期刊
PHYSICAL REVIEW D
卷 94, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.94.035023
关键词
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资金
- IBS Center for Theoretical Physics of the Universe [IBS-R018-D1]
- IBS Center for Axion and Precision Physics Research [IBS-R017-D1-2016-a00]
- U.S. DOE [DE-FG02-12ER41809]
- Fermilab Graduate Student Research Program in Theoretical Physics
- National Research Foundation of South Africa [88614]
- National Research Foundation of Korea - Korea government [NRF-2015R1A2A1A15052408]
- Ministry of Science, ICT & Future Planning, Republic of Korea [IBS-R018-D1-2016-A00, IBS-R017-D1-2016-A00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [00000002, 2015R1A2A1A15052408] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We investigate the discovery potential of singly produced top-philic resonances at the high luminosity (HL) LHC in the four-top final state. Our analysis spans over the fully hadronic, semileptonic, and samesign dilepton channels where we present concrete search strategies adequate to a boosted kinematic regime and high jet-multiplicity environments. We utilize the template overlap method with newly developed template observables for tagging boosted top quarks, a large-radius jet variable M-J, and customized b-tagging tactics for background discrimination. Our results show that the same-sign dilepton channel gives the best sensitivity among the considered channels, with an improvement of significance up to 10%-20% when combined with boosted top-tagging. Both the fully hadronic and semileptonic channels yield comparable discovery potential and contribute to further enhancements in the sensitivity by combining all channels. Finally, we show the sensitivity of a top-philic resonance at the LHC and HL-LHC by showing the 2 sigma exclusion limit and 5 sigma discovery reach, including a combination of all three channels.
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