the results are expressed in terms of 95% confidence-level limitations on the parameters of a model with an axion-like bit created in association with a photon, and are made use of to constrain the combining g a Z γ of an axion-like bit to the electroweak scale bosons. Ultralight bosons such as axion-like fragments are practical prospects for dark matter.

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Arxiv — summary generated by Brevi Assistant

We make use of the Milky Way’s nuclear star cluster to test the presence of a dark matter’soliton core’, as forecasted in ultra-light dark matter models. Cosmic-ray positrons have long been considered an effective probe of dark matter destruction. In this paper, we instead take a look at the possibility for incredibly exact positron dimensions by AMS-02 to probe hard leptophilic dark matter prospects that do not have spectral features similar to the mass of the observed positron excess. The direct discovery of sub-GeV dark matter interacting with nucleons is hampered by the reduced recoil energies induced by spreadings in the detectors. This speculative difficulty is kept clear in the scenario of improved dark matter where an element of dark matter particles is gifted with big kinetic powers. We present a look for fundamental continuous oscillations in the variety of 20 ~kHz- 100 MHz, that might develop within models for ultralight dark matter. The Peccei-Quinn mechanism not only acts as a description for the absence of solid CP offense yet also can play a main function in the solution to various other open questions in particle physics and cosmology. Specifically, scotogenic neutrino masses occur at one loophole degree with the lightest fermionic moderator area serving as the 2nd dark matter candidate many thanks to the recurring Z_2 balance resulting from the PQ proportion splitting. We prolong the fraternal twin Higgs scenario to include a unique dark matter prospect along with a mechanism for producing a matter/antimatter crookedness in both fields. A spontaneous splitting of twin color results in quark levels of flexibility that are singlets under the recurring twin color group.

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DOAJ — summary generated by Brevi Assistant

Abstract in the framework where the solid combining is dynamical, the QCD sector may confine at a much greater temperature than it would in the Standard Model, and the temperature-dependent mass of the QCD axion develops in a non-trivial way. Such a reductions could consequently open a wide array of specification space, resurrecting in specific axion dark-matter models with a large Peccei-Quinn range f a ≫ 1012 GeV, i. E., With a lighter mass than the standard QCD axion. The human gut microbiota has been checked out by a large range of culture-dependent and culture-independent techniques, revealing that many microbes remain uncharacterized and uncultured. Our technique enabled us to lose light on the dark matter of the human digestive tract microbiota and disclosed that both culturomics and metagenomics methods are needed for better insight into the variety and richness of microorganisms in the human intestine microbiota. Dark matter is anticipated to be the leading mass part in galaxies. In the central region of early-type galaxies it is expected to make up a large quantity of the total mass, although the stellar mass must still represent most of the mass budget plan, depending upon the stellar initial mass function. Abstract in leptophilic scenarios, dark matter communications with cores, appropriate for direct detection experiments and for the capture of celestial things, could only occur by means of loop-induced procedures. Furthermore, we quantitatively show that kind aspects in the range of energy transfer pertinent for neighborhood stellar dark matter, can be dramatically smaller than their worth with absolutely no energy transfer, which is the approach normally taken into consideration. Abstract We reveal that cozy rising cost of living can be realized within a marginal expansion of the Standard Model with three right-handed neutrinos, three intricate scalars and an assessed lepton/B-L U symmetry.

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