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We study the top pair production cross section at the LHC in the context of Randall-Sundrum model including the Kaluza-Klein (KK) excited gravitons. It is shown that the recent measurement of the cross section of this process at the LHC…

High Energy Physics - Phenomenology · Physics 2015-03-19 Seyed Yaser Ayazi , Mojtaba Mohammadi Najafabadi

In extra dimensional models with Kaluza-Klein graviton states that are well separated in mass, such states may be observed as resonances in collider experiments. We extend previous works on such scenarios by considering the one-loop…

High Energy Physics - Phenomenology · Physics 2010-04-15 Jordan P. Skittrall

The Neutral $Z$ boson pair production due to radion resonance at the Large Hadron Collider (LHC) is an interesting process to explore the notion of warped geometry (Randall-Sundrum model). Because of the enhanced coupling of radion with a…

High Energy Physics - Phenomenology · Physics 2009-11-11 Prasanta Kumar Das

In Randall-Sundrum models, the Kaluza-Klein (KK) excitations of the gluon, g_{KK} have enhanced couplings to the right-handed quarks. In the absence of a gg g_{KK} coupling in these models, the single production of a g_{KK} from an initial…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Guchait , F. Mahmoudi , K. Sridhar

We investigate the double Higgs production and decay at the $14~ {\rm TeV}$ LHC and $33~ {\rm TeV}$ HE-LHC in both the standard model and Randall-Sundrum (RS) model. In our calculation we consider reasonably only the contribution of the…

High Energy Physics - Phenomenology · Physics 2016-03-08 Zhang Wen-Juan , Ma Wen-Gan , Zhang Ren-You , Li Xiao-Zhou , Guo Lei , Chen Chong

In search of extra dimensions in the ongoing LHC experiments, signatures of Randall-Sundrum (RS) lightest KK graviton have been one of the main focus in recent years. The recent data from the dilepton decay channel at the LHC has determined…

High Energy Physics - Theory · Physics 2016-08-24 Ashmita Das , Soumitra SenGupta

In this paper, triple neutral electroweak gauge boson production processes, viz. \gamma\gamma\gamma, \gamma\gamma Z, \gamma ZZ and ZZZ productions merged to 1-jet have been studied at the leading order in QCD in the context of…

High Energy Physics - Phenomenology · Physics 2015-12-09 Goutam Das , Prakash Mathews

We study the single graviton production at the CERN LHC using the $k_T$-factorization approach of QCD. We consider the Arkani-Hamed-Dimopoulos-Dvali scenario and Randall-Sundrum model with one warped extra-dimension and derive the…

High Energy Physics - Phenomenology · Physics 2017-05-24 A. V. Lipatov , M. A. Malyshev

We consider the Randall-Sundrum extra dimensional model with fields propagating in the bulk based on an extended electroweak gauge symmetry with specific fermion charges and localizations that allow to explain the LEP anomaly of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdelhak Djouadi , Gregory Moreau , Ritesh K. Singh

We study the $W^+W^-\gamma(Z)$ productions at both the CERN Large Hadron Collider (LHC) and the Compact Linear Collider (CLIC) in the framework of the Randall-Sundrum (RS) model. The impacts of the virtual RS Kaluza-Klein (KK) graviton on…

High Energy Physics - Phenomenology · Physics 2013-03-27 Li Xiao-Zhou , Ma Wen-Gan , Zhang Ren-You , Guo Lei

The Kaluza-Klein excitations of gluons offer the exciting possibility of probing bulk Randall-Sundrum (RS) models. In these bulk models either a custodial symmetry or a deformation of the metric away from AdS is invoked in order to deal…

High Energy Physics - Phenomenology · Physics 2016-06-14 A. M. Iyer , F. Mahmoudi , N. Manglani , K. Sridhar

Measurements of the Higgs-boson production cross section at the LHC are an important tool for studying electroweak symmetry breaking at the quantum level, since the main production mechanism gg-->h is loop-suppressed in the Standard Model…

High Energy Physics - Phenomenology · Physics 2015-06-04 Marcela Carena , Sandro Casagrande , Florian Goertz , Ulrich Haisch , Matthias Neubert

In the Bulk Randall-Sundrum model, the Kaluza-Klein excitations of the gauge bosons are the primary signatures. In particular, the search for the Kaluza-Klein (KK) excitation of the gluon at hadron colliders is of great importance in…

High Energy Physics - Phenomenology · Physics 2010-03-19 B. C. Allanach , F. Mahmoudi , J. P. Skittrall , K. Sridhar

Scenarios seeking to address the issue of electroweak symmetry breaking often have heavy colored gauge bosons coupling preferentially to the top quark. Considering the bulk Randall-Sundrum as a typical example, we consider the prospects of…

High Energy Physics - Phenomenology · Physics 2024-04-09 Debajyoti Choudhury , Kuldeep Deka , Lalit Kumar Saini

We present a search strategy for the first Kaluza-Klein (KK) mode of the Higgs boson in the framework of the Randall-Sundrum (RS) model with a deformed metric. We study the production of this massive excitation in association with a ttbar…

High Energy Physics - Phenomenology · Physics 2020-01-08 N. Manglani , A. Misra , K. Sridhar

We reexamine the Randall-Sundrum (RS) model with enlarged gauge symmetry SU(2)_L x SU(2)_R x U(1)_X x P_LR in the presence of a brane-localized Higgs sector. In contrast to the existing literature, we perform the Kaluza-Klein (KK)…

High Energy Physics - Phenomenology · Physics 2010-09-15 Sandro Casagrande , Florian Goertz , Ulrich Haisch , Matthias Neubert , Torsten Pfoh

We study a purely leptonic signature of the Randall-Sundrum scenario with Standard Model fields in the bulk at LHC: the contribution from the exchange of Kaluza-Klein (KK) excitations of gauge bosons to the clear Drell-Yan reaction. We show…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Ledroit , G. Moreau , J. Morel

Perturbative unitarity for $\wlwl$ scattering is discussed within the Randall-Sundrum model. It is shown that the exchange of massive 4D Kaluza-Klein gravitons leads to amplitudes growing linearly with the CM energy squared. Summing over KK…

High Energy Physics - Phenomenology · Physics 2008-11-26 Bohdan Grzadkowski , John Gunion

In the Randall-Sundrum model, we study top-antitop pair production and top spin correlations at the Large Hadron Collider. In addition to the Standard Model processes, there is a new contribution to the top-antitop pair production process…

High Energy Physics - Phenomenology · Physics 2008-11-26 Masato Arai , Nobuchika Okada , Karel Smolek , Vladislav Simak

In the Randall-Sundrum (RS) scenario the compactification radius of the extra dimension is stabilized by the radion, which is a scalar field lighter than the graviton Kaluza-Klein states. It implies that the detection of the radion will be…

High Energy Physics - Phenomenology · Physics 2014-11-21 V. P. Goncalves , W. K. Sauter
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