Boosted Analysis of Higgs Pair Production in the bbτ + τ − Lephad Final State
| dc.contributor.advisor | Torrence, Eric | |
| dc.contributor.author | Luongo, Nicholas | |
| dc.date.accessioned | 2024-01-09T22:43:42Z | |
| dc.date.available | 2024-01-09T22:43:42Z | |
| dc.date.issued | 2024-01-09 | |
| dc.description.abstract | This dissertation presents the development of a boosted analysis in the searchfor the resonant production of a new heavy scalar X decaying to two Higgs bosons, which is predicted by some Beyond the Standard Model theories. The bbτ + τ − semi-hadronic decay channel of the Higgs bosons is considered. The analysis is developed using Monte Carlo simulated data and validated with 0.11 fb−1 of proton-proton collisions at √s = 13 TeV from the ATLAS detector at the Large Hadron Collider (LHC). Scalar X masses of 1, 1.6, and 2 TeV are considered and expected limits of 5.29 × 103 , 23.42, and 18.60 fb, respectively, are placed on the pp → X → HH cross section at 95% confidence level. These results are compared to existing resolved and boosted ATLAS bbτ + τ − analyses. A new method for di-τ identification and a kinematic neural network for event selection are also described. This dissertation contains previously published and unpublished material. | en_US |
| dc.identifier.uri | https://hdl.handle.net/1794/29149 | |
| dc.language.iso | en_US | |
| dc.publisher | University of Oregon | |
| dc.rights | All Rights Reserved. | |
| dc.title | Boosted Analysis of Higgs Pair Production in the bbτ + τ − Lephad Final State | |
| dc.type | Electronic Thesis or Dissertation | |
| thesis.degree.discipline | Department of Physics | |
| thesis.degree.grantor | University of Oregon | |
| thesis.degree.level | doctoral | |
| thesis.degree.name | Ph.D. |
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