Evidence for Standard Model Higgs boson like particle in H->ZZ->4 leptons decay channel with CMS detector

Rough contents:

Introduction to SM EWK symetry braking and Higgs boson

Standard model and EWK SB

Theoretical and experimental constraints on Higgs boson mass (before 2011)

SM Higgs boson at LHC

Production

Decays

CMS detector overview

Purpose and general requirements

Tracker

ECAL

HCAL

Muon system

Electron isolation measurements

isolation in general

types of isolation

detector based

particle isolation

removing electron footprint

Tag and probe efficiency

Dependence on pile-up

Search for Standard model Higgs boson in H->ZZ->4 leptons decay channel with 2011 baseline analysis

signal topology

datasets - MC and data

signal selection (2011)

triggers

offline selection

skimming

steps (validation plots for each step)

control of background from data

reducible

ireducible

systematic uncertanties

theoretical

experimental

results on 2011 data

exclusion regions

p-values and LEE

improvenments of 2011 baseline analysis in 2012

MVA electron ID

pt > 5 for electrons

isolation with particles

Statistical analysis

Conclusions