# Lepton Selection for the Doubly Charged Higgs

## Session Number

Project ID: PHYS 01

## Advisor(s)

Dr. Peter Dong, Illinois Mathematics and Science Academy

## Discipline

Physical Science

## Start Date

20-4-2022 8:50 AM

## End Date

20-4-2022 9:05 AM

## Abstract

The decay of the doubly charged Higgs is as follows: two quarks annihilate into a Z boson, which pair produces an H++ and H--, which both then decay into 4 final state leptons. We attempt to find more precise cuts to eliminate the most significant backgrounds – Drell-Yan, ZZ, ttbar, and QCD. We also calculate the significance. By predicting better pT (transverse momentum) cuts on the backgrounds for the different 4 leading lepton states, we maximize the significance, which makes the signal identification easier.

Lepton Selection for the Doubly Charged Higgs

The decay of the doubly charged Higgs is as follows: two quarks annihilate into a Z boson, which pair produces an H++ and H--, which both then decay into 4 final state leptons. We attempt to find more precise cuts to eliminate the most significant backgrounds – Drell-Yan, ZZ, ttbar, and QCD. We also calculate the significance. By predicting better pT (transverse momentum) cuts on the backgrounds for the different 4 leading lepton states, we maximize the significance, which makes the signal identification easier.