Higgs finder and mass estimater

TL;DR

This paper presents a method for discovering and estimating the mass of the Higgs boson at the LHC by analyzing decay correlations and kinematic distributions without full event reconstruction.

Contribution

It introduces a novel approach using decay correlations and kinematic estimators to identify Higgs signals and estimate its mass in dilepton decay channels at 7 TeV LHC.

Findings

Higgs mass can be estimated from the peak and width of the (mll) distribution.

Signal-background separation achieved using angular and kinematic variables.

Method effectively identifies Higgs signatures in dilepton decay channels.

Abstract

We exploit the spin and kinematic correlations in the decay of a scalar boson into a pair of real or virtual W-bosons, with both W-bosons decaying leptonically, for Higgs boson discovery at 7 TeV LHC energy with 10 fb-1 luminosity. Without reconstruction of the events, we obtain estimators of the higgs mass from the peak and width of the signal distribution in (mll). The separation of signal and background with other distributions, such as the azimuthal angle between two W decay planes, the rapidity difference between the two leptons, missing ET and the pT of leptons, are also prescribed. Our approach identifies the salient higgs to dilepton signatures that allow subtraction of the continuum W*W* background.