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Probing TeV scale top-philic resonances with boosted top-tagging at the high luminosity LHC
Kim, Joeng Han Kong, Kyoungchul Lee, Seung J. Mohlabeng, Gopolang Mokoka
Kim, Joeng Han
Kong, Kyoungchul
Lee, Seung J.
Mohlabeng, Gopolang Mokoka
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Abstract
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 MJ, 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 showthe sensitivity of atop-philic resonance atthe LHC and HL-LHC by showing the 2σ exclusion limit and 5σ discovery reach, including a combination of all three channels.
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2016-08-24
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American Physical Society
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Kim_PhysRevD_2016.pdf
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Kim, J. H., Kong, K., Lee, S. J., & Mohlabeng, G. (2016). Probing TeV scale top-philic resonances with boosted top-tagging at the high luminosity LHC. Physical Review D, 94(3). doi:10.1103/physrevd.94.035023