Single production of vector-like top partners in trilepton channel at future 100 TeV Hadron colliders

Tian, Xi-Yan; Du, Lei; Liu, Yao-Bei

doi:10.1016/j.nuclphysb.2021.115358

Cited by 13 publications

(1 citation statement)

References 41 publications

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“…Depending on the model, VLQs can be realized in different multiplets, such as electroweak singlet [T , B], electroweak doublets [(X, T ) , (T, B) or (B, Y )], or a e-mail: hanlin@xxmu.edu.cn b e-mail: shjf@xxmu.edu.cn (corresponding author) electroweak triplets [(X, T, B) or (T, B, Y )] [11]. A common feature of these new fermions is that they can decay into a SM quark and a SM gauge boson, or a Higgs boson, which could generate characteristic signatures at the current and future high-energy colliders (for example, see [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28]).…”

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confidence: 99%

Searching for a vector-like B quark through a tW decay channel at future electron–positron colliders

2022

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Vector-like quarks are predicted by several theoretical scenarios of new physics which could solve the hierarchy problem in particular and might be produced through electroweak interactions. In this work, we investigate the prospects for discovering the SU(2) singlet vector-like bottom quark (VLQ-B) in $$e^{+}e^{-}$$ e + e - collisions at the future proposed 3 TeV Compact Linear Collider (CLIC). The analysis is performed within the framework of a simplified model featuring only two free parameters: the VLQ-B mass $$m_B$$ m B and the coupling constant $$g^{*}$$ g ∗ . We study its single production process $$e^{+}e^{-}\rightarrow B{\bar{b}}$$ e + e - → B b ¯ and perform a detailed analysis in the decay channel $$B\rightarrow tW^{-}$$ B → t W - at the 3 TeV CLIC. The $$2\sigma $$ 2 σ exclusion limit and $$5\sigma $$ 5 σ discovery prospects are obtained for the model parameters, respectively. Our results show that the future CLIC will be an ideal hunting ground for such vector-like quarks which have electroweak interactions.

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