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SUMMARY:Dark Matter in an Evanescent Three-Brane Randall-Sundrum Scenario
DTSTART;VALUE=DATE-TIME:20251120T094500Z
DTEND;VALUE=DATE-TIME:20251120T100000Z
DTSTAMP;VALUE=DATE-TIME:20260424T220024Z
UID:indico-contribution-28635@indico.ific.uv.es
DESCRIPTION:Speakers: Alejandro Muñoz Ovalle (IFIC(CSIC/UV))\nApart from 
 its gravitational interactions\, dark matter (DM) has remained so\nfar elu
 sive in laboratory searches. One possible explanation is that the relevant
  interactions\nto explain its relic abundance are mainly gravitational. In
  this work we consider an extra-\ndimensional Randall-Sundrum scenario wit
 h a TeV-PeV IR brane\, where the Standard\nModel is located\, and a GeV-Te
 V 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 t
 he IR brane is significantly smaller than that of the other two branes\, a
 nd therefore\nwe term it “evanescent”. In this setup\, the relic abund
 ance of DM arises from the freeze-\nout mechanism\, thanks to DM annihilat
 ions into radions and gravitons. Focusing on a\nscalar singlet DM candidat
 e\, we compute and apply current and future constraints from\ndirect\, ind
 irect and collider-based searches. Our findings demonstrate the viability 
 of this\nscenario and highlight its potential testability in upcoming expe
 riments. We also discuss\nthe possibility of inferring the number of brane
 s if the radion and several Kaluza-Klein\ngraviton resonances are detected
  at a future collider.\n\nhttps://indico.ific.uv.es/event/8035/contributio
 ns/28635/
LOCATION:
URL:https://indico.ific.uv.es/event/8035/contributions/28635/
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