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Related papers: W' production at the LHC in the 4-site Higgsless m…

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We study the phenomenology of the neutral gauge sector of the four-site Higgsless model, based on the SU(2)_L x SU(2)_1 x SU(2)_2 x U(1)_Y gauge symmetry, at present colliders. The model predicts the existence of two neutral and four…

High Energy Physics - Phenomenology · Physics 2011-02-25 Elena Accomando , Stefania De Curtis , Daniele Dominici , Luca Fedeli

We consider the four-site Higgsless model, which predicts the existence of four charged and two neutral extra gauge bosons, $W_{1,2}^\pm$ and $Z_{1,2}$. In contrast to other Higgsless models, characterized by fermiophobic extra gauge…

High Energy Physics - Phenomenology · Physics 2010-11-11 E. Accomando , S. De Curtis , D. Dominici , L. Fedeli

We present a new complete analysis of the electroweak precision observables within the recently proposed 4-site Higgsless model, which is based on the SU(2)_L x SU(2)_1 x SU(2)_2 x U(1)_Y gauge symmetry and predicts six extra gauge bosons,…

High Energy Physics - Phenomenology · Physics 2015-03-19 Elena Accomando , Diego Becciolini , Stefania De Curtis , Daniele Dominici , Luca Fedeli

We study the phenomenological consequences of a four site Higgsless model based on the SU(2)_L x SU(2)_1 x SU(2)_2 x U(1)_Y gauge symmetry, which predicts two neutral and four charged extra gauge bosons, Z_{1,2} and W_{1,2}. The model…

High Energy Physics - Phenomenology · Physics 2010-02-12 Stefania De Curtis

We consider a four site Higgsless model based on the $SU(2)_L\times SU(2)_1\times SU(2)_2\times U(1)_Y$ gauge symmetry, which predicts two neutral and four charged extra gauge bosons, $Z_{1,2}$ and $W^\pm_{1,2}$. We compute the properties…

High Energy Physics - Phenomenology · Physics 2009-11-13 E. Accomando , S. De Curtis , D. Dominici , L. Fedeli

In extensions of the Standard Model with compactified extra dimensions, perturbative unitarity of the longitudinal gauge bosons is maintained through the contribution of heavy KK excitations of the gauge fields, without the necessity of…

High Energy Physics - Phenomenology · Physics 2012-01-10 Fabian Bach , Thorsten Ohl

We examine direct limits on masses of the extra neutral gauge bosons in the SU(4)_L \times U(1)_X model with a little Higgs mechanism confronted with the LHC data, especially by embedding anomaly-free set of fermions. There exist two extra…

High Energy Physics - Phenomenology · Physics 2015-08-18 Kang Young Lee , Soo-hyeon Nam

We study the production of the heavy W' and Z' bosons in the three site higgsless model at the LHC. We focus on the s-channel production mode to estimate the prospects for measuring their suppressed couplings to standard model fermions.

High Energy Physics - Phenomenology · Physics 2009-02-23 Thorsten Ohl , Christian Speckner

We explore the discovery potential of W' and Z' boson searches for various SU(2) x SU(2) x U(1) models at the Large Hadron Collider (LHC), after taking into account the constraints from low energy precision measurements and direct searches…

High Energy Physics - Phenomenology · Physics 2012-11-14 Qing-Hong Cao , Zhao Li , Jiang-Hao Yu , C. -P. Yuan

We present a search for Higgs boson in final states with two oppositely charged leptons and large missing transverse energy as expected in H -> WW -> lvlv decays. The events are selected from the full Run II data sample of 9.7 fb-1 of ppbar…

High Energy Physics - Experiment · Physics 2013-09-20 D0 Collaboration

In this article, a search for signatures of the hypothetical new heavy charged gauge boson $W'$ in proton-proton collisions at the Large Hadron Collider (LHC) with center-of-mass energy range from 6 to 14 TeV and in proton-antiproton…

High Energy Physics - Phenomenology · Physics 2014-08-11 Nady Bakhet , Tarek Hussein , Maxim Yu. Khlopov

We study the LHC signatures of new gauge bosons in the gauge-invariant minimal Higgsless model. It predicts an extra pair of W_1 and Z_1 bosons which can be as light as ~400GeV and play a key role in the delay of unitarity violation. We…

We study the production of top-antitop pairs at the Large Hadron Collider as a testbed for discovering heavy Z' bosons belonging to a composite Higgs model, as, in this scenario, such new gauge interaction states are sizeably coupled to the…

High Energy Physics - Phenomenology · Physics 2014-09-10 D. Barducci , S. De Curtis , K. Mimasu , S. Moretti

In this paper we compare $H^+H^-$ and $W^+W^-$ into four-fermion production at centre-of-mass energies typical of LEP2 and somewhat larger. The theoretical framework considered is the Minimal Supersymmetric Standard Model. The interest in…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Moretti , K. Odagiri

We perform a detailed hadron-level study on the sensitivity of Higgs boson pair production via the $WW^{*}WW^{*}$ channel with the final state $3 \ell 2 j$ + missing $E_T$ at the LHC with the collision energy $\sqrt{S} = 14$ TeV and a…

High Energy Physics - Phenomenology · Physics 2015-07-22 Qiang Li , Zhao Li , Qi-Shu Yan , Xiaoran Zhao

We study the new heavy charged gauge boson W' in various models including Left-Right symmetric, Little Higgs, Randall-Sundrum and universal extra dimension model considering pp \rightarrow W' \rightarrow lepton + neutrino with the 7 TeV and…

High Energy Physics - Phenomenology · Physics 2011-09-12 DongHee Kim , Youngdo Oh , Seong Chan Park

We investigate the prospects for heavy charged Higgs boson production through the mechanisms pp-bar(pp)->tbH+ +X at the upgraded Fermilab Tevatron and at the upcoming LHC collider at CERN respectively. We focus on the MSSM case at high…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alexander Belyaev , David Garcia , Jaume Guasch , Joan Sola

We investigate the production of a heavy charged Higgs boson at hadron colliders within the context of the MSSM. A detailed study is performed for all important production modes and basic background processes for the t\bar{t}b\bar{b}…

High Energy Physics - Phenomenology · Physics 2009-11-07 Alexander Belyaev , David Garcia , Jaume Guasch , Joan Sola

We study the physics potential of the 8TeV LHC (LHC-8) to discover, during its 2012 run, a large class of extended gauge models or extra dimensional models whose low energy behavior is well represented by an SU(2)^2 x U(1) gauge structure.…

High Energy Physics - Phenomenology · Physics 2012-11-12 Chun Du , Hong-Jian He , Yu-Ping Kuang , Bin Zhang , Neil D. Christensen , R. Sekhar Chivukula , Elizabeth H. Simmons

The first search for a heavy charged vector boson in the final state with a tau lepton and a neutrino is reported, using 19.7 inverse femtobarns of LHC data at sqrt(s) = 8 TeV. A signal would appear as an excess of events in kinematic…

High Energy Physics - Experiment · Physics 2016-11-30 CMS Collaboration
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