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| 001 | 477165 | ||
| 005 | 20230214113514.0 | ||
| 024 | 7 | _ | |a Fischer:2022rko |2 INSPIRETeX |
| 024 | 7 | _ | |a inspire:2077888 |2 inspire |
| 024 | 7 | _ | |a arXiv:2205.02243 |2 arXiv |
| 024 | 7 | _ | |a 10.3204/PUBDB-2022-01926 |2 datacite_doi |
| 037 | _ | _ | |a PUBDB-2022-01926 |
| 041 | _ | _ | |a English |
| 088 | _ | _ | |a DESY-22-072 |2 DESY |
| 088 | _ | _ | |a arXiv:2205.02243 |2 arXiv |
| 100 | 1 | _ | |a Fischer, Moritz S. |0 M.S.Fischer.2 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Cosmological simulations with rare and frequent dark matter self-interactions |
| 260 | _ | _ | |c 2022 |
| 336 | 7 | _ | |a Preprint |b preprint |m preprint |0 PUB:(DE-HGF)25 |s 1652183155_13616 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a WORKING_PAPER |2 ORCID |
| 336 | 7 | _ | |a Electronic Article |0 28 |2 EndNote |
| 336 | 7 | _ | |a preprint |2 DRIVER |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a Output Types/Working Paper |2 DataCite |
| 500 | _ | _ | |a 13 pages, 16 figures + appendices, submitted to MNRAS |
| 520 | _ | _ | |a Dark matter (DM) with self-interactions is a promising solution for the small-scale problems of the standard cosmological model. Here we perform the first cosmological simulation of frequent DM self-interactions, corresponding to small-angle DM scatterings. The focus of our analysis lies in finding and understanding differences to the traditionally assumed rare DM (large-angle) self scatterings. For this purpose, we compute the distribution of DM densities, the matter power spectrum, the two-point correlation function and the halo and subhalo mass functions. Furthermore, we investigate the density profiles of the DM haloes and their shapes. We find that overall large-angle and small-angle scatterings behave fairly similarly with a few exceptions. In particular, the number of satellites is considerably suppressed for frequent compared to rare self-interactions with the same cross-section. Overall we observe that while differences between the two cases may be difficult to establish using a single measure, the degeneracy may be broken through a combination of multiple ones. For instance, the combination of satellite counts with halo density or shape profiles could allow discriminating between rare and frequent self-interactions. As a by-product of our analysis, we provide - for the first time - upper limits on the cross-section for frequent self-interactions. |
| 536 | _ | _ | |a 611 - Fundamental Particles and Forces (POF4-611) |0 G:(DE-HGF)POF4-611 |c POF4-611 |f POF IV |x 0 |
| 536 | _ | _ | |a EXC 2121 - Das Quantisierte Universum (390833306) |0 G:(GEPRIS)390833306 |c 390833306 |f DFG EXC 2121 |x 1 |
| 588 | _ | _ | |a Dataset connected to INSPIRE |
| 650 | _ | 7 | |a dark matter, density |2 INSPIRE |
| 650 | _ | 7 | |a scattering, small-angle |2 INSPIRE |
| 650 | _ | 7 | |a dark matter, halo |2 INSPIRE |
| 650 | _ | 7 | |a matter, power spectrum |2 INSPIRE |
| 650 | _ | 7 | |a dark matter, scattering |2 INSPIRE |
| 650 | _ | 7 | |a halo, density |2 INSPIRE |
| 650 | _ | 7 | |a satellite |2 INSPIRE |
| 650 | _ | 7 | |a wide-angle |2 INSPIRE |
| 650 | _ | 7 | |a correlation function |2 INSPIRE |
| 650 | _ | 7 | |a suppression |2 INSPIRE |
| 650 | _ | 7 | |a cosmological model |2 INSPIRE |
| 693 | _ | _ | |0 EXP:(DE-MLZ)NOSPEC-20140101 |5 EXP:(DE-MLZ)NOSPEC-20140101 |e No specific instrument |x 0 |
| 700 | 1 | _ | |a Brüggen, Marcus |0 M.Brueggen.1 |b 1 |
| 700 | 1 | _ | |a Schmidt-Hoberg, Kai |0 P:(DE-H253)PIP1022003 |b 2 |
| 700 | 1 | _ | |a Dolag, Klaus |0 K.Dolag.1 |b 3 |
| 700 | 1 | _ | |a Kahlhoefer, Felix |b 4 |
| 700 | 1 | _ | |a Ragagnin, Antonio |0 A.Ragagnin.1 |b 5 |
| 700 | 1 | _ | |a Robertson, Andrew |0 A.Robertson.5 |b 6 |
| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/477165/files/HTML-Approval_of_scientific_publication.html |
| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/477165/files/PDF-Approval_of_scientific_publication.pdf |
| 856 | 4 | _ | |y OpenAccess |u https://bib-pubdb1.desy.de/record/477165/files/2205.02243v1.pdf |
| 856 | 4 | _ | |y OpenAccess |x pdfa |u https://bib-pubdb1.desy.de/record/477165/files/2205.02243v1.pdf?subformat=pdfa |
| 909 | C | O | |o oai:bib-pubdb1.desy.de:477165 |p openaire |p open_access |p VDB |p driver |p dnbdelivery |
| 910 | 1 | _ | |a Deutsches Elektronen-Synchrotron |0 I:(DE-588b)2008985-5 |k DESY |b 2 |6 P:(DE-H253)PIP1022003 |
| 913 | 1 | _ | |a DE-HGF |b Forschungsbereich Materie |l Matter and the Universe |1 G:(DE-HGF)POF4-610 |0 G:(DE-HGF)POF4-611 |3 G:(DE-HGF)POF4 |2 G:(DE-HGF)POF4-600 |4 G:(DE-HGF)POF |v Fundamental Particles and Forces |x 0 |
| 914 | 1 | _ | |y 2022 |
| 915 | _ | _ | |a OpenAccess |0 StatID:(DE-HGF)0510 |2 StatID |
| 915 | _ | _ | |a Creative Commons Attribution CC BY 4.0 |0 LIC:(DE-HGF)CCBY4 |2 HGFVOC |
| 915 | _ | _ | |a Published |0 StatID:(DE-HGF)0580 |2 StatID |
| 920 | 1 | _ | |0 I:(DE-H253)T-20120731 |k T |l Theorie-Gruppe |x 0 |
| 980 | _ | _ | |a preprint |
| 980 | _ | _ | |a VDB |
| 980 | _ | _ | |a UNRESTRICTED |
| 980 | _ | _ | |a I:(DE-H253)T-20120731 |
| 980 | 1 | _ | |a FullTexts |
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