“Dark Matter” Science-Research, April 2022, Week 3 — summary from Astrophysics Data System, OSTI GOV, Arxiv and DOAJ

Astrophysics Data System — summary generated by Brevi Assistant

We researched a lepton portal dark matter model, encouraged by the discrepancy of the W boson mass reported by the CDF collaboration. Besides, the discrepancy in the muon strange magnetic moment and the DM density can all at once be clarified by this arrangement, if the vector-like lepton is lighter than 200 GeV and virtually degenerates with the DM particle. Exact evaluations of cosmological thickness criteria and Hubble continuous give a thorough understanding of our world. Utilizing 3 independent H(Z) Measurements at a time, we address for 3 fundamental cosmological density criteria and duplicate the procedure for all feasible combinations of 3 measurements of Hubble specifications. The NMSSM gives an outstanding dark matter candidate, generally, the lightest neutralino being the lightest supersymmetric particle, in the cosmos. The dark matter halo sparsity, i. E. The ratio in between round halo masses enclosing two various overdensities, gives a non-parametric proxy of the halo mass circulation which has been revealed to be a delicate probe of the cosmological imprint encoded in the mass profile of haloes hosting galaxy collections. Flexible self-scatterings do not alter the variety of dark matter bits and thus have been neglected in the calculation of its relic wealth. Remarkably, when the calculation is carried out at the level of dark matter energy circulation function, we find that the shot of extra energised dark matter particles onto the thermal population can bring about a decrease of its last relic wealth. We study the evolution of separated self-interacting dark matter halos utilizing spherically-symmetric gravothermal formulas permitting for the scattering sample to be velocity dependent. When the central thickness is minimal, we show exactly how this timescale depends on the halo parameters and an ordinary cross section calculated at the central velocity diffusion.

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OSTI GOV — summary generated by Brevi Assistant

The SuperCDMS Collaboration is presently developing SuperCDMS SNOLAB, a dark matter search concentrated on nucleon-coupled dark matter in the 1–5 GeV mass range. Aiming to the future, the Collaboration has developed a set of experience-based upgrade circumstances, as well as novel directions, to expand the search for dark matter making use of the SuperCDMS technology in the SNOLAB facility. The theoretical axion particle is a prominent prospect for dark matter. Many experiments search for axions with microwave dental caries, where an axion may transform into a cavity photon, leading to a weak extra in the outcome power of the cavity. We present a summary of future potential customers for direct discovery of dark matter within the GeV/c2 to TeV/c2 mass variety. A survey of dark matter candidates anticipated to drop within this mass array demonstrates that totally examining several well-motivated theo-ries will require broadening the currently-funded generation of experiments down to and past the neutrino fog. The non-linear process of planetary framework development generates gravitationally bound overdensities of dark matter referred to as halos. Thus, macroscopic dimensions of dark matter halos supply a unique chance to establish the underlying properties of dark matter across the huge landscape of dark matter concepts. We detail the unique opportunities and challenges in the search for ultraheavy dark matter prospects with masses between roughly 10 TeV and the Planck range m_pl ≈10¹⁶ TeV. We emphasize that both current detectors and new, targeted search strategies, via both indirect and direct discovery, are poised to contribute to looking for ultraheavy particle dark matter in the coming decade. Developing the Vera C. Rubin Observatory is a flagship dark matter experiment, is an essential path towards comprehending the physical nature of dark matter. Studies of dark matter with Rubin LSST will guide the design of, and verify the arise of various other dark matter experiments.

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Arxiv — summary generated by Brevi Assistant

We studied a lepton portal dark matter model, motivated by the discrepancy of the W boson mass reported by the CDF partnership. Besides, the disparity in the muon strange magnetic moments and the DM density can concurrently be clarified by this setup, if the vector-like lepton is lighter than 200 GeV and virtually degenerates with the DM particle. Exact estimates of cosmological density parameters and Hubble continuous give a detailed understanding of our universe. The NMSSM supplies an excellent dark matter candidate, typically, the lightest neutralino being the lightest supersymmetric bit, in deep space. We have discovered that the LSP dark matter is a singlino-dominated neutralino for a lot of the sample points of the picked situation. The dark matter halo sparsity, i. E. The ratio between spherical halo masses enclosing 2 various overdensities, gives a non-parametric proxy of the halo mass circulation which has been shown to be a sensitive probe of the cosmological imprint inscribed in the mass account of haloes hosting galaxy clusters. In certain, from a probability evaluation of synthetic ordinary sparsity information, we reveal that cosmological criterion restrictions significantly boost when raising the variety of sparsity combinations, though the restraints saturate past four sparsity quotes. Elastic self-scatterings do not change the number of dark matter particles and thus have been ignored in the calculation of its relic wealth. Remarkably, when the calculation is done at the level of dark matter momentum circulation function, we discover that the shot of additional energetic dark matter fragments onto the thermal population can bring about a decrease of its final relic wealth. We examine the advancement of isolated self-interacting dark matter halos using spherically-symmetric gravothermal formulas enabling the scattering random sample to be speed dependent. We show exactly how this timescale relies on the halo parameters and an average cross section calculated at the central velocity dispersion when the central density is minimum.

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DOAJ — summary generated by Brevi Assistant

Abstract We present the DMSimpt model execution in FeynRules, which intends to use an one-of-akind basic framework enabling all simulations relevant for simplified t-channel dark matter models at colliders and for the corresponding cosmology calculations. We describe just how to match next-to-leading-order QCD fixed-order calculations with parton showers to obtain robust bounds and predictions in the context of LHC dark matter searches, and furthermore verify two model limitations to exhibit how to evaluate dark matter observables to constrain the model parameter space. Numerous operate in the last couple of years dedicated to measuring essential probes of modern cosmology have recommended the presence of a delocalized dominant part, in enhancement to the several-decade-old evidence for dark matter aside from regular baryons, both presuming the description of gravity to be appropriate. Abstract The Weakly Interacting Massive Particle has been one of the most appealing candidates for Dark Matter, and the lightest neutralino in the Next-to-Minimal Supersymmetric Standard Model is an intriguing awareness of the WIMP framework. Abstract We explore the non-relativistic reduction of simplified models for spin 1 dark matter with the aim of identifying features in the phenomenology of DM-quark interactions which are specific to vector DM. Ultimately, overlooking the contribution to DM straight discovery signals from the new operators leads to imprecise verdicts when examining the compatibility of a future direct detection signal with CMB constraints on the DM relic thickness, specifically when the number of signal events is small, e. G. O 𝒪 The minimum decline is accountable for the development of dark matter bubbles in a black hole, while the variation in the thickness of dark matter enables these bubbles to leave the event horizon. Some speculative proof sustains the dark matter production model in the inner vicinity of the border of a black hole. Abstract Near a vital worth of the wino mass where there is a zero-energy S-wave vibration at the neutral-wino-pair threshold, low-energy alcoholics can be described by a zero-range reliable field concept in which the winos communicate nonperturbatively through a call interaction and through Coulomb interactions.

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