Low-Data Investigation of Higgs Boson Discovery at the LHC

The Standard Model (SM) remains as a complete and effective tool for understanding fundamental particles and their interactions. There is only one particle that the model predicts that has not yet been discovered. The Higgs boson is required as part of the mechanism behind electroweak symmetry breaking, and explains how the weak vector bosons, as well as the charged quarks and leptons gain mass, proportional to their coupling to the Higgs field. The SM predicts many properties of the Higgs, but cannot give a precise value to its mass. Experiment and theoretical arguments have put limits on the Higgs mass to within 114.7 GeV/c2 < MH < 1000 GeV/c2. The Large Hadron Collider at CERN will provide access to a new energy regime that will offer many channels for a potential discovery of the Higgs. In the Compact Muon Solenoid (CMS) detector experiment, the “Golden mode” for Higgs discovery features decay to two Z0, with both Z0 decaying to leptonic final states. Full reconstruction analyses suffer from the need for a large data set. Here, an 2 attempt is made to explore analyses of Higgs decay kinematics that may be more sensitive to the Higgs signal, especially for a low-mass Higgs. Since CMS data does not yet exist, analysis of this process must rely on Monte Carlo generated events. The traditional analysis is to find a signal for the Higgs by fully reconstructing the two-Z0 mass. The analysis presented here will focus on H!Z0Z0 !!¯!!!¯!!, and will develop a kinematical signature for this production channel for Z0 detected from events collected in an integrated luminosity of 1 fb−1.