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SUMMARY:Rethinking data-taking at the LHC: Specialized data streams from R
 un 1 to 3 and beyond [ATLAS\, CMS]
DTSTART:20260528T090000Z
DTEND:20260528T110000Z
DTSTAMP:20260627T003600Z
UID:indico-event-1656827@indico.cern.ch
DESCRIPTION:Speakers: Falk Bartels (Heidelberg University (DE))\, Elisa Fo
 ntanesi (CERN)\n\nRethinking data-taking at the LHC: specialized data stre
 ams from Run 1 to Run 3 and beyond\nAbstractSpecialized data-taking and pr
 ocessing techniques are redefining how ATLAS and CMS explore LHC data\, ex
 tending their physics reach far beyond the original design limits of the d
 etectors. By reshaping how data is collected and analyzed\, these approach
 es are playing an increasingly important role both now and for future oper
 ations. They are particularly powerful for exploring new physics at the el
 ectroweak scale\, where potentially interesting signals can be hidden with
 in overwhelming backgrounds and stringent trigger constraints.Run 3 strate
 gies have significantly expanded the capabilities of the data acquisition 
 system\, building on techniques first introduced in Run 1 and further deve
 loped throughout Run 2. Approaches such as data scouting in CMS and trigge
 r-level analysis in ATLAS\, as well as data parking in CMS and delayed-str
 eam processing in ATLAS\, allow experiments to record more events by reduc
 ing event information or deferring full processing when needed. This has o
 pened sensitivity to a wide range of signatures\, including low-mass reson
 ances\, B-physics\, vector-boson fusion processes\, long-lived particles\,
  and Higgs boson pair production\, while also enabling new approaches such
  as anomaly detection.This seminar will review the development of these te
 chniques in ATLAS and CMS\, highlight representative physics results\, and
  discuss how they open sensitivity to previously unexplored signatures\, w
 ith an outlook on their future potential to further broaden the physics re
 ach of the LHC experiments.\nSpeakers\nElisa Fontanesi is a Research Fello
 w at CERN. Her research focuses on searches for new physics in low-mass re
 gimes within the CMS experiment\, with particular emphasis on exotic signa
 tures such as dimuon\, diphoton\, and dijet resonances throughout Run 2 an
 d Run 3 data sets. She has played a leading role in developing and analyzi
 ng scouting data techniques for Run 3\, coordinating efforts that combine 
 trigger innovation with advanced analysis strategies to probe challenging 
 new-physics signatures. Her work is strongly centered on the CMS trigger s
 ystem\, where she has contributed extensively to both the Level-1 and High
 -Level Trigger during Run 3\, and is currently involved in developments fo
 r the Phase-2 upgrade of the Level-1 trigger.\n \nFalk Bartels is a Resea
 rch Fellow at CERN and a member of the ATLAS collaboration. He received hi
 s PhD in 2024 from Heidelberg University\, performing a trigger-level sear
 ch for low-mass dijet resonances in ATLAS. His research focuses on searche
 s for resonances or Dark Matter involving jet signatures. He is currently 
 contributing to the development of the Phase-2 upgrade of the ATLAS data a
 cquisition system.\n\nhttps://indico.cern.ch/event/1656827/
LOCATION:4/2-011 - TH common room (CERN)
URL:https://indico.cern.ch/event/1656827/
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