Matches in SemOpenAlex for { <https://semopenalex.org/work/W2924394499> ?p ?o ?g. }
Showing items 1 to 95 of
95
with 100 items per page.
- W2924394499 abstract "Heat transfer between baryons and millicharged dark matter has been invoked as a possible explanation for the anomalous 21-cm absorption signal seen by EDGES. Prior work has shown that the solution requires that millicharged particles make up only a fraction $({m}_{ensuremath{chi}}/mathrm{MeV})0.0115%ensuremath{lesssim}fensuremath{lesssim}0.4%$ of the dark matter and that their mass ${m}_{ensuremath{chi}}$ and charge ${q}_{ensuremath{chi}}$ have values $0.1ensuremath{lesssim}({m}_{ensuremath{chi}}/mathrm{MeV})ensuremath{lesssim}10$ and ${10}^{ensuremath{-}6}ensuremath{lesssim}({q}_{ensuremath{chi}}/e)ensuremath{lesssim}{10}^{ensuremath{-}4}$. Here we show that such particles come into chemical equilibrium before recombination, and so are subject to a constraint on the effective number ${N}_{mathrm{eff}}$ of relativistic degrees of freedom, which we update using Planck 2018 data. We moreover determine the precise relic abundance $f$ that results for a given mass ${m}_{ensuremath{chi}}$ and charge ${q}_{ensuremath{chi}}$ and incorporate this abundance into the constraints on the millicharged-dark-matter solution to the EDGES signal. With these two results, the solution is ruled out if the relic abundance is set by freeze-out." @default.
- W2924394499 created "2019-04-01" @default.
- W2924394499 creator A5007261358 @default.
- W2924394499 creator A5011447076 @default.
- W2924394499 creator A5032705895 @default.
- W2924394499 creator A5035557169 @default.
- W2924394499 date "2019-07-19" @default.
- W2924394499 modified "2023-10-18" @default.
- W2924394499 title "Direct millicharged dark matter cannot explain the EDGES signal" @default.
- W2924394499 cites W1829284225 @default.
- W2924394499 cites W1906444126 @default.
- W2924394499 cites W1960968774 @default.
- W2924394499 cites W1963612147 @default.
- W2924394499 cites W1976799607 @default.
- W2924394499 cites W1988062414 @default.
- W2924394499 cites W1988675426 @default.
- W2924394499 cites W1999486700 @default.
- W2924394499 cites W2014716911 @default.
- W2924394499 cites W2020717147 @default.
- W2924394499 cites W2026828586 @default.
- W2924394499 cites W2063040461 @default.
- W2924394499 cites W2095476093 @default.
- W2924394499 cites W2102660738 @default.
- W2924394499 cites W2103442489 @default.
- W2924394499 cites W2114488751 @default.
- W2924394499 cites W2121091041 @default.
- W2924394499 cites W2548680460 @default.
- W2924394499 cites W2598933628 @default.
- W2924394499 cites W2749302997 @default.
- W2924394499 cites W2788168931 @default.
- W2924394499 cites W2788362179 @default.
- W2924394499 cites W2790161402 @default.
- W2924394499 cites W2790232391 @default.
- W2924394499 cites W2793836242 @default.
- W2924394499 cites W2794699012 @default.
- W2924394499 cites W2806147358 @default.
- W2924394499 cites W2886966274 @default.
- W2924394499 cites W2887780866 @default.
- W2924394499 cites W2899140785 @default.
- W2924394499 cites W3022949479 @default.
- W2924394499 cites W3100675786 @default.
- W2924394499 cites W3101194198 @default.
- W2924394499 cites W3103111661 @default.
- W2924394499 cites W3106442982 @default.
- W2924394499 cites W3123535017 @default.
- W2924394499 doi "https://doi.org/10.1103/physrevd.100.023528" @default.
- W2924394499 hasPublicationYear "2019" @default.
- W2924394499 type Work @default.
- W2924394499 sameAs 2924394499 @default.
- W2924394499 citedByCount "34" @default.
- W2924394499 countsByYear W29243944992019 @default.
- W2924394499 countsByYear W29243944992020 @default.
- W2924394499 countsByYear W29243944992021 @default.
- W2924394499 countsByYear W29243944992022 @default.
- W2924394499 countsByYear W29243944992023 @default.
- W2924394499 crossrefType "journal-article" @default.
- W2924394499 hasAuthorship W2924394499A5007261358 @default.
- W2924394499 hasAuthorship W2924394499A5011447076 @default.
- W2924394499 hasAuthorship W2924394499A5032705895 @default.
- W2924394499 hasAuthorship W2924394499A5035557169 @default.
- W2924394499 hasBestOaLocation W29243944992 @default.
- W2924394499 hasConcept C109214941 @default.
- W2924394499 hasConcept C121332964 @default.
- W2924394499 hasConcept C154153549 @default.
- W2924394499 hasConcept C159249277 @default.
- W2924394499 hasConcept C188082385 @default.
- W2924394499 hasConceptScore W2924394499C109214941 @default.
- W2924394499 hasConceptScore W2924394499C121332964 @default.
- W2924394499 hasConceptScore W2924394499C154153549 @default.
- W2924394499 hasConceptScore W2924394499C159249277 @default.
- W2924394499 hasConceptScore W2924394499C188082385 @default.
- W2924394499 hasFunder F4320306076 @default.
- W2924394499 hasFunder F4320306101 @default.
- W2924394499 hasFunder F4320306137 @default.
- W2924394499 hasFunder F4320306164 @default.
- W2924394499 hasIssue "2" @default.
- W2924394499 hasLocation W29243944991 @default.
- W2924394499 hasLocation W29243944992 @default.
- W2924394499 hasOpenAccess W2924394499 @default.
- W2924394499 hasPrimaryLocation W29243944991 @default.
- W2924394499 hasRelatedWork W1441990740 @default.
- W2924394499 hasRelatedWork W2008781123 @default.
- W2924394499 hasRelatedWork W2061241278 @default.
- W2924394499 hasRelatedWork W2087299285 @default.
- W2924394499 hasRelatedWork W2769395730 @default.
- W2924394499 hasRelatedWork W3006016383 @default.
- W2924394499 hasRelatedWork W3082809333 @default.
- W2924394499 hasRelatedWork W3100137960 @default.
- W2924394499 hasRelatedWork W3105956439 @default.
- W2924394499 hasRelatedWork W3106484937 @default.
- W2924394499 hasVolume "100" @default.
- W2924394499 isParatext "false" @default.
- W2924394499 isRetracted "false" @default.
- W2924394499 magId "2924394499" @default.
- W2924394499 workType "article" @default.