CERN Accelerating science

Article
Title Higgs Self-Coupling at the HL-LHC and HE-LHC
Author(s) Adhikary, Amit (Bangalore, Indian Inst. Sci.) ; Banerjee, Shankha (CERN) ; Barman, Rahool Kumar (Oklahoma State U.) ; Bhattacherjee, Biplob (Bangalore, Indian Inst. Sci.) ; Niyogi, Saurabh (Gokhale Coll., Calcutta)
Publication 2022
Number of pages 5
In: Springer Proc. Phys. 277 (2022) 27-31
In: 24th DAE-BRNS High Energy Physics Symposium, Jatni, India, 14 - 18 Dec 2020, pp.27-31
DOI 10.1007/978-981-19-2354-8_5
Subject category Particle Physics - Phenomenology
Accelerator/Facility, Experiment CERN HL LHC
Abstract The Higgs boson pair production has been studied in multifarious final states at the HL-LHC and HE-LHC. The optimisation for separating signal from the backgrounds are performed using cut-based and machine learning algorithms like BDT, XGBoost toolkit and DNN. The prospect of observing Higgs pair production is found to be bleak at the HL-LHC. In comparison, the HE-LHC will be sensitive for probing the Higgs boson self-coupling. We further study the consequences of modifying the Higgs boson self-coupling from its SM value.
Copyright/License publication: © 2022-2025 The Author(s)

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