Single production of vectorlike 
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 quark at future high-energy linear 
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 collider

Han, L.; Du, Lei; Liu, Yao-Bei

doi:10.1103/physrevd.105.115032

Cited by 5 publications

(2 citation statements)

References 70 publications

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“…The purple line in the left panel stands for the result of T → Wb at 14 TeV HL-LHC [63], while there is no corresponding line in the right panel since the discovery region cannot reach the range of g * < 0.3. A large number of studies with regard to searches for T on future colliders are investigated in [37,[64][65][66][67][68][69][70], where the results are listed in table 4 for comparison. From this table, we can find that the exclusion (discovery) capability in this work is much better than that of the High-Luminosity Large Hadron Collider (HL-LHC) with 3000 fb −1 [63] for the region of g * < 0.2 (g * < 0.3) because of different search strategies.…”

Section: Discussionmentioning

confidence: 99%

Singlet vector-like T quark production in association with Wb at the CLIC

Yang

Wang

Sima

et al. 2023

Commun. Theor. Phys.

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In a simplified model including an $SU(2)$ singlet vector-like top quark $T$ (VLT) with charge $2/3$, we investigate the associated production of $Wb$ with VLT at Compact Linear Collider (CLIC). Focusing on the $T\to Wb$ decay channel, we discuss two decay models: $ e^+e^- \to \bar T W^{+} b \to (l^- \bar \nu \bar b) (j j b)$ and $ e^+e^- \to \bar T W^{+} b \to (j j \bar{b}) (l^+ \nu b) $. In this paper, we consider recent experimental limits including the electroweak precision observables, the width of the top quark and the direct LHC searchs. Through a detailed detector simulation, we show the exclusion and discovery capability on the $T$ at 3 TeV CLIC, where the initial state radiation effect has also been considered. The results show that it is promising to detect the VLT at future high-energy $e^{+}e^{-}$ colliders.

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Section: Discussionmentioning

confidence: 99%

Singlet vector-like T quark production in association with Wb at the CLIC

Yang

Wang

Sima

et al. 2023

Commun. Theor. Phys.

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“…As shown in Refs. [49][50][51][52][53][54][55][56], the cross sections of single production processes for various types of VLQs are very sensitive to the EW coupling parameter. However, the cross sections for pair production processes only depend on the mass of VLQs for a given center-of-mass energy [57,58].…”

Section: Introductionmentioning

confidence: 99%

Search for an exotic vectorlike X-quark in same-sign dilepton final states at the future 3 TeV CLIC*

Zhang 张,

Chang 常,

Liu 刘

2024

Chinese Phys. C

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Vectorlike quarks~(VLQs) with masses at the TeV-scale have been predicted in many new physics scenarios beyond the Standard Model~(SM). Based on a simplified $\left(X,T\right)$ doublet model including the exotic vectorlike $X$ quark~(VLQ-$X$) with electric charge $5/3$, we study the production of the VLQ-$X$ decaying into $tW$ at the future Compact Linear Collider~(CLIC) with $\sqrt{s}=3$ TeV including the initial state radiation and beamstrahlung effects. We focus on the final signals including same-sign dilepton~(electrons or muons), at least one $b$-tagged jet and large missing transverse momentum.By performing a detailed signal-to-background analyses and detector simulations, we obtain the $2\sigma$ exclusion capabilities and the $5\sigma$ discovery reaches, respectively, on the mass of VLQ-$X$ $m_{X}$ and the relevant parameters~($Br(X\to tW)$ for $m_{X}<1500$~GeV and the coupling strength $g^{*}$ for $m_{X}\geq1500$~GeV) for some typical luminosities at 3 TeV CLIC.

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Pair production of the vectorlike top partner at future muon collider

Xiao-Min²,

Li³

et al. 2022

Nuclear Physics B

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Single production of vectorlike T quark at future high-energy linear e+e− collider

Cited by 5 publications

References 70 publications

Singlet vector-like T quark production in association with Wb at the CLIC

Singlet vector-like T quark production in association with Wb at the CLIC

Search for an exotic vectorlike X-quark in same-sign dilepton final states at the future 3 TeV CLIC*

Pair production of the vectorlike top partner at future muon collider

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