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SUMMARY:Boosting the Higgs boson into unexplored territory with ATLAS
DTSTART:20260616T090000Z
DTEND:20260616T100000Z
DTSTAMP:20260727T055000Z
UID:indico-event-1696833@indico.cern.ch
CONTACT:ep-seminars.colloquia@cern.ch
DESCRIPTION:Speakers: Antonio De Maria (Nanjing University (CN))\n\nThe di
 scovery of the Higgs boson and the combination of measurements across its 
 various production and decay modes have enabled an increasingly precise ch
 aracterization of its properties. Yet\, important opportunities remain to 
 probe physics beyond the Standard Model through deviations in Higgs boson 
 production rates and kinematic distributions\, particularly in the high-tr
 ansverse-momentum (boosted) regime. Especially sensitive to potential new 
 interactions\, this region remains largely unexplored due to the rapidly f
 alling Higgs boson production cross-section and the resulting need for lar
 ge integrated luminosities. It also poses significant experimental challen
 ges\, as the Higgs boson decay products become highly collimated\, requiri
 ng dedicated reconstruction techniques.\n \nThis seminar will present two
  new ATLAS measurements of Higgs boson production with transverse momentum
  above 300 GeV in the H→bb and H→ττ decay channels. The analyses exp
 loit the full Run 2 dataset together with a partial Run 3 dataset\, corres
 ponding to an integrated luminosity of approximately 300 fb⁻¹. They als
 o exploit advanced machine-learning techniques that are essential for the 
 reconstruction and identification of Higgs bosons in this challenging kine
 matic regime. These results provide some of the most sensitive probes to d
 ate of Higgs boson production in the boosted regime and the search for phy
 sics beyond the Standard Model.\n \n \nCoffee will be served at 10h30\n
  \n\nhttps://indico.cern.ch/event/1696833/\n\nZoom: https://cern.zoom.us/
 j/61420889354?pwd=or1r9IbpdsKyKqjgoihUyMBpLCEayc.1
LOCATION:222/R-001 (CERN)
URL:https://indico.cern.ch/event/1696833/
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