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SUMMARY:Dark Matter in an Evanescent Three-Brane Randall-Sundrum Scenario
DTSTART;VALUE=DATE-TIME:20250916T155500Z
DTEND;VALUE=DATE-TIME:20250916T155600Z
DTSTAMP;VALUE=DATE-TIME:20260905T021507Z
UID:indico-contribution-469@indico.ift.uam-csic.es
DESCRIPTION:Speakers: Alejandro Muñoz Ovalle (IFIC (CSIC/UV))\nApart from
  its gravitational interactions\, dark matter (DM) has remained so\nfar el
 usive in laboratory searches. One possible explanation is that the relevan
 t interactions\nto explain its relic abundance are mainly gravitational. I
 n this work we consider an extra-\ndimensional Randall-Sundrum scenario wi
 th a TeV-PeV IR brane\, where the Standard\nModel is located\, and a GeV-T
 eV deep IR (DIR) one\, where the DM lies. When the\ncurvatures of the bulk
  to the left and right of the IR brane are very similar\, the tension\nof 
 the IR brane is significantly smaller than that of the other two branes\, 
 and therefore\nwe term it “evanescent”. In this setup\, the relic abun
 dance of DM arises from the freeze-\nout mechanism\, thanks to DM annihila
 tions into radions and gravitons. Focusing on a\nscalar singlet DM candida
 te\, we compute and apply current and future constraints from\ndirect\, in
 direct and collider-based searches. Our findings demonstrate the viability
  of this\nscenario and highlight its potential testability in upcoming exp
 eriments. We also discuss\nthe possibility of inferring the number of bran
 es if the radion and several Kaluza-Klein\ngraviton resonances are detecte
 d at a future collider.\n\nhttps://indico.ift.uam-csic.es/event/29/contrib
 utions/469/
LOCATION:IFT UAM/CSIC
URL:https://indico.ift.uam-csic.es/event/29/contributions/469/
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