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- Title
Exotic decays of top partners with charge 5/3: bounds and opportunities.
- Authors
Xie, Ke-Pan; Cacciapaglia, Giacomo; Flacke, Thomas
- Abstract
Exotic decays of top partners in new bosons are the norm in realistic models of a composite Higgs. We focus on the custodial charge-5/3 partner, which normally decays exclusively into tW+. The new channels include a colour-sextet, X5/3→ b ¯ π6, as well as singly and doubly charged scalars, X5/3→ t𝜙+, b𝜙++. We use existing same-sign lepton searches to show that the new final states are constrained at the same level as the standard one. At the same time, exotic final states also offer opportunities for improvement: examples include a hard photon in X5/3→ t𝜙+→ tW+γ decays, and top-rich channels which arises in several exotic X5/3 decays.
- Subjects
HIGGS bosons; BOSONS; HADRON-hadron scattering; PHOTONS
- Publication
Journal of High Energy Physics, 2019, Vol 2019, Issue 10, pN.PAG
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP10(2019)134