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Abstract
Charged Higgs bosons produced either in top-quark decays or in association with a top quark, subsequently decaying via , are searched for in of proton-proton collision data at recorded with the ATLAS detector. Depending on whether the top quark is produced together with the π»Β± decays hadronically or semileptonically, the search targets π +jets or π +lepton final states, in both cases with a π-lepton decaying into a neutrino and hadrons. No significant excess over the Standard Model background expectation is observed. For the mass range of 80 β€ππ»Β± β€3000ββGeV, upper limits at 95% confidence level are set on the production cross section of the charged Higgs boson times the branching fraction β¬β‘(π»Β± βπΒ±β’ππ) in the range 4.5 pbβ0.4 fb. In the mass range 80β160 GeV, assuming the Standard Model cross section for π‘β’Β―π‘
production, this corresponds to upper limits between 0.27% and 0.02% on β¬β‘(π‘ βπβ’π»Β±) Γβ¬β‘(π»Β± βπΒ±β’ππ).
production, this corresponds to upper limits between 0.27% and 0.02% on β¬β‘(π‘ βπβ’π»Β±) Γβ¬β‘(π»Β± βπΒ±β’ππ).
Original language | English |
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Article number | 072006 |
Pages (from-to) | 1-31 |
Number of pages | 31 |
Journal | Physical Review D |
Volume | 111 |
Issue number | 7 |
Early online date | 1 Apr 2025 |
DOIs | |
Publication status | Published - 9 Apr 2025 |
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Upgrade of the ATLAS detector at the LHC (2023-26)
Clark, P. (Principal Investigator)
Science and Technology Facilities Council
1/04/23 β 31/03/26
Project: Research
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Experimental Particle Physics at the University of Edinburgh
Leonidopoulos, C. (Principal Investigator)
Science and Technology Facilities Council
1/04/23 β 31/03/26
Project: Research
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Experimental Particle Physics at the University of Edinburgh
Leonidopoulos, C. (Principal Investigator)
Science and Technology Facilities Council
1/10/22 β 31/03/26
Project: Research