High Energy Physics - Phenomenology
[Submitted on 11 May 2023]
Title:Probing compressed mass spectra in the type-II seesaw model at the LHC
View PDFAbstract:Despite a great deal of effort in searching for the triplet-like Higgses in the type-II seesaw model, evidence for their production is yet to be found at the LHC. As such, one might be in the balance regarding this model's relevance at the electroweak scale. In this work, we peruse a scenario, akin to compressed mass spectra in Supersymmetry, which might have eluded the experimental searches thus far. We perform a multivariate analysis to distinguish signals with a pair of same-sign leptons with low invariant mass from the SM processes, including those accruing from fake leptons and electron charge misidentification, and find that a significant part of the hitherto unconstrained parameter space could be probed with the already collected Run 2 13 TeV LHC and future HL-LHC data.
Submission history
From: Saiyad Ashanujjaman [view email][v1] Thu, 11 May 2023 15:27:39 UTC (134 KB)
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