Journal
PHYSICAL REVIEW D
Volume 106, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.106.095015
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Funding
- MoST [MoST-110-2112-M-007-017-MY3]
- National Science Foundation [2110963]
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This paper investigates the production of Higgs boson pairs in the electroweak symmetry breaking sector. The machine learning approach used in this study significantly improves signal-background discrimination and enhances the sensitivity coverage of the parameter space. The results demonstrate that the processes of gg-hh-bb\¯bb¯ can probe the parameter space allowed by HIGGSSIGNALS and HIGGSBOUNDS at the HL-LHC.
Higgs boson pair production is a well-known probe of the structure of the electroweak symmetry breaking sector. We illustrate this using the gluon-fusion processes pp -H -hh -(bb over bar )(bb over bar ) in the framework of two-Higgs-doublet models and show how a machine learning approach (three-stream convolutional neural network) can substantially improve the signal-background discrimination and thus improve the sensitivity coverage of the relevant parameter space. We further show that such gg -hh -bb over bar bb over bar processes can probe the parameter space currently allowed by HIGGSSIGNALS and HIGGSBOUNDS at the HL-LHC. Results are presented for 2HDM types I through IV.
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