Phenomenology of the Little Higgs Model

Abstract

We study the low energy phenomenology of the little Higgs model. We first discuss the linearized effective theory of the "littlest Higgs model" and study the low energy constraints on the model parameters. We identify sources of the corrections to low energy observables, discuss model-dependent arbitrariness, and outline some possible directions of extensions of the model in order to evade the precision electroweak constraints. We then explore the characteristic signatures to test the model in the current and future collider experiments. We find that the LHC has great potential to discover the new SU(2) gauge bosons and the possible new U(1) gauge boson to the multi-TeV mass scale. Other states such as the colored vector-like quark T and doubly-charged Higgs boson Phi^{++} may also provide interesting signals. At a linear collider, precision measurements on the triple gauge boson couplings could be sensitive to the new physics scale of a few TeV. We provide a comprehensive list of the linearized interactions and vertices for the littlest Higgs model in the appendices.

43 pages, 6 figures; v2: discussion clarified, typos corrected; v3: version to appear in PRD; v4: typos fixed in Feynman rules

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• Double Higgs Production and Quadratic Divergence Cancellation in Little Higgs Models with T Parity
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• Search for Doubly Charged Higgs Bosons at LEP2
• Search for Z'--> e^+e^- Using Dielectron Mass and Angular Distribution
• Phenomenology of The Left-Right Twin Higgs Model
• Search for $\mathrm{t}\overline{\mathrm{t}}$H production in the H $\to$ $\mathrm{b}\overline{\mathrm{b}}$ decay channel with leptonic $\mathrm{t}\overline{\mathrm{t}}$ decays in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Search for a Vector-like Quark with Charge 2/3 in t + Z Events from pp Collisions at sqrt(s) = 7 TeV
• Analysis of events with $b$-jets and a pair of leptons of the same charge in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
• Searching for MeV-Scale Gauge Bosons with IceCube
• Cosmic Positron Signature from Dark Matter in the Littlest Higgs Model with T-parity
• On $D\to X_u{l}^{+}{l}^{-}$ within the Standard Model and Frameworks like the Littlest Higgs Model with T Parity
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• Disentangling Dimension Six Operators through Di-Higgs Boson Production
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• Constraining minimal anomaly free $\mathrm{U}(1)$ extensions of the Standard Model
• Search for Doubly-Charged Higgs Bosons at LEP
• LHC Signatures of Warped-space Vectorlike Quarks
• Exploring Higgs Triplet Models via Vector Boson Scattering at the LHC
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• Models of Little Higgs and Electroweak Precision Tests
• Z' Mediated Dark Matter Models for the Galactic Center Gamma-Ray Excess
• Lepton flavour violation in The Little Higgs model
• Effects of Littlest Higgs model in rare D meson decays
• (Non)decoupling of the Higgs triplet effects
• Little Higgs Models and Electroweak Measurements
• Higgs Triplets and Limits from Precision Measurements
• Higgs-pair Production in Littlest Higgs Model with T-parity
• The "Top Priority" at the LHC
• Spin Dependence of Dark Matter Scattering
• Doubly-charged scalar bosons from the doublet
• Neutrino Masses in Supersymmetric SU(3)_C x SU(2)_L x U(1)_Y x U(1)' Models
• Scalar Dark Matter From Theory Space
• High p_T Top Quarks at the Large Hadron Collider
• The branching ratio $R_b$ in the littlest Higgs model
• Early discovery of top partners and test of the Higgs nature
• Alternatives to an Elementary Higgs
• The Bestest Little Higgs
• Searching for t-bar t Resonances at the Large Hadron Collider
• Perturbativity, vacuum stability and inflation in the light of 750 GeV diphoton excess
• The Dark Top
• Phenomenology of Mirror Fermions in the Littlest Higgs Model with T-Parity
• Littlest Higgs with T-parity: Status and Prospects
• A General Analysis of Wtb anomalous Couplings
• Little Higgs theory confronted with the LHC Higgs data
• Chiral Couplings of W' and Top Quark Polarization at the LHC
• Search for New High Mass Particles Decaying to Lepton Pairs in pbarp Collisions at sqrt(s)=1.96 TeV
• Particle-Antiparticle Mixing, epsilon_K, Delta Gamma_q, A_SL^q, A_CP(B_d -> psi K_S), A_CP(B_s -> psi phi) and B -> X_{s,d} gamma in the Littlest Higgs Model with T-Parity
• U(1)' solution to the mu-problem and the proton decay problem in supersymmetry without R-parity
• Particle-Antiparticle Mixing, ε_K and the Unitarity Triangle in the Littlest Higgs Model
• Collider Signature of T-quarks
• Large $t\to cZ$ as a Sign of Vector-Like Quarks in Light of the $W$ Mass
• Symmetry Nonrestoration at High Temperature in Little Higgs Models
• Implications of gauge-mediated supersymmetry breaking with vector-like quarks and a ~125 GeV Higgs boson
• Higgs boson production via vector-like top-partner decays: diphoton or multilepton plus multijets channels at the LHC
• Search for the Single Production of Doubly-Charged Higgs Bosons and Constraints on their Couplings from Bhabha Scattering
• Constraining Top partner and Naturalness at the LHC and TLEP
• Muon anomalous magnetic moment and the heavy photon in a little Higgs model
• Neutralino Relic Density in a Supersymmetric U(1)' Model
• Global Fit of Modified Quark Couplings to EW Gauge Bosons and Vector-Like Quarks in Light of the Cabibbo Angle Anomaly
• Odd Top Partners at the LHC
• Unitarity, analyticity, dispersion relations and resonances in strongly interacting $W_L{W}_L$, $Z_L{Z}_L$ and $hh$ scattering
• Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at sqrt(s) = 13 TeV
• Light vector-like fermions in a minimal SU(5) setup
• $Z^{\prime }$ Mediated WIMPs: Dead, Dying, or Soon to be Detected?
• Single production of the top partners at high energy colliders
• Higgs boson pair production in the little Higgs model at hadron colliders
• Search for heavy resonances decaying into a vector boson and a Higgs boson in final states with charged leptons, neutrinos, and b quarks
• Search for electroweak production of a vector-like T quark using fully hadronic final states
• Enhancement of W+/- H-/+ Production at Hadron Colliders in the Two Higgs Doublet Model
• $B_d-{\bar{B}}_d$ mass difference in Little Higgs model
• LHC Signals for Coset Electroweak Gauge Bosons in Warped/Composite PGB Higgs Models
• $b\to s\gamma$ in Littlest Higgs Model
• Top Partners Searches and Composite Higgs Models
• Search for Long-Lived Doubly-Charged Higgs Bosons in p-pbar Collisions at sqrt{s} = 1.96 TeV
• Distinguishing Little-Higgs Product and Simple Group models at the LHC and ILC
• Loop Induced Single Top Partner Production and Decay at the LHC
• Search for High Mass Resonances Decaying to Muon Pairs in $\sqrt{s}=1.96$ TeV $p\bar{p}$ Collisions
• Measuring Trilinear Higgs Coupling in $WHH$ and $ZHH$ Productions at the HL-LHC
• Testing the Littlest Higgs Model with T-parity at the Large Hadron Collider
• Impact of Single-Top Measurement to Littlest Higgs Model with T-Parity
• Electroweak Baryogenesis, CDM and Anomaly-free Supersymmetric U(1)-prime Models
• Theoretical and experimental status of rare charm decays
• Top Partner Discovery in the $T\to tZ$ channel at the LHC
• The Littlest Higgs boson at a photon collider
• Probing Minimal Flavor Violation at the LHC
• T-Anomaly Induced LHC Signals
• Search for a W' boson decaying to a muon and a neutrino in pp collisions at sqrt(s) = 7 TeV
• Littlest Higgs model and associated ZH production at high energy $e^{+}{e}^{-}$ collider
• Search for massive WH resonances decaying into the l nu b anti-b final state at sqrt(s) = 8 TeV
• Higgs Discovery through Top-Partners using Jet Substructure
• The right-handed sneutrino as thermal dark matter in U(1) extensions of the MSSM
• Little Higgses and Turtles
• Search for heavy quarks decaying into a top quark and a W or Z boson using lepton + jets events in pp collisions at sqrt(s) = 7 TeV
• Combination of CMS searches for heavy resonances decaying to pairs of bosons or leptons
• Some consequences of a Higgs triplet
• Light pseudoscalar eta and H->eta eta decay in the simplest little Higgs mode
• The $H^{\pm }{W}^{\mp }{Z}^0$ vertex and single charged Higgs boson production via $WZ$ fusion at the Large Hadron Collider
• Next-to-Leading Order Cross Sections for New Heavy Fermion Production at Hadron Colliders
• Two-portal Dark Matter
• Rompimiento de la Simetria Electrodebil y la Fisica del Higgs: Conceptos Basicos
• Flavor-Changing Top Quark Rare Decays in the Littlest Higgs Model with T-Parity
• Exotic Signals of Vectorlike Quarks
• Top Quark FCNC Decay to 125GeV Higgs boson in the Littlest Higgs Model with T-parity
• Phenomenology of Top Partners at the ILC
• Invisible Higgs boson decay in the littlest Higgs model with T-parity
• Production of htt_bar and htT_bar in littlest Higgs model with T-parity
• Little M-theory
• A Pedagogical Review of Electroweak Symmetry Breaking Scenarios
• Determination of Littlest Higgs model parameters at the ILC
• Exclusive B-> M ν\barν (M= π, K, ρ, K^*) Decays and Leptophobic Z^\prime Model
• Higgs and Z-boson FCNC decays correlated with B-meson decays in littlest Higgs model with T-parity
• Discovery in Drell-Yan Processes at the LHC
• Lepton flavor violation in the Simplest Little Higgs model
• Electroweak Phase Transition in the U(1)' MSSM
• Exotic Top Partners and Little Higgs
• Higgs Couplings and Naturalness
• Exploring the heavy quark sector of the Bestest Little Higgs model at the LHC
• Higgs boson decays and production via gluon fusion at LHC in littlest Higgs models with T-parity
• D-\bar D mixing and rare D decays in the Littlest Higgs model with non-unitarity matrix
• In search of an unbiased temperature estimator for statistically poor X-ray spectra
• Top quark FCNC decays and productions at LHC in littlest Higgs model with T-parity
• Potential for measuring the H^\pm W^\mp Z^0 vertex from WZ fusion at the Large Hadron Collider
• Higgs boson productions at LHC as a probe of different littlest Higgs models with T-parity
• Search for a light extra gauge boson in Littlest Higgs model at a linear collider
• Higgs boson decays in the littlest Higss model
• Higgs couplings and Naturalness in the littlest Higgs model with T-parity at the LHC and TLEP
• T-parity, its problems and their solution
• Multijet Discriminators for New Physics in Leptonic Signals at the LHC
• Disentangling new physics effects on non-resonant Higgs boson pair production from gluon fusion
• Production and Decays of $W_R$ bosons at the LHC
• Search for single vector-like quarks in ppbar collisions at sqrt(s) = 1.96 TeV
• Vector Leptons in the Higgs Triplet Model
• Lone Higgs at the LHC
• The LHC di-photon Higgs signal predicted by little Higgs models
• Associated single photons as signals for a doubly charged scalar at linear e-e- colliders
• Search for a heavy vector resonance decaying to a Z boson and a Higgs boson in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Cancellation in Dark Matter-Nucleon Interactions: the Role of Non-Standard-Model-like Yukawa Couplings
• Triangulating an exotic T quark
• Same-sign single dilepton productions at the LHC
• Neutrino Masses in the Composite Little Higgs Model
• Antimatter cosmic rays from dark matter annihilation: First results from an N-body experiment
• Lepton number violation in Little Higgs model
• Muon Anomalous Magnetic Moment in a Supersymmetric U(1)' Model
• A Detailed Analysis of Flavour-changing Decays of Top Quarks as a Probe of New Physics at the LHC
• The Study of the contribution of the LHT model to $Zb\bar{b}$ coupling
• Top Partner Probes of Extended Higgs Sectors
• Searching for high speed long-lived charged massive particles at the LHC
• Little composite dark matter
• Search for resonant $WZ\to \ell \nu {\ell }^{\prime }{\ell }^{\prime }$ production in proton$-$proton collisions at $\sqrt{\mathbf{s}}=13$ TeV with the ATLAS detector
• Little Higgs, Non-standard Higgs, No Higgs and All That
• Single production of the doubly charged scalar in the littlest Higgs model
• Single production of new gauge bosons from the littlest Higgs model at the $TeV$ energy $e^{-}\gamma$ colliders
• A concise review on some Higgs-related new physics models in light of current experiments
• Probing the gauge bosons $Z^{\prime }$ and $B^{\prime }$ from the Littlest Higgs model in the high-energy linear $e^{+}{e}^{-}$ colliders
• The oblique parameters in the 2HDM with Vector-Like Quarks: Confronting $M_W$ CDF-II Anomaly
• Unitarity constraints on top quark signatures of Higgsless models
• Nondecoupling of a terascale isosinglet quark and rare K and B decays
• Higgs production at future $e^{+}{e}^{-}$ colliders in the Georgi-Machacek model
• The effects of the little Higgs models on $t\bar{t}{h}^0$ production via $\gamma \gamma$ collision at linear colliders
• The littlest Higgs is a cruiserweight
• Search for heavy resonances decaying into a vector boson and a Higgs boson in final states with charged leptons, neutrinos and b quarks at $\sqrt{s}=$ 13 TeV
• Muon to electron conversion in the Littlest Higgs model with T-parity
• Vectorlike leptons and long-lived bosons at the LHC
• The Planck Scale from Top Condensation
• Associated production of a single heavy T-quark in the littlest and simplest little Higgs models
• Search for supersymmetry in final states with a single lepton, b-quark jets, and missing transverse energy in proton-proton collisions at sqrt(s) = 7 TeV
• Lepton Flavor Changing Higgs decays in the Littlest Higgs Model with T-parity
• Flavor violation in chromo- and electromagnetic dipole moments induced by $Z^{\prime }$ gauge bosons and a brief revisit of the Standard Model
• Measuring the Higgs Boson Self-coupling at High Energy e^+e^- Colliders
• Looking for a vectorlike B quark at LHC using jet substructure
• The lightest Higgs boson production at photon colliders in the 2HDM-III
• LHC signatures of vector-like quarks
• Search for pair production of the heavy vectorlike top partner in same-sign dilepton signature at the HL-LHC
• Testing a U(1) Solution to the Mu Problem
• Study of the lepton flavor-violating $Z^{\prime }\to \tau \mu$ decay
• Bilepton and exotic quark mass limits in 331 models from Z -> b anti-b decay
• Probing signals of the littlest Higgs model via the $WW$ fusion processes at the high energy $e^{+}{e}^{-}$ collider
• Precision Measurements of Little Higgs Parameters at the International Linear Collider
• Higgs production and decay in the little Higgs model
• Effects of the littlest Higgs model with T-parity on Higgs boson production at high energy $e^{+}{e}^{-}$ colliders
• New gauge boson $B_H$ production associated with W boson pair via $\gamma \gamma$ collision in the littlest Higgs model
• Probing the mechanism of EWSB with a rho parameter defined in terms of Higgs couplings
• Broken electroweak phase at high temperature in the Littlest Higgs model with T-parity
• How large can the Light Quark Yukawa couplings be?
• Hadron Collider Searches for Diboson Resonances
• New (virtual) Physics in the Era of the LHC
• ZZH coupling : A probe to the origin of EWSB ?
• Associated production of the Higgs boson and a single top quark in the littlest Higgs model at Large Hadron Collier
• Status and Prospects of the Two-Higgs-Doublet SU(6)/Sp(6) little-Higgs Model and the Alignment Limit
• The correction of the littlest Higgs model to the Higgs production process $e^{+}{e}^{-}\to e^{+}{e}^{-}H$ at the ILC
• Higgs boson pair production process $e^{+}{e}^{-}\to ZHH$ in the littlest Higgs model at the ILC
• Single production of the vector-like top quark in the littlest Higgs model at TeV energy $e^{-}\gamma$ colliders
• The fate of the Littlest Higgs Model with T-parity under 13 TeV LHC Data
• Model Discrimination at the LHC: a Case Study
• Higgs boson decays and production in the left-right twin Higgs model
• Measuring Top Squark Interactions With The Standard Model Through Associated Production
• Early LHC bound on W' boson in the nonuniversal gauge interaction model
• Top quark rare three-body decays in the littlest Higgs model with T-parity
• Differentiating $U(1{)}^{\prime }$ supersymmetric models with right sneutrino and neutralino dark matter
• Vector-like quarks and heavy coloured bosons at the LHC
• Higgs boson production in photon-photon collision at ILC: a comparative study in different little Higgs models
• Dynamical Electroweak Superconductivity from a Composite Little Higgs
• Z' boson mass reach and model discrimination at muon colliders
• Signals of a New Gauge Boson from IceCube and Muon $g-2$
• The littlest Higgs model and Higgs boson associated production with top quark pair at high energy linear $e^{+}{e}^{-}$ collider
• tbW vertex in the Littlest Higgs Model with T-parity
• New gauge bosons from the littlest Higgs model and the process $e^{+}{e}^{-}\to t\bar{t}$
• Pair production of charged scalars and lepton flavor violating signals in the littlest Higgs model at $e^{+}{e}^{-}$ colliders
• $W_H$-pair Production in the Littlest Higgs Model with T parity in next-to-leading order QCD at LHC
• Particle Physics at the LHC Start
• Distinguishing Between Models with Extra Gauge Bosons at the ILC
• On the flavor structure of the littlest Higgs model
• Left-right twin Higgs model confronted with the latest LHC Higgs data
• W physics at the ILC with polarized beams as a probe of the Littlest Higgs Model
• Constraining the $3-3-1$ model with heavy neutral leptons using $(g-2{)}_{\mu }$ and dark matter observables
• $Z_L$ associated pair production of charged Higgs bosons in the littlest Higgs model at $e^{+}{e}^{-}$ colliders
• Top quark induced vacuum misalignment in little higgs models
• Scalar Loops in Little Higgs Models
• Polarization of top quark in vector-like quark decay
• Vector Quarks in the Higgs Triplet Model
• Higgs boson production and decay at $e^{+}{e}^{-}$ colliders as a probe of the Left-Right twin Higgs model
• Single production of heavy top quark from the three-site Higgsless model
• Flavor changing top quark decay and bottom-strange production in the littlest Higgs model with T-parity
• The Higgs effective potential in the Littlest Higgs model at the one-loop level
• The $Z_H\to \gamma H$ decay in the Littlest Higgs Model
• The Full Lepton Flavor of the Littlest Higgs Model with T-parity
• Little Higgs model effects at $\gamma \gamma$ collider
• Darkening the Little Higgs
• Little Higgs models and single top production at the LHC
• Probing lepton flavor violation signal via e+ e- (gamma gamma) ---> l(i) anti-l(j) in the littlest Higgs model with T-parity at the ILC
• Hidden fine tuning in the quark sector of little higgs models
• Probing $W_L^{\prime }WH$ and $W_R^{\prime }WH$ Interaction at LHC
• Radiative decays Z_H-> V_i Z (V_i=γ, Z) in little Higgs models
• Single Higgs boson production at the ILC in the left-right twin Higgs model
• Phenomenology of the Littlest Higgs model
• On electroweak baryogenesis in the littlest Higgs model with T parity
• Charged Higgs Production in Association With W^{\pm} at Large Hadron Colliders
• Single production of charged gauge bosons from little Higgs models in association with top quark at the $LHC$
• Coupling Extraction From Off-Shell Cross-sections
• Gaugephobic Higgs Signals at the LHC
• Direct search limits on the Littlest Higgs model
• Pair production of the singlet vector-like B quark at the CLIC
• Neutrino mass and lepton number violation in the Little Higgs model
• A heavy Higgs boson from flavor and electroweak symmetry breaking unification
• One-loop effects on top pair production in the littlest Higgs model with T-parity at the LHC
• Radiative corrections to the Higgs potential in the LH model
• QCD corrections to the production of $t\bar{t}\gamma$ at the ILC
• Combination of searches for singly and doubly charged Higgs bosons produced via vector-boson fusion in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Single production of vectorlike quarks with charge 5/3 at the 14 TeV LHC
• Testing the Littlest Higgs Model with T-parity in Bottom Quark Pair Production at High Energy Photon Colliders
• On the electroweak symmetry breaking in the Littlest Higgs model
• Probing the lightest new gauge boson $B_H$ in the littlest Higgs model via the processes $\gamma \gamma \to f\bar{f}{B}_H$ at the ILC
• Fermion Resonances in Quiver Theories with a pNGB Higgs
• Top quark pair production via $e^{+}{e}^{-}$ collision in the littlest Higgs model with T-parity at the ILC
• On-shell $WW\gamma$ vertex in the T-Parity and non T-Parity Littlest Higgs model
• Flavor and electroweak symmetry breaking at the TeV scale
• Study of V_LV_L to t tbar at the ILC Including O(alpha_s) QCD Corrections
• Weak dipole moments of heavy fermions with flavor violation induced by $Z^{\prime }$ gauge bosons
• Theoretical point of view on Cabibbo angle anomaly
• Little Higgs model with new Z-parity and Dark matter
• Optimal observables for $Z^{\prime }$ models in annihilation leptonic processes
• High $P_T$ Higgs excess as a signal of non-local QFT at the LHC
• Little Higgs and precision electroweak tests
• Exclusion of heavy, broad resonances from precise measurements of WZ and VH final states at the LHC
• Search for $W^{\prime }$ signal in single top quark production at LHC
• Dark Matter and Collider Searches in $S_3$-Symmetric 2HDM with Vector Like Leptons
• Probing the littlest Higgs model with $T$ parity using di-Higgs events through $Z_H$-pair production at the LHC in NLO QCD
• R_b Constraints on Littlest Higgs Model with T-parity
• Probing Little Higgs Model in e+ e- --> nu nubar gamma Process
• Lepton Flavour Violating Decays in the Littlest Higgs Model with T-Parity
• Decays of the Littlest Higgs Z_H and the Onset of Strong Dynamics
• Vector-like quark doublets, weak-basis invariants and CP violation
• Ultraheavy diquark decaying into vectorlike quarks at the LHC
• Single production of the gauge boson $W$ via polarized $e^{-}\gamma$ collisions in the littlest Higgs model
• Littlest Higgs model and top-charm production at high-energy linear colliders
• Dissecting new physics models through kinematic edges
• Stellar energy loss rates in the pair-annihilation process beyond the standard model
• The neutral heavy scalar productions associated with $Z_L$ in the littlest Higgs model at ILC and CLIC
• The new charged gauge boson $W^{\prime }$ and the subprocess $eq\to \nu q^{\prime }$ at $e^{+}{e}^{-}$ and $ep$ colliders
• $E_6$ Models in Light of Precision $M_W$ Measurements
• Probing doubly charged scalar bosons from the doublet at future high-energy colliders
• Top quark physics in the Large Hadron Collider era
• The flavor-changing bottom-strange quark production in the littlest Higgs model with T parity at the ILC
• Searching for Higgs : From LEP towards LHC
• Pair production of the heavy leptons associated with a gauge boson gamma or Z at the ILC
• Emergent 2HDM in LSS Little-Higgs: Musings from Flavor and Electroweak Physics
• Doubly charged Higgs boson at same-sign lepton colliders
• Heavy neutral pseudoscalar decays into gauge bosons in the Littlest Higgs Model
• Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at sqrt(s) = 8 TeV
• Radiative decays of a singlet scalar boson through vector-like quarks
• The correction of the littlest Higgs model to the Higgs production process $e^{-}\gamma \to {\nu }_e{W}^{-}H$ in $e^{-}\gamma$ collisions
• Charged Lepton Flavour Violation in Littlest Higgs model with T-parity
• Spacetime Conformal Fluctuations and Quantum Dephasing
• Measurement of Higgs-boson self-coupling with single-Higgs and double-Higgs production channels
• Electroweak Symmetry Breaking Beyond the Standard Model
• Radiative decay Z_H-> γA_H in the little Higgs model with T-parity
• A Not So Little Higgs?
• Heavy neutral scalar decays into electroweak gauge bosons in the Littlest Higgs Model
• $Z_H\to H^0\gamma$ decay within the littlest Higgs model at $\mathcal{O}({\alpha }_{\mathrm{ew}}^3{\alpha }_s)$ accuracy
• Towards the effective potential of the Littlest Higgs model
• Associated $Z^0{H}^0$ production with leptonic decays at LHC in next-to-leading order QCD
• The production of the new gauge boson $B_H$ via $e^{-}\gamma$ collision in the littlest Higgs model
• Concluding Talk: A Theorist Overview on Particle Physics
• Multi-top signals of vectorlike quarks at the LHC
• One-loop QCD correction to top pair production in the littlest Higgs model with T-parity at the LHC
• Searching for single production of vectorlike quarks decaying into Wb at a future muon-proton collider
• Impact of hidden heavy Higgs channels of VLB-Quarks below 1 TeV in 2HDM
• The associated productions of the new gauge boson $B_H$ in the littlest Higgs model with a SM gauge boson via $e^{+}{e}^{-}$ collision
• Constraining parameter space of the Little Higgs model by data of tera-Z factory and ILC
• Signals for vector-like leptons in an $S_3$-symmetric 2HDM at ILC
• Associated production of the heavy charged gauge boson $W_H$ and a top quark at LHC
• LHC probes of the 10 TeV scale
• From Tree Unitarity to Top Quark Physics in 5D Higgsless Models
• Searching in 2-Dimensional Mass Space for Final States with 2 Invisible Particles
• Rare Higgs three body decay induced by top-Higgs FCNC coupling in the littlest Higgs Model with T-parity
• On signatures for the Littlest Higgs model in electron-positron colliders
• $HZ$ associated production at the LHC within the littlest Higgs model at NLO+NLL accuracy
• The Electroweak Symmetry Breaking Riddle
• A new and gauge-invariant Littlest Higgs model with T-parity
• The Sensitivity of Higgs Factories to Composite Higgs Models via Precision Measurements