Natural stabilization of the Higgs boson’s mass and alignment
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Citation (published version)Kenneth Lane, William Shepherd. "Natural stabilization of the Higgs boson’s mass and alignment." Physical Review D, Volume 99, Issue 5, https://doi.org/10.1103/physrevd.99.055015
Current data from the LHC indicate that the 125 GeV Higgs boson, H , is either the single Higgs of the Standard Model or, to a good approximation, an "aligned Higgs." We propose that H is the pseudo-Goldstone dilaton of Gildener and Weinberg. Models based on their mechanism of scale symmetry breaking can naturally account for the Higgs boson's low mass and aligned couplings. We conjecture that they are the only way to achieve a "Higgslike dilaton" that is actually the Higgs boson. These models further imply the existence of additional Higgs bosons in the vicinity of 200 to about 550 GeV. We illustrate our proposal in a version of the two-Higgs-doublet model of Lee and Pilaftsis. Our version of this model is consistent with published precision electroweak and collider physics data. We describe tests to confirm or exclude this model, possibly with available LHC data.
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