Anomalous single production of fourth generation<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msup><mml:mi>t</mml:mi><mml:mo>′</mml:mo></mml:msup></mml:math>quarks at ILC and CLIC

Şenol, A.; Tasci, A. T.; Ustabas, F.

doi:10.1016/j.nuclphysb.2011.05.022

Cited by 21 publications

(9 citation statements)

References 38 publications

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“…Compared with the hadron colliders, a future linear e + e − collider has a particularly clear background environment [55][56][57], i.e., the final stage of Compact Linear Collider (CLIC) operating at an energy of 3 TeV is expected to directly examine the pair production of new heavy top partner of mass up to 1.5 TeV [58]. The high-energy linear collider is thus a precision machine with which the properties of new VLQs can be measured precisely [59][60][61][62][63][64][65]. To the best of our knowledge, no singlet VLQ-B in e + e − collisions.…”

Section: Introductionmentioning

confidence: 99%

Search for single production of vector-like B quark decaying to bZ at future linear colliders

Han

Shen

2021

Eur. Phys. J. C

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New vector-like quarks are predicted in many new physics scenarios beyond the Standard Model (SM). Based on a model-independent framework, we investigate the prospect of discovering the SU(2) singlet vector-like bottom quark (VLQ-B) in $$e^{+}e^{-}$$ e + e - collisions at 3 TeV Compact Linear Collider. We study the single VLQ-B production process $$e^{-}e^{+}\rightarrow B{\bar{b}}\rightarrow Zb{\bar{b}}$$ e - e + → B b ¯ → Z b b ¯ with two types of decay channel: $$Z\rightarrow \ell ^{+}\ell ^{-}$$ Z → ℓ + ℓ - , and $$Z\rightarrow \nu {\bar{\nu }}$$ Z → ν ν ¯ . By carrying out a full simulation for the signals and the relevant SM backgrounds, the $$2\sigma $$ 2 σ exclusion limit and $$5\sigma $$ 5 σ discovery prospects are, respectively, obtained on the B quark mass and the coupling strength $$g^{*}$$ g ∗ with the integrated luminosity of 5 $$\hbox {ab}^{-1}$$ ab - 1 . Our numerical results show that the possible signals of the singlet VLQ-B might be detected at the future high-energy $$e^{+}e^{-}$$ e + e - linear colliders.

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Section: Introductionmentioning

confidence: 99%

Search for single production of vector-like B quark decaying to bZ at future linear colliders

Han

Shen

2021

Eur. Phys. J. C

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“…Thus, the high-energy linear collider is a precision machine that can accurately measure the characteristics of the new VLQs [51][52][53][54][55][56][57][58]. In this work, we focus on the observability of the single VLQ-B production at the CLIC via the process e + e − → B b (b B) combined with the B → bZ and the subsequent decay channels Z → ℓ + ℓ − and Z → ν ν, respectively.…”

Section: Introductionmentioning

confidence: 99%

Single production of vectorlike $B$ quarks at the CLIC

Han,

Yang,

et al. 2021

Preprint

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The vector-like quarks are predicted in many new physics scenarios beyond the Standard Model (SM) and could be seen potential signatures of new physics at the TeV energy scale. In this work, we study single production of exotic singlet and doublet vectorlike bottom quarks (VLQ-B) at future Compact Linear Collider (CLIC) via the process e + e − → B b with the decay channel B → bZ and two types of modes: Z → ℓ + ℓ − and Z → ν ν. We calculate the cross sections of signal and relevant SM backgrounds.After a fast simulation of the signal and background events, the exclusion limit at 95% confidence level and 5σ discovery prospects on the parameters (the coupling strength κ B and the VLQ-B mass) have been, respectively, presented at the future CLIC with centre of mass energy √ s = 3 TeV and integrated luminosity of 5 ab −1 .

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“…In addition, the polarization of the initial beams at e + e − linear colliders will be useful to study the properties of the top partner. Some relevant works have been widely studied in various extensions of the Standard Model (SM) [14], including the Little Higgs model [15]. However, the works in Little Higgs model mostly were performed many years ago and before the discovery of the Higgs boson, so it is necessary to revisit this topic.…”

Section: Introductionmentioning

confidence: 99%

Top Partner Production at e+e- Collider in the Littlest Higgs Model with T-Parity

Wang

Yang

2017

Advances in High Energy Physics

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In the framework of the littlest Higgs Model with -parity, we discuss the top partner production at future + − collider. We calculate the cross sections of the top partner production processes and associated production processes of Higgs and top partner under current constraints. Then, we investigate the observability of the -odd top partner pair production through the process + − → − − → 퐻 퐻 in the dilepton channel for two -odd top partner masses 푇 − = 603 (708) GeV at √ = 1.5 TeV. We analyze the signal significance depending on the integrated luminosity and find that this signal is promising at the future high energy + − collider.

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Anomalous single production of fourth generationt′quarks at ILC and CLIC

Cited by 21 publications

References 38 publications

Search for single production of vector-like B quark decaying to bZ at future linear colliders

Search for single production of vector-like B quark decaying to bZ at future linear colliders

Single production of vectorlike $B$ quarks at the CLIC

Top Partner Production at e+e- Collider in the Littlest Higgs Model with T-Parity

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