“Dark Matter” Science-Research, December 2021, Week 3 — summary from Astrophysics Data System, OSTI GOV, Arxiv and DOAJ

Astrophysics Data System — summary generated by Brevi Assistant

The E989 experiment at the Fermi National Laboratory reported a 4. 2 σ disparity in between the gauged magnetic dipole minute of the muon, and its forecast in the Standard Model. We demonstrate that future generation straight discovery experiments are just partially conscious of the viable parameter space of our model and, hence, a future lepton collider could be the essential probe needed to identify our model from various other BSM options to the muon g-2 anomaly. Motivated by the observed proportion of dark matter to baryon mass densities, ρ_D/ρ_B ≃5 we propose a theory of dark-color unification. We concentrate on the most basic possible instance of such a theory, where the standard model color SU_C is linked with dark shade SU_D right into SU at an intermediate range of around 10⁸-10⁹ GeV. The Lyman- α absorption range connected with photons passing through the intergalactic tool permits us to probe the direct matter power spectrum down to relatively little distance ranges. While such restrictions have been reviewed for dark-matter models with reasonably easy dark-matter rate circulations, more complex models- especially those with dark-matter velocity circulations extending across multiple ranges- are receiving boosting interest. We take into consideration a U_B-L model with a Z^’ portal Dirac fermion dark matter χ of low mass which pairs really weakly to the B-L scale boson Z^’. For the freeze-out situation, we reveal that the observed DM wealth is replicated near the Z^’ resonance, m_χ≃m_Z^’/2 where m_χ is the DM mass. The DArk Matter Particle Explorer is well appropriate for looking for sharp and monochromatic γ -ray structures in the GeV-TeV array thanks to its unprecedented high energy resolution. We examine the non-thermal manufacturing of dark matter in a scalar extensive singlet doublet fermion model where the lightest admixture of the fermions constitutes a suitable dark matter prospect. If the dark sector is highly paired, it goes through interior dark thermal stability after freeze-in manufacturing, and we wind up with subdued antique abundance for the fermion dark matter in a radiation dominated Universe.

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 present searchings for from N-body simulations of self-interacting dark matter subhalos, which can hold ultra-faint dwarf spheroidal galaxies, inside a Milky-Way-like major halo. We go over feasible ways of differentiating SIDM models from collisionless dark matter models utilizing the presumed dark matter densities and stellar dimensions of the dwarf spheroidal galaxies. Dark matter could be made up of compact dark items. Data from superconducting gravimeters rule out such things relocating inside the Earth unless their mass m D and or orbital span a are very small to ensure that m D is < 1. 2 × 10–13 M ⊕ R ⊕. In this work, we present the first direct-detection look for sub-GeV dark matter making use of a new ~2-gram high-resistivity Skipper CCD from a devoted construction set that was optimized for dark matter searches. Making use of 24 days of information acquired in the MINOS cave at the Fermi National Accelerator Laboratory, we gauged the most affordable rates in silicon detectors for occasions consisting of one, two, 3, or four electrons, and accomplished a world-leading level of sensitivity for a large series of sub-GeV dark matter masses. If a fraction of the dark matter is unstable and decomposes into dark radiation at around the time of matter-radiation equal rights, it might affect the growth history of deep space in a way that aids to ameliorate the long-lasting tension between the in your area gauged value of the Hubble consistent and the value inferred from dimensions of the cosmic microwave history and baryon acoustic oscillations. We discover that an element of warm decaying dark matter can dramatically minimize the tension between cosmological and regional resolutions of the Hubble constant.

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

The E989 experiment at the Fermi National Laboratory reported a 4. 2 σ inconsistency in between the determined magnetic dipole minute of the muon, and its forecast in the Standard Model. We show that next generation straight discovery experiments are only marginally conscious of the viable criterion space of our model and, thus, a future lepton collider could be the essential probe necessary to distinguish our model from various other BSM services to the muon g-2 anomaly. The Lyman- α absorption spectrum connected with photons going across the intergalactic medium permits us to probe the direct matter power spectrum down to fairly small distance scales. While such constraints have been examined for dark-matter models with fairly straightforward dark-matter velocity distributions, more complicated models- particularly those with dark-matter velocity distributions stretching throughout numerous ranges- are receiving boosting interest. We present the principle of impedance matching to axion dark matter by posturing the concern of why axion discovery is tough, even though there is sufficient power in each square meter of event dark-matter change to invigorate a LED light bulb. By evaluating backreaction on the axion field, we show that a small axion-photon combining does not on its own prevent an order-unity fraction of the dark matter from being soaked up with ideal resistance suit. We consider a U_B-L model with a Z^’ portal Dirac fermion dark matter χ of reduced mass which combines extremely weakly to the B-L scale boson Z^’. To review the DM relic wealth, we checked out both the freeze-out and freeze-in DM situations. The manufacturing of dark matter in association with Higgs bosons is anticipated in numerous extensions of the Standard Model. In the situation of the two-Higgs-doublet model with an extra vector boson Z’ the observed limitations expand to approximately a Z’ mass of 3 TeV for a mass of 100 GeV for the dark matter prospect. We examine the non-thermal production of dark matter in a scalar prolonged singlet doublet fermion model where the lightest admixture of the fermions makes up a suitable dark matter candidate. If the dark sector is strongly combined, it undertakes internal dark thermal balance after freeze-in manufacturing, and we wind up with suppressed antique wealth for the fermion dark matter in a radiation controlled Universe.

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

Eukaryotic genomes contain highly variable quantities of DNA without evident function. In this study, we have made use of a combination of tools, making it possible for us to reveal that the repeatome from the small and decreasing A. Thaliana genome is significantly bigger than previously believed. As a tentative standard for the community, we suggest a deep compendium annotation of the A. Thaliana repeatome that may aid dealing with farther genome evolution along with transcriptional and epigenetic regulation in this model plant. Abstract It is assumed that heavy dark matter particles with a mass of O are captured by the Sun. Based upon the assumption that no occasions are observed at IceCube in 6 years, the matching upper limits on LDM changes were calculated at 90% C. L. These results suggested that LDMs might be directly spotted in the O-O energy variety at IceCube with 100 GeV ≲ m Z ′ ≲ 350 GeV and τ ϕ ≲ 5 × 1022ṡ. Abstract The production of dark matter in association with Higgs bosons is predicted in numerous extensions of the Standard Model. Limitations are set, at 95% confidence level, in 2 benchmark models with 2 Higgs doublets expanded by either a hefty vector boson Z ′ or a pseudoscalar singlet a and which both offer a dark matter candidate χ. The two-Higgs-doublet model with a dark matter bit mass of 10 GeV and an additional pseudoscalar a is excluded for masses of as much as 520 GeV and 240 GeV for tan β = 1 and tan β = 10 specifically. Abstract The presence of a light moderator is beneficial to some sensations in astroparticle physics, such as the core-cusp trouble and a variety of problem. If the mediator is light completely, we can not neglect the s-wave radiative bound state formation procedure from the point of view of CMB ionization and Sommerfeld enhancement. We put big mass splitting between DM and arbitrator, various temperature level advancement on the same theoretical ground, going over the ramification for DM relic density in this HS.

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