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순수물리이론 연구단
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Exotic decays of top partners with charge 5/3: bounds and opportunities

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Title
Exotic decays of top partners with charge 5/3: bounds and opportunities
Author(s)
Ke-Pan Xie; Giacomo Cacciapaglia; Thomas Flacke
Publication Date
2019-10
Journal
JOURNAL OF HIGH ENERGY PHYSICS, v.2019, no.10, pp.134 -
Publisher
SPRINGER
Abstract
© 2019, The Author(s).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→ t+, b++. 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→ t+→ tW+γ decays, and top-rich channels which arises in several exotic X5/3 decays
URI
https://pr.ibs.re.kr/handle/8788114/6832
ISSN
1029-8479
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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