Abstract
Higgs bosons pair production is well known for its sensitivity to probing the sign and size of Higgs boson self coupling, providing a way to determine whether there is an extended Higgs sector. The Georgi-Machacek (GM) model extends the Standard Model (SM) with an SU(2) L triplet scalar field that has one real and one complex components. The Higgs self coupling now has a wider range than that in the SM, with even the possibility of a sign flip. The new heavy singlet Higgs boson H 01 can contribute to s-channel production of the hh pairs. In this work, we study non-resonant/resonant Higgs boson pair productions pp → hh and pp → H 01 → hh, focusing exclusively on the contribution of H 01 . We show the sensitivity for Higgs boson pair production searches at the 13-TeV LHC with the luminosities of 3.2, 30 and 100 fb−1.
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Chang, J., Chen, CR. & Chiang, CW. Higgs boson pair productions in the Georgi-Machacek model at the LHC. J. High Energ. Phys. 2017, 137 (2017). https://doi.org/10.1007/JHEP03(2017)137
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DOI: https://doi.org/10.1007/JHEP03(2017)137