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SUMMARY:Probing 2HDM+S with MeerKAT Galaxy Cluster Legacy Survey data
DTSTART;VALUE=DATE-TIME:20220322T151500Z
DTEND;VALUE=DATE-TIME:20220322T153000Z
DTSTAMP;VALUE=DATE-TIME:20260611T010433Z
UID:indico-contribution-2212@indico.tlabs.ac.za
DESCRIPTION:Speakers: Natasha Lavis (University of the Witwatersrand)\nDar
 k matter is believed to constitute the majority of the matter content of t
 he universe\, but virtually nothing is known about its nature. Physical pr
 operties of a candidate particle can be probed via indirect detection by o
 bserving the decay and/or annihilation products. While this has previously
  been done primarily through gamma-ray studies\, the increased sensitivity
  of new radio interferometers means that searches via the radio bandwidth 
 are the new frontrunners. MeerKAT's high sensitivity\, ranging from 3 $\\m
 u$Jy beam$^{-1} $ for an 8 arcsecond beam to 10 $\\mu$Jy beam$^{-1} $ for 
 an 15 arcsecond beam\, make it a prime candidate for radio dark matter sea
 rches. Using MeerKAT Galaxy Cluster Legacy Survey (MGCLS) data to obtain d
 iffuse synchrotron emission within galaxy clusters\, we are able to probe 
 the properties of a dark matter model. In this work we consider both gener
 ic WIMP annihilation channels as well as the 2HDM+S model. The latter was 
 developed to explain various anomalies observed in Large Hadron Collider (
 LHC) data from runs 1 and 2. The use of public MeerKAT data allows us to p
 resent the first WIMP dark matter constraints produced using this instrume
 nt.\n\nhttps://indico.tlabs.ac.za/event/109/contributions/2212/
LOCATION:
URL:https://indico.tlabs.ac.za/event/109/contributions/2212/
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