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Light gravitino dark matter: LHC searches and the Hubble tension

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dc.contributor.authorGu, Y. C.
dc.contributor.authorKhlopov, M.
dc.contributor.authorWu, L.
dc.contributor.authorYang, J. M.
dc.contributor.authorХлопов, Максим Юрьевич
dc.date.accessioned2024-11-27T10:38:03Z
dc.date.available2024-11-27T10:38:03Z
dc.date.issued2020
dc.description.abstractThe recent measurements of the cosmological parameter H-0 from the direct local observations and the inferred value from the cosmic microwave background show approximately 4 sigma discrepancy. This may indicate new physics beyond the standard ACDM. We investigate the keV gravitino dark matter that has a small fraction of nonthermal components (e.g., from the late decay of next-to-lightest-supersymmetric-particle bino) under various cosmological constraints. We find such a scenario is highly predictive and can be tested by searching for the dilepton plus missing energy events at the LHC. Besides, we also discuss its implication for Hubble tension, which can be reduced to 3 sigma level marginally.
dc.identifier.citationLight gravitino dark matter: LHC searches and the Hubble tension / Gu, YC [et al.] // Physical Review D. - 2020. - 102. - № 11. - 10.1103/PhysRevD.102.115005
dc.identifier.doi10.1103/PhysRevD.102.115005
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevD.102.115005
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85099925186&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000594994400012
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22679
dc.relation.ispartofPhysical Review D
dc.titleLight gravitino dark matter: LHC searches and the Hubble tension
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue11
oaire.citation.volume102
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