Bingfang Yang

Top Quark FCNC Decay to 125GeV Higgs boson in the Littlest Higgs Model with T-parity

Bingfang Yang, Ning Liu, Jinzhong Han

Motivated by the current observation of a 125 GeV Higgs boson, we calculate $t \to cH$ and $t \to c g (I^^{3}) H$ in the unitary gauge in the littlest Higgs model with T-par…

Associated production of single top and Higgs at the LHC in the littlest Higgs model with T-parity

Bingfang Yang, Jinzhong Han, Ning Liu

In the littlest Higgs model with T-parity (LHT), we study the $t$ -channel single top production in association with a Higgs boson at 8 and 14 TeV LHC. We find that the cross sectio…

hep-ph2013

One-loop effects on top pair production in the littlest Higgs model with T-parity at the LHC

Bingfang Yang, Ning Liu

In this work, we systematically investigate the one-loop corrections to $t t ˉ$ production in the littlest Higgs model with T-parity (LHT) at the LHC for $s = 8, 14$ TeV. We…

Associated production of the $Z$ boson with a pair of top quarks in the left-right twin Higgs model

Jinzhong Han, Bingfang Yang, Xiantu Zhang

In the context of the left-right twin Higgs (LRTH) model, we first examine the effects on the $Z t t ˉ$ production at the ILC and LHC. Our results show that the cross-sections can…

hep-ph2026

Searching for single production of a vector-like $Y$ quark decaying into $bW$ at the FCC-eh

Liangliang Shang, Weifan Zhu, Bingfang Yang +1

We investigate the exclusion and discovery potential for single production of a vector-like $Y$ quark with electric charge $Q = - 4/3$ , followed by the decay $Y \to bW$ , at the FCC-eh.…

hep-ph2017

Top partner production at $e^{+} e^{-}$ collider in the littlest Higgs Model with T-parity

Haiyan Wang, Bingfang Yang

In the framework of the littlest Higgs Model with T-parity, we discuss the top partner production at future $e^{+} e^{-}$ collider. We calculate the cross sections of the top partne…

Next-to-leading order QCD corrections to $H Z W^{\pm}$ production at 14 TeV LHC

Ning Liu, Jie Ren, Bingfang Yang

Since the precise study of Higgs gauge couplings is important to test the Standard Model (SM), we calculate the complete next-to-leading order QCD(NLO QCD) correction to the $pp \t…

Single Higgs boson production at $e^{+} e^{-}$ colliders in the Littlest Higgs Model with T-parity

Bingfang Yang, Jinzhong Han, Sihua Zhou +1

In this work, we investigate the Higgs-boson production processes $e^{+} e^{-} \to Z H$ , $e^{+} e^{-} \to I^½_{e} I^½_{e} ˉ H$ and $e^{+} e^{-} \to e^{+} e^{-} H$ in…

hep-ph2022

Interpreting the $W$ -mass anomaly in the vectorlike quark models

Junjie Cao, Lei Meng, Liangliang Shang +2

The new measurement of $W$ -boson mass by the CDF collaboration revealed a remarkable $7 I ¨ $ disagreement with the Standard Model (SM) prediction. If confirmed by other experiments,…

hep-ph2024

Single production of an exotic vector-like $Y$ quark at future high energy $pp$ colliders

Liangliang Shang, Yuxiao Yan, Stefano Moretti +1

Vector-like quarks have been predicted in various new physics scenarios beyond the Standard Model (SM). In a simplified modelling of a $(B, Y)$ doublet including a vector-like quark…

Enhancing $t t ˉ hh$ production through CP-violating top-Higgs interaction at the LHC, ILC and a 100 TeV collider

Ning Liu, Yanming Zhang, Jinzhong Han +1

The measurement of Higgs self-coupling is one of the most crucial physics goals at the future colliders. At the LHC, the di-Higgs production is a main way to measure the Higgs tril…

hep-ph2023

Search for the singlet vector-like top quark in the $T \to tZ$ channel with $Z \to I^½ I^ˉ ½$ at hadron colliders

Lin Han, Shiyu Wang, Liangliang Shang +1

Based on a simplified model including a singlet vector-like top quark $T$ with charge $∣ Q ∣ = 2/3$ , we analyze the prospects of observing $T$ via the single $T$ production in the $tZ$ …

hep-ph2012

Top quark pair production via $e^{+} e^{-}$ collision in the littlest Higgs model with T-parity at the ILC

Bingfang Yang, Jinzhong Han, Lin Wang +1

In the littlest Higgs model with T-parity, we studied the contributions of the new particles to the top-quark pair production via $e^{+} e^{-}$ collision at the International Linear…

hep-ph2018

Search for $t hj$ production with $h \to I^^{3} I^^{3}$ at the LHC in the littlest Higgs model with T-parity

Bingfang Yang, Biaofeng Hou, Huaying Zhang

In the littlest Higgs model with T-parity, we study associated production of a Higgs and a single top quark at the 14 TeV LHC. We focus on the Higgs to two photons decay and the se…

hep-ph2012

Top quark pair production via (un)polarized photon collisions in the littlest Higgs model with T-parity at the ILC

Bingfang Yang

We study the top-quark pair production via polarized and unpolarized photon collisions at the International Linear Collider in the context of the littlest Higgs model with T-parity…

hep-ph2021

Lepton flavor violating Higgs decay $h \to I^¼ I ¨ $ in the littlest Higgs Model with T-parity

Bingfang Yang, Jinzhong Han, Ning Liu

Inspired by the recent CMS $h \to I^¼ I ¨ $ excess, we calculate the lepton flavor violating Higgs decay $h \to I^¼ I ¨ $ in the littlest Higgs model with T-parity (LHT). Under the constra…

Single top partner production in the Higgs to diphoton channel in the Littlest Higgs Model with $T$ -parity

Ning Liu, Lei Wu, Bingfang Yang +1

The top partner as a hallmark of the Littlest Higgs model with $T$ -parity (LHT model) has been extensively searched for during the Large Hadron Collider (LHC) Run-1. With the incre…

Higgs boson production and decay at $e^{+} e^{-}$ colliders as a probe of the Left-Right twin Higgs model

Jinzhong Han, Shaofeng Li, Bingfang Yang +1

In the framework of the Left-Right twin Higgs (LRTH) model, we consider the constrains from the latest search for high-mass dilepton resonances at the LHC and find that the heavy n…

hep-ph2024

Search for single vector-like $B$ quark production in hadronic final states at the LHC

Bingfang Yang, Zejun Li, Xinglong Jia +2

In this paper, we study the discovery potential of a Vector-Like $B$ quark (VLB) via the process $pp \to B (\to b Z) j \to b (Z \to I^½_{l} I^½_{l} ˉ) j$ at the Large Hadron Collider (LHC)…

One-loop QCD correction to top pair production in the littlest Higgs model with T-parity at the LHC

Bingfang Yang, Ning Liu

In this work, we investigate the one-loop QCD correction to top pair production in the littlest Higgs model with T-parity at the LHC. We calculate the relative correction of the to…

Impact of top-Higgs couplings on di-Higgs production at future colliders

Ning Liu, Songlin Hu, Bingfang Yang +1

Measuring the Higgs-self coupling is one of the most crucial goals of the future colliders, such as the LHC Run-II and the ILC-based photon collider. Since the new physics can affe…

Constraining Top partner and Naturalness at the LHC and TLEP

Chengcheng Han, Archil Kobakhidze, Ning Liu +2

We investigate indirect constraints on the top partner within the minimal fermionic top partner model. By performing a global fit of the latest Higgs data, $B_{s} \to I^¼^{+} I^¼^{-}$ measu…

Higgs boson production in the $U (1)_{B - L}$ model at the ILC

Jinzhong Han, Bingfang Yang, Ning Liu +1

In the framework of the minimal $U (1)_{B - L}$ extension of the Standard Model, we investigate the Higgs boson production processes $e^{+} e^{-} \to Z H$ , $e^{+}e^{-}\rightarrow…

hep-ph2019

Single production of vector-like top partner decaying to $W b$ in the leptonic channel at $e p$ colliders in the LHT model

Bingfang Yang, Biaofeng Hou, Huaying Zhang +1

In the littlest Higgs model with T-parity(LHT), we study the single production of vector-like top partner with the subsequent decay $T_{+} \to W b$ in the leptonic channel at the $ep…

Higgs couplings and Naturalness in the littlest Higgs model with T-parity at the LHC and TLEP

Bingfang Yang, Guofa Mi, Ning Liu

Motivated by the recent LHC Higgs data and null results in searches for any new physics, we investigate the Higgs couplings and naturalness in the littlest Higgs model with T-parit…

Double Higgs production in the littlest Higgs Model with T-parity at high energy $e^{+} e^{-}$ Colliders

Bingfang Yang, Guofa Mi, Ning Liu

In the framework of the littlest Higgs model with T-parity(LHT), we investigate the double Higgs production processes $e^{+} e^{-} \to Z H H$ and $e^{+}e^{-}\rightarrow Î½\barÎ…

hep-ph2011

The flavor-changing bottom-strange quark production in the littlest Higgs model with T parity at the ILC

Bingzhong Li, Jinzhong Han, Bingfang Yang

In the littlest Higgs model with T-parity (LHT) the mirror quarks induce the special flavor structures and some new flavor-changing (FC) couplings which could greatly enhance the p…

hep-ph2026

Probing the vector-like $X$ quark via the $t W$ channel at future muon-proton colliders

Liangliang Shang, Shuting Zhao, Bingfang Yang +1

We investigate the discovery potential for the vector-like $X$ -quark (VLX) at future muon--proton ( $I^¼ p$ ) colliders through the process $I^¼^{+} p \to I^ˉ ½_{I^} ¼ X \to I^ˉ ½_{I^} ¼ t W^{+}$ .…

hep-ph2011

The Study of the contribution of the LHT model to $Z b b ˉ$ coupling

Bingfang Yang, Xuelei Wang, Jinzhong Han

In the framework of the Littlest Higgs Model with T-parity (LHT), we study the contributions of the new particles to $Z b b ˉ$ couplings at one-loop level. Based on these results…

hep-ph2026

Probing Anomalous $t q ˉ Z$ Interactions at Muon Colliders

Liangliang Shang, Lu Zhang, Bingfang Yang +1

In the framework of effective field theory, we study the anomalous $t q ˉ Z$ interaction through the process $I^¼^{+} I^¼^{-} \to t q ˉ Z$ at future muon colliders with $\sqrt s= 3,…

hep-ph2017

Rare Higgs three body decay induced by top-Higgs FCNC coupling in the littlest Higgs Model with T-parity

Bingfang Yang, Zhiyong Liu, Ning Liu

Motivated by the search for flavor-changing neutral current (FCNC) top quark decays at the LHC, we calculate rare Higgs three body decay $H \to W b c$ induced by top-Higgs FCN…

hep-ph2022

Interpreting the $W$ mass anomaly in the vector-like quark models

Junjie Cao, Lei Meng, Liangliang Shang +2

The new measurement of $W$ -boson mass by the CDF collaboration revealed a remarkable $7 I ¨ $ disagreement with the Standard Model (SM) prediction. If confirmed by other experiments,…

Little Higgs Dark Matter after PandaX-II/LUX 2016 and LHC Run-1

Lei Wu, Bingfang Yang, Mengchao Zhang

In the Littlest Higgs model with $T$ parity (LHT), the $T$ -odd heavy photon ( $A_{H}$ ) is weakly interacting and can play the role of dark matter. We investigate the lower limit on th…

hep-ph2025

Triplet fermion WIMP dark matter in the general supersymmetric Georgi-Machacek model

LiangLiang Shang, Yuanping Wang, Xiaokang Du +2

The supersymmetric custodial triplet model (SCTM), which is a fully-super\-symmetric generalization of the Georgi-Machacek (GM) model, is constructed by extending the Higgs sector…