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27 November 2023 to 2 December 2023
Asia/Shanghai timezone

Semi-leptonic ttbar & ttH reconstruction using Symmetry Preserving Attention Networks at the LHC

30 Nov 2023, 11:40
15m
A214 (Main Building)

A214

Main Building

Parallel session Precision & Yukawas Parallel: Precision & Yukawas

Speaker

Prof. Hideki Okawa (高能所)

Description

The reconstruction of hadronically decaying particles such as top quarks and Higgs bosons from their decay components is a complex problem which limits the sensitivity of many analyses including Higgs boson measurements and BSM searches. A novel approach to this problem, utilizing Symmetry Preserving Attention Networks (SPANet), has been previously studied for all-hadronic $t\bar{t}$ decays. In this talk, we present new features implemented in the algorithm as well as its extended application to semi-leptonic final states. Its potential impact on $ttH(\rightarrow b\bar{b}$) and $t\bar{t}$-related analyses will be shown.

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Primary authors

Alexander Shmakov (University of California, Irvine) Prof. Hideki Okawa (高能所) Daniel Whiteson (University of California, Irvine) Ko-Yang Hsiao (National Tsing Hua University) Michael James Fenton (University of California, Irvine) Pierre Baldi (University of California, Irvine) Shih-Chieh Hsu (University of Washington) Yuji Li (Fudan University)

Presentation materials