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Differential $e\mu bb $ Cross-Sections and New Higgses at the Electroweak Scale

Author:
Sumit Banik, Guglielmo Coloretti, Andreas Crivellin, Bruce Mellado
Keyword:
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph)
journal:
PSI-PR-23-45, ICPP-75
date:
2023-12-03 00:00:00
Abstract
ATLAS found that none of their Standard Model simulations can describe the measured differential lepton distributions in their $t \bar{t}$ analysis reasonably well. Therefore, we study the possibility that this measurement has a new physics contamination. We consider a benchmark model motivated by the indications for di-photon resonances: A heavy scalar decays into two lighter Higgs bosons with masses of 152\,GeV and 95\,GeV, with subsequent decay to $WW$ and $bb$, respectively. In this setup, the description of data is improved by at least $5.6 \sigma$.
PDF: Differential $e\mu bb $ Cross-Sections and New Higgses at the Electroweak Scale.pdf
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