17–30 Mar 2022
US
US/Central timezone

Search for Higgs Boson Pair Production in the Multi-lepton Final State Using Proton-Proton Collision Data at $\sqrt{s} =13$ TeV from the ATLAS Detector

17 Mar 2022, 13:00
20m
US

US

Oral presentation Higgs

Speaker

Santosh Parajuli (Southern Methodist University (US))

Description

This talk will present a search strategy for Higgs boson pair-production in final states with three electrons or muons. The analysis is performed using an integrated luminosity of 139 fb$^{-1}$ of $pp$ collision at $\sqrt{s}= 13$ TeV collected by the ATLAS detector at the LHC. There are many decay modes of Higgs boson pairs that have low branching ratios, and many of these are not covered by dedicated analyses. Some example modes of particular interest for a three lepton final state are WWWW, WW$\tau \tau$, $\tau \tau \tau \tau$, etc. This talk presents the development of a multivariate strategy (boosted decision trees) and current work on background estimation methods and statistical analysis.

Career stage Graduate student

Author

Santosh Parajuli (Southern Methodist University (US))

Presentation materials