New Physics in multi-Higgs boson final states
(2017) Journal of High Energy Physics — (2017)
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- Abstract
- We explore the potential for the discovery of the triple-Higgs signal in the 2b2l±4j+E/ decay channel at a 100 TeV hadron collider. We consider both the Standard Model and generic new-physics contributions, described by an effective Lagrangian that includes higher-dimensional operators. The selected subset of operators is motivated by composite-Higgs and Higgs-inflation models. In the Standard Model, we perform both a parton-level and a detector-level analysis. Although the parton-level results are encouraging, the detector-level results demonstrate that this mode will be really challenging. However, sizable contributions from new effective operators can largely increase the cross section and/or modify the kinematics of the Higgs bosons in the final state. Taking into account the projected constraints from single and double Higgs-boson production, we propose benchmark points in the new physics models for the measurement of the triple-Higgs boson final state for future collider projects.
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Citations
Kilian, W., Sun, S., Yan, Q.-S., Zhao, X., & Zhao, Z. (2017). New Physics in multi-Higgs boson final states. Journal of High Energy Physics. Accepted/in-press. https://doi.org/10.1007/JHEP06(2017)145 (Original work published 2017)