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SUMMARY:Séminaires doctorant.e.s
DTSTART:20260504T080000Z
DTEND:20260504T090000Z
DTSTAMP:20260507T210200Z
UID:indico-event-4329@lpsc-indico.in2p3.fr
DESCRIPTION:10h : Ilias Ourahou (Physique théorique)\n"Directional Detect
 ion of Dark Matter: WIMPs with MIMAC and Dark Photons with Dandelion"\nPre
 sentation in English\nAbstract :\nDirectional detection is a powerful stra
 tegy for isolating rare Dark Matter signals from overwhelming backgrounds.
  Among its current applications\, we can mention the search for meV-scale 
 Dark Photons with the Dandelion experiment\, as well as direct searches fo
 r GeV-scale Weakly Interacting Massive Particles (WIMPs) with the MIMAC de
 tector at the Modane Underground Laboratory (LSM).\nAlthough these experim
 ents target vastly different Dark Matter candidates and use distinct techn
 ologies—Kinetic Inductance Detectors (KIDs) for Dandelion and low-pressu
 re gaseous TPCs for MIMAC—they share a common fundamental approach. Both
  exploit the 'Dark Matter wind' induced by the Solar System's motion to un
 ambiguously discriminate the signal from the background. Consequently\, bo
 th require robust background mitigation strategies and advanced statistica
 l treatments.\nIn this presentation\, I will discuss my research activitie
 s on both experiments. I will detail the background noise modeling using P
 rincipal Component Analysis (PCA) developed for Dandelion\, as well as the
  use of Machine Learning techniques (Boosted Decision Trees) conducted wit
 hin MIMAC to extract competitive exclusion limits.\n \n\nhttps://lpsc-ind
 ico.in2p3.fr/event/4329/
LOCATION:Amphi
URL:https://lpsc-indico.in2p3.fr/event/4329/
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