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SUMMARY:Pushing the precision frontier: measuring the Higgs Boson mass to 
 better than 100 MeV with CMS
DTSTART:20261110T100000Z
DTEND:20261110T110000Z
DTSTAMP:20261112T152500Z
UID:indico-event-1748475@indico.cern.ch
CONTACT:ep-seminars.colloquia@cern.ch
DESCRIPTION:Speakers: Badder Marzocchi (University of Minnesota (US))\n\nT
 he Higgs boson is a cornerstone of the Standard Model\, and increasingly p
 recise measurements of its properties provide stringent tests of our under
 standing of fundamental physics. In this seminar\, we will present the lat
 est CMS measurement of the Higgs boson mass\, combining the four-lepton an
 d diphoton decay channels using the full Run 2 proton–proton collision d
 ataset at a center-of-mass energy of 13 TeV. For the first time\, the meas
 urement achieves a precision better than 100 MeV\, marking a major milesto
 ne in the determination of the Higgs boson mass in these channels. This un
 precedented precision builds on the legacy calibrations of the Run 2 datas
 ets and is further enabled by advances in the calibration of the photon en
 ergy scale and muon momentum. The result represents a significant step for
 ward in precision Higgs physics\, providing a more precise determination o
 f a fundamental parameter of the Standard Model and an important input to 
 global studies of Higgs boson properties. Finally\, we will present an out
 look on the future prospects for this measurement\, highlighting the preci
 sion that could be achieved by the end of Run 3 and the full HL-LHC progra
 m.\n \n \nCoffee will be served at 10h30\n \n\nhttps://indico.cern.ch/e
 vent/1748475/\n\nZoom: https://cern.zoom.us/j/69227271321?pwd=08f5icaPpaN7
 WVEutkA0ja02zbJKk3.1
LOCATION:222/R-001 (CERN)
URL:https://indico.cern.ch/event/1748475/
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