Gauge singlet scalars as cold dark matter
WebMay 1, 2011 · @article{osti_21541649, title = {Two-singlet model for light cold dark matter}, author = {Abada, Abdessamad and Ghaffor, Djamal and Nasri, Salah}, … WebMar 19, 2024 · The dark matter may consist not of one elementary particle but of different species, each of them contributing a fraction of the observed dark matter density. A major theoretical difficulty with this scenario — dubbed multi-component dark matter — is to explain the stability of these distinct particles. Imposing a single ZN symmetry, which …
Gauge singlet scalars as cold dark matter
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WebMar 4, 2002 · We show that a gauge singlet scalar S, with a coupling to the Higgs doublet of the form lambda(S)S+SH+H and with the S mass entirely generated by the Higgs … WebFeb 24, 2024 · In the framework of U(1)XSSM, we study the Higgs mass and take the lightest CP-even sneutrino as a cold dark matter candidate. For the lightest CP-even sneutrino, the relic density and the cross section for dark matter scattering off nucleon are both researched. ... Gauge singlet scalars as cold dark matter, Phys. Rev. D 50 …
WebNov 14, 2024 · We build a model containing two scalar doublets and a scalar singlet with a specific discrete symmetry. After spontaneous symmetry breaking, the model has Standard Model-like phenomenology, as well as a hidden scalar sector which provides a viable dark matter candidate. We show that CP violation in the scalar sector occurs exclusively in … WebFeb 14, 2007 · In light of recent interest in minimal extensions of the Standard Model and gauge singlet scalar cold dark matter, we provide an arXiv preprint of the paper, published as Phys.Rev. D50 (1994) 3637, which presented the first detailed analysis of gauge singlet scalar cold dark matter.
WebIn light of recent interest in minimal extensions of the Standard Model and gauge singlet scalar cold dark matter, we provide an arXiv preprint of the paper, published as … WebSearch results for citedby:recid:1607216. Number of results: 440 ≪ < page 18 of 18 > ≫. Brief list Raw JSON
WebS 0.3 2 5 h 0.7 4 5, implying that such scalars are very weakly coupled to the standard model sector. DOI: 10.1103/PhysRevLett.88.091304 PACS numbers: 95.35.+d, 12.60.Fr, …
WebJan 11, 2024 · The present-day B -anomalies involving b → sμ+μ− or b → cτ− \overline {\nu} transitions can all be explained with the addition of a vector U1 leptoquark with a mass of {M}_ {U_1} ≳ 1. 8 TeV. In the scalar singlet dark matter model (SSDMM), the DM is a scalar S that couples to the Higgs via λhS S2 H 2. We update the fit to the data ... chengman breakfastWebSep 15, 1994 · Abstract. We consider a very simple extension of the standard model in which one or more gauge singlet scalars Si couples to the standard model via an … chengmao electronics tianjin co. ltdWebSep 15, 1994 · Gauge singlet scalars as cold dark matter. Gauge singlet scalars as cold dark matter. Gauge singlet scalars as cold dark matter Phys Rev D Part Fields. … cheng man ching tai chi formWebSep 4, 1997 · The Higgs boson may serve as a portal to new physics beyond the standard model (BSM), which is implied by the theoretical naturalness or experimental anomalies. This review aims to briefly survey some typical Higgs-related BSM models. First, for the theories to solve the hierarchy problem, the two exemplary theories, the low energy … flights from albany ny to jfk airporthttp://geomgrav.fi.ut.ee/inspire/search.php?sort=mostrecent&size=25&page=18&q=citedby%3Arecid%3A1607216 cheng mao precision sealing co. ltdWebSep 15, 1994 · The U.S. Department of Energy's Office of Scientific and Technical Information cheng marcWebgauge singlet complex scalars S i. These scalars, if stable, can in principle account for a density of CDM. Stability of the scalars can most simply be guaranteed if a continuous … chengmari tea company limited