Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP02(2020)002
Keywords
Beyond Standard Model; Higgs physics; Hadron-Hadron scattering (experiments)
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Funding
- F.R.S.-FNRS under the Excellence of Science EOS [30820817]
- European Union [690575, 674896]
- Programa Atraccion de Talento de la Comunidad de Madrid [2017-T1/TIC-5202]
- Ramon y Cajal Fellowship [RYC-2017-22986]
- Spanish MINECO's Centro de Excelencia Severo Ochoa [SEV-2016-0597]
- Spanish Proyectos de I+D de Generacion de Conocimiento [PGC2018-096646-A-I00]
- SLAC Panofsky Fellowship
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We extend the coverage of resonant di-Higgs searches in the bbbb final state to the process pp ! H1 ! H2H2 ! bbbb, where both H1;2 are spin-0 states beyond the Standard Model. Such a process constitutes a joint discovery mode for the new states H1 and H2. We present the first sensitivity study of this channel, using public LHC data to validate our analysis. We also provide a first estimate of the sensitivity of the search for the HL-LHC and future facilities like the HE-LHC and FCC-hh. We analyze the discovery potential of this search for several non-minimal scalar sector scenarios: an extension of the SM with two extra singlet scalar fields, the two-Higgs-doublet model and a two-Higgs doublet model plus a singlet, which captures the scalar potential features of the NMSSM. We find that this channel represents a novel, very powerful probe for extended Higgs sectors, offering complementary sensitivity to existing analyses.
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