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SUMMARY: Hints of Dark Matter at the LHC in Electroweak SUSY final states?
  - Alessandro Ruggiero (University of Oxford)
DTSTART:20260203T110000Z
DTEND:20260203T120000Z
UID:TALK241885@talks.cam.ac.uk
CONTACT:Dr Paul Swallow
DESCRIPTION:The search for dark matter remains one of the central open que
 stions in high-energy physics and a key objective of the LHC program. Supe
 rsymmetry continues to serve as a benchmark theoretical framework\, offeri
 ng well-motivated dark matter candidates alongside a spectrum of new parti
 cles. In this talk\, I will review a series of excesses reported in ATLAS 
 and CMS analyses targeting electroweak supersymmetry in the Run 2 dataset.
  While the individual deviations each have a significance of around two st
 andard deviations\, taken together they form an intriguing pattern that me
 rits further investigation.\n\nI will use work I have carried out as a cas
 e study\, where we probed slepton models in the compressed regime where th
 e mass difference between the slepton and the lightest neutralino is small
 . These models\, compatible with dark matter density constraints\, remain 
 largely unexplored since the LEP era and provide a compelling target for i
 nvestigation. I will then place the results of this analysis within a broa
 der context by discussing complementary excesses across ATLAS and CMS. Fin
 ally\, I will argue that\, as Run 3 draws to a close\, this collection of 
 anomalies represents some of the most promising opportunities to test for 
 new physics with this new dataset.
LOCATION:Ray Dolby Center -- Seminar Room: D2.002 
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