Experiment:
LHC Run II
Highlights from Standard Model results
The Higgs boson properties measurements
Elementary Particle Physics:
theory and experiments
Prof. dr hab. Elżbieta Richter-Wąs
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Run II of LHC
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LHC Run II conditions
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The ATLAS detector
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Spectacular event
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High pile-up event
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ATLAS detector status
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ATLAS primary triggers
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Standard Model measurements
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Standard Model measurements
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Jet production
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Measurement of the W boson mass
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Top quark mass
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Top quark physics
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Top quark physics
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LHC Medium/Long-Term planning
The Higgs boson in the Standard Model
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The Higgs Boson at the LHC
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Local p 0
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Birth of a particle
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Higgs-like particle – 4 July 2012
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Higgs-like particle – 4 July 2012
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H-> gg: events signature
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Shower shapes and vertex reconstr.
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H-> gg: background rejection
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Event categorization
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Energy calibration and resolution
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The golden channel Z->ll
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Signal and background
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Selection
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Higgs like signal with 7 TeV and 8 TeV data
2013
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Mass measurement
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And since then …. (2013)
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And since then …
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Which Higgs boson we have discovered?
Nobel price for predicting Higgs particle
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2013
Entrance of the Higgs into PDG
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2013
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Higgs decays to fermions (2014)
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How we can recognize spin?
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Spin observables for H-> gg
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Fit metod for H-> gg
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Spin study with H-> gg
Spin study with H->4l
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Higgs boson decay width
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Higgs boson couplings
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What do we measure?
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What do we measure?
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What do we measure?
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Higgs boson decay channels
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Probe the production mode
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Probe the production mode
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Overall comparison of all couplings results
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Combination of two experiments
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The global signal strength
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Signal strength by production and decay mode
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Signal strength in V, F mediated
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Constrains on three-level Higgs couplings
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Concluding Higgs couplings measurements
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What do we know from Run I
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Run II : Higgs boson mass
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Run II : Higgs cross-section
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Run II : Higgs boson couplings to fermions
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Higgs boson couplings to top quarks
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Probing rare Higgs decays
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Overwiew of the LHC Higgs program
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Conclusions (Higgs Boson)
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