Electroweak symmetry breaking and collider signatures in the next-to-minimal composite Higgs model - INSPIRE

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Electroweak symmetry breaking and collider signatures in the next-to-minimal composite Higgs model

Nov 28, 2016

53 pages

Published in:

JHEP 04 (2017) 117

Published: Apr 20, 2017

e-Print:

1611.09356 [hep-ph]

DOI:

10.1007/JHEP04(2017)117

View in:

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Abstract: (Springer)

We conduct a detailed numerical analysis of the composite pseudo-Nambu-Goldstone Higgs model based on the next-to-minimal coset SO(6)/SO(5) ≅ SU(4)/Sp(4), featuring an additional SM singlet scalar in the spectrum, which we allow to mix with the Higgs boson. We identify regions in parameter space compatible with all current exper-imental constraints, including radiative electroweak symmetry breaking, flavour physics, and direct searches at colliders. We find the additional scalar, with a mass predicted to be below a TeV, to be virtually unconstrained by current LHC data, but potentially in reach of run 2 searches. Promising indirect searches include rare semi-leptonic B decays, CP violation in B

_{s}

mixing, and the electric dipole moment of the neutron.

Note:

32 pages + appendices, 9 figures. v2: minor clarifications, matches the JHEP version

Beyond Standard Model
Technicolor and Composite Models
new physics
Higgs model: composite
Higgs model: parameter space
electroweak interaction: symmetry breaking
symmetry breaking: model
scalar particle: new particle
scalar particle: mass
scalar particle: singlet

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Figures(24)

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