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Gauge singlet scalars as cold dark matter

WebSep 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 … WebIn it is shown that it is possible to modify the standard theory by adding a scalar which possesses a discrete symmetry and to address the issue of the dark matter of the universe, within the frame work of singlet extended SM; the issue of dark matter has been studied in [6–13], while electroweak phase transition was studied in [14–23] and ...

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WebDec 10, 2024 · The simplest extension of the Standard Model by only one real singlet scalar can explain the observed dark matter relic density while giving simultaneously a strongly … WebSep 3, 2024 · Scenarios for multi-component scalar dark matter based on a single Z N (N ≥ 4) symmetry are simple and well-motivated. In this paper we investigate, for the first time, the phenomenology of the Z 5 model for two-component dark matter. This model, which can be seen as an extension of the well-known singlet scalar model, features two … blanched almonds sea salt https://catesconsulting.net

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WebOct 1, 1994 · To make the point concrete, we recall that among the simplest dark matter models is Standard Model extended by a singlet scalar field [3] [4] [5][6]. As this setup … WebMar 1, 2024 · J. McDonald, "Gauge singlet scalars as cold dark matter," Phys.Rev.D 50 (1994) 3637-3649, arXiv:hep-ph/0702143 [hep-ph]. The Real singlet scalar dark matter model Jan 2010 WebJul 10, 2024 · Searches for invisible decays of the Higgs boson are presented. The data collected with the CMS detector at the LHC correspond to integrated luminosities of 5.1, 19.7, and 2.3 fb(-1) at centre-of ... framework institute

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Gauge singlet scalars as cold dark matter

CiteSeerX — Gauge Singlet Scalars as Cold Dark Matter

WebAlthough gauge singlet scalars might account for cold dark matter, and more specif-ically for SIDM, it is necessary to explain how a critical density of gauge singlet scalars with the right properties could arise. The simplest and most natural way for a particle density to arise is by thermal generation. Therefore in the following we will ... WebJan 12, 2009 · [1] J. McDonald, Gauge singlet scalars as cold dark matter 1994 Phys. Rev. D 50 3637 [hep-ph/0702143] Crossref Preprint Google Scholar. J. McDonald, Thermally generated gauge singlet scalars as self-interacting dark matter 2002 Phys. Rev. Lett. 88 091304 [hep-ph/0106249]. Crossref Preprint PubMed Google Scholar. C.P. …

Gauge singlet scalars as cold dark matter

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WebWe consider a very simple extension of the standard model in which one or more gauge singlet scalars S i couples to the standard model via an interaction of the form λ S S ° i … WebDec 10, 2024 · The simplest extension of the Standard Model by only one real singlet scalar can explain the observed dark matter relic density while giving simultaneously a strongly first-order electroweak phase transition in the early universe. However, after imposing the invisible Higgs decay constraint from the LHC, the parameter space of the single scalar …

WebEnter the email address you signed up with and we'll email you a reset link. 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 …

WebEnter the email address you signed up with and we'll email you a reset link. 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.

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 …

WebMar 17, 1994 · In this case the singlet scalars are cosmologically stable and can naturally account for the cold dark matter in the Universe. ... (1994) 339-346 PHYSICS … framework in selenium tutorialWebJan 8, 2024 · [28] J. McDonald, Gauge singlet scalars as cold dark matter, Phys. Rev. D 50, 3637 (1994). ... both scalars contribute to the dark matter relic density, but only one of them takes part in the ... blanche d antignyWebIn 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 … blanched and roasted almondsWebFeb 15, 2011 · Title: The Real Gauge Singlet Scalar Extension of Standard Model: A Possible Candidate of Cold Dark Matter Authors: Anirban Biswas , Debasish Majumdar … framework installation errorWebSep 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. … framework install windows 10WebJun 16, 2024 · We revisit the two real singlet extension of the Standard Model with a \( {Z}_2\times {Z}_2^{\prime } \) symmetry. One of the singlet scalars S 2, by virtue of an … blanched arvihttp://geomgrav.fi.ut.ee/inspire/search.php?sort=mostrecent&size=25&page=18&q=citedby%3Arecid%3A1607216 blanche darrow