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https://hdl.handle.net/2440/117790
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dc.contributor.author | Herrero-Garcia, J. | - |
dc.contributor.author | Scaffidi, A. | - |
dc.contributor.author | White, M. | - |
dc.contributor.author | Williams, A.G. | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Journal of Cosmology and Astroparticle Physics, 2019; 2019(1):1-21 | - |
dc.identifier.issn | 1475-7516 | - |
dc.identifier.issn | 1475-7516 | - |
dc.identifier.uri | http://hdl.handle.net/2440/117790 | - |
dc.description.abstract | Recently we studied the direct detection of multi-component dark matter with arbitrary local energy densities. Although the generation of the dark matter relic abundance is model-dependent, and in principle could be only indirectly related to direct detection, it is interesting to consider the implications of the former on the latter. In this work we conduct an extended analysis to include constraints from two natural scenarios of dark matter genesis: asymmetric dark matter and thermal freeze-out. In the first (second) case, the dark matter number (energy) densities of the different components are expected to be similar. In the case of thermal freeze-out, we assume that the global energy density scales with the local one. In our numerical analysis we analyse the median sensitivity of direct detection experiments to discriminate a two-component scenario from a one-component one, and also the precision with which dark matter parameters can be extracted. We analyse these generic scenarios for both light and heavy mediators. We find that most scenarios have a relatively suppressed maximum median sensitivity compared to the previously studied general cases. We also find that the asymmetric scenario is more promising than the thermal freeze-out one. | - |
dc.description.statementofresponsibility | Juan Herrero-Garcia, Andre Scaffadi, Martin White and Anthony G. Williams | - |
dc.language.iso | en | - |
dc.publisher | IOP Publishing | - |
dc.rights | © 2019 IOP Publishing Ltd and Sissa Medialab | - |
dc.source.uri | http://dx.doi.org/10.1088/1475-7516/2019/01/008 | - |
dc.subject | Dark matter experiments; dark matter theory; dark matter detectors; dark matter simulations | - |
dc.title | On the direct detection of multi-component dark matter: implications of the relic abundance | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1088/1475-7516/2019/01/008 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/CE1101004 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/FT140100244 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Herrero-Garcia, J. [0000-0002-3300-0029] | - |
dc.identifier.orcid | Scaffidi, A. [0000-0002-1203-6452] | - |
dc.identifier.orcid | White, M. [0000-0001-5474-4580] | - |
dc.identifier.orcid | Williams, A.G. [0000-0002-1472-1592] | - |
Appears in Collections: | Aurora harvest 8 Physics publications |
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