Monte Carlo comparisons in W channel Kristina Krylova Univerisity - PowerPoint PPT Presentation

Mar 17, 2024 •106 likes •248 views

Monte Carlo com- parisons in W channel Kristina Krylova Monte Carlo comparisons in W channel Kristina Krylova Univerisity of Michigan REU at CERN July 19, 2012 Overview Monte Carlo com- parisons in W channel Anomalous

Monte Carlo com- parisons in W γγ channel Kristina Krylova Monte Carlo comparisons in W γγ channel Kristina Krylova Univerisity of Michigan REU at CERN July 19, 2012
Overview Monte Carlo com- parisons in W γγ channel Anomalous quartic couplings with ATLAS detector Kristina W γγ channel with W decaying leptonically Krylova
Recent Work Monte Carlo com- Work with Monte Carlo comparisons to get a feel for parisons in W γγ the process at matrix element level and at detector channel reconstruction level Kristina Krylova Looked at some basic kinematic variables like p T , ∆ R and mass VFBNLO used as a theory MC to understand NLO predictions AlpGen and Sherpa, both LO, but with parton showers and hadronizations to simulate the detector Comparison of AlpGen zero jets, one jet and two jets with each other Comparison of AlpGen up to 2 jets with Sherpa up to 2 jets
p T of electron in GeV Monte Carlo com- parisons in W γγ channel Kristina Krylova
Highest p T γ in GeV Monte Carlo com- parisons in W γγ channel Kristina Krylova
Second Highest p T γ in GeV Monte Carlo com- parisons in W γγ channel Kristina Krylova
Transverse mass of the W in GeV Monte Carlo com- parisons in W γγ channel Kristina Krylova
Mass of the two photons in GeV Monte Carlo com- parisons in W γγ channel Kristina Krylova
∆R between electron and γ 1 Monte Carlo com- parisons in W γγ channel Kristina Krylova
∆R between electron and γ 2 Monte Carlo com- parisons in W γγ channel Kristina Krylova
∆R between the two γ Monte Carlo com- parisons in W γγ channel Kristina Krylova
Next Steps Monte Carlo com- parisons in W γγ channel Kristina Krylova Cut flow for AlpGen and Sherpa Optimize cuts for VBFNLO Compare VBFNLO to AlpGen and Sherpa at the truth level (without detector simulation) Start looking at 2011 data
Adventures Monte Carlo com- parisons in W γγ channel Kristina Krylova Lake Annecy Bern Z¨ urich Geneva Botanical Gardens

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