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SUMMARY:Emily Duden (Brandeis University)\, "Search for BSM physics using 
 long-lived signatures in ATLAS"
DTSTART:20261008T190000Z
DTEND:20261008T210000Z
DTSTAMP:20261007T225000Z
UID:indico-event-33728@indico.bnl.gov
CONTACT:atishelma@bnl.gov
DESCRIPTION:Speakers: Emily Duden\n\nLong-lived particles (LLPs) are a pro
 mising signature to look for new physics. These particles can travel macro
 scopic distances within the detector before decaying\, producing displaced
  signatures capable of evading traditional searches. Recent developments i
 n ATLAS tracking and triggers make Run-3 (2022-2026) LLP searches particul
 arly promising. In this talk\, I will discuss two Run-3 LLP searches. The 
 first is a model-independent search for events featuring displaced vertice
 s (DVs) and displaced muons. This analysis\, published in March 2026\, imp
 roved limits on R-Parity Violating (RPV) SUSY scenarios by up to two order
 s of magnitude and was the first ATLAS or CMS exotics analysis to use 2024
  data. The second search explores a simple scalar extension to the Standar
 d Model\, where the Higgs decays to two long-lived displaced scalar partic
 les decaying to displaced jets. Finally\, I discuss the future of LLP trac
 king in ATLAS\, particularly with the new ATLAS Inner Tracker (ITk)\, whic
 h will make tracking possible in the High-Luminosity LHC.\n \nZoom link: 
 https://cern.zoom.us/j/66520085216?pwd=lvMRTyJSb7avB4TVDAt3pTIivm9ypf.1\n\
 nhttps://indico.bnl.gov/event/33728/
URL:https://indico.bnl.gov/event/33728/
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