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SUMMARY:Hidden sector monopole\, vector dark matter and dark radiation wit
 h Higgs portal
DTSTART;VALUE=DATE-TIME:20140402T130000Z
DTEND;VALUE=DATE-TIME:20140402T133000Z
DTSTAMP;VALUE=DATE-TIME:20261015T221417Z
UID:indico-event-2117@indico.ific.uv.es
DESCRIPTION:We show that the ’t Hooft-Polyakov monopole model in the hid
 den sector with Higgs portal interaction makes a viable DM model\, where m
 onopole and massive vector dark matter (VDM) are stable due to topological
  conservation and the unbroken subgroup U(1)X. We show that monopole relic
  density is diluted enough whereas VDM can be thermalized by the Higgs por
 tal interaction\, and direct detection experiments can probe some region o
 f parameter space. The proposed XENON1T experiment may detect the VDM if i
 ts mass is less than 60 GeV. In addition\, the dark photon associated with
  unbroken U(1)X contributes to the radiation energy density at present\, g
 iving N_{eff}~0.1 as the extra relativistic neutrino species.\n\nhttps://i
 ndico.ific.uv.es/event/2117/
LOCATION:Campus Burjassot 4-4-4426 - Seminari Física Teòrica
URL:https://indico.ific.uv.es/event/2117/
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