English
Related papers

Related papers: Testing the Littlest Higgs Model with T-parity at …

200 papers

Little Higgs models with $T$-parity provide a stable neutral particle $A_H$, the lightest $T$-odd particle (LTP), which was recently proposed to explain the cold dark matter of the Universe. In the coannihilation region of the LTP with the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chian-Shu Chen , Kingman Cheung , Tzu-Chiang Yuan

In the littlest Higgs model with T-parity, the production cross section of the T-odd heavy gauge boson pair $Z_H W_H$ is quite sizable at the LHC. In addition, both the $W_H$ and $Z_H$ bosons have almost exclusively one decay channel into…

High Energy Physics - Phenomenology · Physics 2013-05-08 Kingman Cheung , Kang Young Lee , So Young Shim , Jeonghyeon Song , Namseok Yoo

We study the collider phenomenology of a Littlest Higgs model with T-parity. We first stress the important role of the T-odd SU(2) doublet fermions (introduced to make the model T-parity invariant) in high energy scattering processes, such…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alexander Belyaev , Chuan-Ren Chen , Kazuhiro Tobe , C. -P. Yuan

Little Higgs models are an interesting extension of the Standard Model at the TeV scale. They provide a simple and attractive mechanism of electroweak symmetry breaking. We review one of the simplest models of this class, the Littlest Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 Maxim Perelstein

The Littlest Higgs with T-parity Model (LHT) is one of the attractive candidates of physics beyond the Standard Model. In this study we focus on heavy gauge bosons and heavy leptons that LHT imposes, which are detectable at ILC. The mass…

High Energy Physics - Phenomenology · Physics 2012-03-06 Eriko Kato , Masaki Asano , Keisuke Fujii , Shigeki Matsumoto , Yosuke Takubo , Hitoshi Yamamoto

Littlest Higgs model with T-parity and Minimal Supersymmtric standard Model with R-parity both give similar signatures in collider experiment with a huge amount of missing energy depending upon mass of the lightest T-odd/R-odd particle. In…

High Energy Physics - Phenomenology · Physics 2015-05-14 Sudhir Kumar Gupta

In the littlest Higgs model with T-parity, which predicts a pair of T-even and T-odd partners for the top quark, the top quark interactions are altered with respect to the Standard Model predictions and deviation will manifest in various…

High Energy Physics - Phenomenology · Physics 2008-11-26 Lei Wang , Wenyu Wang , Jin Min Yang , Huanjun Zhang

We analyse hadronically quiet trilepton signatures in the T-parity conserving Littlest Higgs model and in R-parity conserving supersymmetry at the Large Hadron Collider. We identify the regions of the parameter space where such signals can…

High Energy Physics - Phenomenology · Physics 2008-11-26 AseshKrishna Datta , Paramita Dey , Sudhir Kumar Gupta , Biswarup Mukhopadhyaya , Andreas Nyffeler

With high luminosity and energy at the ILC and clean SM backgrounds, the top-charm production at the ILC should have powerful potential to probe new physics. The littlest Higgs model with discrete symmetry named "T-parity"(LHT) is one of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xuelei Wang , Huiling Jin , Yanju Zhang , Yanhui Xi

We study the collider signatures of a T-odd gauge boson $W_{H}$ pair production in the Littlest Higgs Model with T-parity (LHT) at Large Hadron Collider (LHC) and Linear Collider (LC). At the LHC, we search for the $W_{H}$ boson using its…

High Energy Physics - Phenomenology · Physics 2008-11-26 Qing-Hong Cao , Chuan-Ren Chen

In the presence of the T-parity violating Wess-Zumino-Witten (WZW) anomaly term, the otherwise stable heavy photon A_H in the Littlest Higgs model with T-parity (LHT) decays to either Standard Model (SM) gauge boson pairs, or to SM fermions…

High Energy Physics - Phenomenology · Physics 2010-05-12 Satyanarayan Mukhopadhyay , Biswarup Mukhopadhyaya , Andreas Nyffeler

Little Higgs models offer an interesting approach to weakly coupled electroweak symmetry breaking without fine tuning. The original little Higgs models were plagued by strong constraints from electroweak precision data which required a fine…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jay Hubisz , Patrick Meade

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 section can be enhanced obviously in this model compared to the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Bingfang Yang , Jinzhong Han , Ning Liu

The left-right twin $Higgs$ ($LRTH$) model is a concrete realization of the twin $Higgs$ mechanism, which predicts the existence of the top partner $T$. In this paper, we consider production of $T$ associated with the top quark $t$ at the…

High Energy Physics - Phenomenology · Physics 2009-05-29 Chong-Xing Yue , Hui-Di Yang , Wei Ma

In the context of the littlest Higgs model, we study the associated production of the Higgs boson and a top quark ($th$ production) at the CERN Large Hadron Collider (LHC). The cross sections for s-channel, t-channel processes and the…

High Energy Physics - Phenomenology · Physics 2009-11-19 Shuo Yang

The littlest Higgs model with T-parity predicts the existence of the T-odd particles, which can only be produced in pair. We consider pair production of the T-odd leptons in future high energy linear $e^{+}e^{-}$ collider ($ILC$). Our…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chong-Xing Yue , Nan Zhang , Shi-Hai Zhu

The littlest Higgs model with discrete symmetry named "T-parity"(LHT) is an interesting new physics model which does not suffer strong constraints from electroweak precision data. One of the important features of the LHT model is the…

High Energy Physics - Phenomenology · Physics 2009-01-14 Xuelei Wang , Yanju Zhang , Huiling Jin , Yanhui Xi

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 Collider. We calculated the top-quark pair production cross…

High Energy Physics - Phenomenology · Physics 2012-05-30 Bingfang Yang , Jinzhong Han , Lin Wang , Xuelei Wang

We exploit all LHC available Run 2 data at center-of-mass energies of 8 and 13 TeV for searches for physics beyond the Standard Model. We scrutinize the allowed parameter space of Little Higgs models with the concrete symmetry of T-parity…

High Energy Physics - Phenomenology · Physics 2018-05-14 Daniel Dercks , Gudrid Moortgat-Pick , Jurgen Reuter , So Young Shim

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 semileptonic top decay channel. By performing a fast detector…

High Energy Physics - Phenomenology · Physics 2018-04-04 Bingfang Yang , Biaofeng Hou , Huaying Zhang