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

Astrophysics Data System — summary generated by Brevi Assistant

We present a course of new physics situations wherein the Standard Model is prolonged with a new SU(2)_D dark scale sector. This class of Fermion Portal Vector DM permits numerous realisations, depending upon the properties of the VL companion and the scalar capacity. It can effectively be recorded by a neutron star if dark matter has a substantial spreading cross area with nucleons. In this paper, we show that for electroweak multiplet dark matter, this search technique can penetrate the parameter area which runs out reach of future dark matter straight detection experiments. In this paper, we consider the theory that portions of dark matter might be constituted by prehistoric black holes. Repercussions relative to the present knowledge of prehistoric black hole physics are talked about. We take into consideration a course of U’ -expanded minimal supersymmetric expansion of the Standard Model in which the U’ symmetry is damaged by vacuum cleaner expectation worths of four MSSM singlet fields. If the relic density of dark matter is filled only by a neutralino, suitable solutions forecast LSP neutralinos formed by the MSSM singlet fields in the mass ranges listed below concerning 600 GeV, while it is feasible to realize MSSM neutralino LSP over these mass ranges. The observed value of the muon magnetic dipole moment, which deviates from the Standard Model prediction by 4.2σ can be described in models with weakly-interacting large fragments paired to muons. This impact can be observed in old NSs as it keeps the NS surface area temperature at a couple of thousand K at most, which is a lot more than the predicted worths of the basic NS air conditioning theory for NSs older than ∼10⁷ years. Dark matter has been postulated to clarify the extra of gravitation in relationship to Newtonian physics of galaxies. These monitorings reveal a similar spatial distribution of dark matter on the one hand and photons on the other hand.

Please keep in mind that the text is machine-generated by the Brevi Technologies’ Natural language Generation model, and we do not bear any responsibility. The text above has not been edited and/or modified in any way.

Source texts:

OSTI GOV — summary generated by Brevi Assistant

We talk about 2 complementary strategies to look for light dark matter exploiting the positron beam possibly readily available in the future at Jefferson Laboratory. A look for dark matter is performed in final states including a photon and missing transverse energy in proton-proton accidents at √(S) S = 13 TeV. This paper offers a look for dark matter in the context of a two-Higgs-doublet model along with an extra pseudoscalar moderator, a, which rots right into the dark-matter fragments. Procedures where the pseudoscalar mediator is generated in association with a solitary top quark in the 2HDM+a model are discovered for the very first time at the LHC. Observations reveal that supermassive black holes with a mass of ∠1/4 10 9 M ⊠™ exist when the universe is just 6% of its current age. Our results show that self-interacting dark matter can supply a unified explanation for varied dark matter circulations in galaxies today and the origin of SMBHs at redshifts z ∠1/4 6âEUR7. We supply upgraded evaluation of the power of the Cherenkov Telescope Array to look for thermally created dark matter at the TeV scale, through the associated gamma-ray signal from pair-annihilating dark matter fragments in the area around the Galactic centre. We discover that CTA will open a new home window of discovery potential, substantially prolonging the variety of robustly testable models given a basic cuspy account of the dark matter thickness distribution. A number of large, high-redshift galaxies have recently been discovered to have stars with ages of several hundred million years, pressing the onset of star formation in these galaxies back to z ~15. There are statistically substantial differences of ~5 Myr between typical stellar ages of enormous galaxies in CDM and 3 keV WDM, while CDM and 6 keV WDM are statistically identical.

Please keep in mind that the text is machine-generated by the Brevi Technologies’ Natural language Generation model, and we do not bear any responsibility. The text above has not been edited and/or modified in any way.

Source texts:

Arxiv — summary generated by Brevi Assistant

We present a class of new physics scenarios where the Standard Model is extended with a new SU(2)_D dark gauge sector. We present a suite of 16 high-resolution hydrodynamic simulations of an isolated dwarf galaxy within an initially cuspy dark matter halo, consisting of self-interactions in between the DM bits; along with stochastic star development and subsequent supernova comments, executed utilizing the stellar feedback model SMUGGLE. The simulations start from identical first conditions and we control the stamina of SIDM and SNF by methodically differing the SIDM energy transfer sample and the gas density limit for star formation. The evaporations of Primordial Black Holes can produce electrons/positrons in the Galactic Centre region which intoxicated of the electromagnetic field of the Centre region can produce synchrotron radiation. On the other hand, destruction or decay of dark matter in the Galactic Centre region can produce e^-/e^+ as the end product which again may emit synchrotron radiation in the Galactic magnetic field and induce Inverse Compton scattering. We think about a course of U(1)^’ -extended MSSM in which the U(1)^’ proportion is broken by vacuum assumption values of 4 MSSM singlet fields. If the relic density of dark matter is saturated just by a neutralino, compatible solutions anticipate LSP neutralinos formed by the MSSM singlet fields in the mass ranges below concerning 600 GeV, while it is feasible to recognize MSSM neutralino LSP above these mass scales. The observed worth of the muon magnetic dipole minute, which differs the Standard Model forecast by 4.2σ can be explained in models with weakly-interacting huge bits coupled to muons. This effect can be observed in old NSs as it maintains the NS surface area temperature at a couple of thousand K at most, which is a lot greater than the predicted values of the common NS cooling theory for NSs older than ∼10⁷ years. We extend the analysis of Pace et al.

Please keep in mind that the text is machine-generated by the Brevi Technologies’ Natural language Generation model, and we do not bear any responsibility. The text above has not been edited and/or modified in any way.

Source texts:

DOAJ — summary generated by Brevi Assistant

Abstract In this paper we study a model of communicating dark energy- dark matter where the ratio between these components is not continuous, transforming from early to late times in such a way that the model can address or minimize the cosmic coincidence problem. The interaction emerges from an assumed relationship of the form ρ_x∝ρ_d^α ρ x ∝ ρ d α, where ρ_x ρ x and ρ_d ρ d are the energy densities of dark energy and dark matter elements, specifically, and α α is a totally free criterion. Abstract We examine an extension of the Standard Model with 2 candidates for dark matter. We researched both DM phenomenology and electroweak stage transition and revealed that there are some points in the specification space of the model consistent with DM relic thickness and direct detection restrictions, while at the exact same time can cause first order electroweak phase change. Abstract The LHC life time frontier will penetrate dark sector in future, and the noticeable decay searches at fixed-target experiments have been exploring the dark sector. Composite uneven dark matter with dark photon portal is an appealing structure discussing the coincidence issue between dark matter and visible matter. We talk about the phenomenology of no-scale supergravity, in which the universal scalar mass is not at the high scale, focusing on the just recently upgraded muon g-2 measurement, and including dark matter and the correct Higgs boson mass. Abstract in this work, we study the proliferation of high energy neutrinos produced in extragalactic resources, including the result of a possible interaction with ultralight axion-like particles with a mass m_a∼10^-22 eV m a ∼ 10–22 eV as the constituents of dark matter under the presumption that their coupling to neutrinos is dominant. This enables us to acquire the neutrino changes of the various tastes to be observed on the Earth with neutrino telescopes under various assumptions for the flavor make-up sent out at the resources and for a typical buying or upside down getting of the neutrino masses. The mitochondrial cytochrome C oxidase subunit I gene is typically utilized in ecological DNA metabarcoding researches, especially for examining metazoan variety.

Please keep in mind that the text is machine-generated by the Brevi Technologies’ Natural language Generation model, and we do not bear any responsibility. The text above has not been edited and/or modified in any way.

Source texts:

Brief Info about Brevi Assistant

The Brevi assistant is a novel way to automatically summarize, assemble, and consolidate multiple text documents, research papers, articles, publications, reports, reviews, feedback, etc., into one compact abstractive form.

At Brevi Assistant, we integrated the most popular open-source databases to empower Researchers, Teachers, and Students to find relevant Contents/Abstracts and to always be up to date about their fields of interest.

Also, users can automate the topics and sources of interest to receive weekly or monthly summaries.

--

--

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Brevi Assistant

Brevi Assistant

Brevi assistant is the world’s first AI technology able to summarize various document types about the same topic with complete accuracy.