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We analyze signals at the Large Hadron Collider (LHC) from production and decay of Kaluza-Klein (KK) gravitons in the context of "extended" warped extra-dimensional models, where the standard model (SM) Higgs and fermion fields are…

High Energy Physics - Phenomenology · Physics 2020-12-30 Kaustubh Agashe , Majid Ekhterachian , Doojin Kim , Deepak Sathyan

We study signals at the Large Hadron Collider (LHC) for the Kaluza-Klein (KK) excitations of electroweak charged gauge bosons in the framework of the Standard Model (SM) fields propagating in the bulk of a warped extra dimension. Such a…

High Energy Physics - Phenomenology · Physics 2009-11-06 Kaustubh Agashe , Shrihari Gopalakrishna , Tao Han , Gui-Yu Huang , Amarjit Soni

We study signals at the Large Hadron Collider (LHC) for Kaluza-Klein (KK) excitations of the electroweak gauge bosons in the framework with the Standard Model (SM) gauge and fermion fields propagating in a warped extra dimension. Such a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaustubh Agashe , Hooman Davoudiasl , Shrihari Gopalakrishna , Tao Han , Gui-Yu Huang , Gilad Perez , Zong-Guo Si , Amarjit Soni

In warped 5D models of hierarchy and flavor, the first Kaluza-Klein (KK) state of the graviton $G_1$ is heavy enough to decay into a photon and its first KK mode $\gamma_1$ on-shell: $G_1 \to \gamma_1 \gamma$. The volume-suppression of the…

High Energy Physics - Phenomenology · Physics 2015-04-16 Kaustubh Agashe , Chien-Yi Chen , Hooman Davoudiasl , Doojin Kim

We study production of Kaluza-Klein gluons (KKG) at the Large Hadron Collider (LHC) in the framework of a warped extra dimension with the Standard Model (SM) fields propagating in the bulk. We show that the detection of KK gluon is…

High Energy Physics - Phenomenology · Physics 2010-04-06 Kaustubh Agashe , Alexander Belyaev , Tadas Krupovnickas , Gilad Perez , Joseph Virzi

We study the production and decay of Kaluza-Klein (KK) gravitons at the Large Hadron Collider (LHC), in the framework of a warped extra dimension in which the Standard Model (SM) fields propagate. Such a scenario can provide solutions to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaustubh Agashe , Hooman Davoudiasl , Gilad Perez , Amarjit Soni

Loop-induced decay of a neutral Higgs boson into a pair of gluons or photons has great implications for the Higgs discovery at the LHC. If the Higgs boson is heavy with mass above $\sim 500\gev$, however, these radiative branching ratios…

High Energy Physics - Phenomenology · Physics 2012-03-13 Sanghyeon Chang , Kang Young Lee , Jeonghyeon Song

The framework of a warped extra dimension with the Standard Model (SM) fields propagating in it is a very well-motivated extension of the SM since it can address both the Planck-weak and flavor hierarchy problems of the SM. We consider…

Warped models with the Higgs in the bulk can generate light Kaluza-Klein (KK) Higgs modes consistent with the electroweak precision analysis. The first KK mode of the Higgs (h_{1}) could lie in the 1-2 TeV range in the models with a bulk…

High Energy Physics - Phenomenology · Physics 2016-12-21 F. Mahmoudi , U. Maitra , N. Manglani , K. Sridhar

The framework of a warped extra dimension with the Standard Model (SM) fields propagating in it is a very well-motivated extension of the SM since it can address both the Planck-weak and flavor hierarchy problems of the SM. Within this…

High Energy Physics - Phenomenology · Physics 2015-03-13 Kaustubh Agashe , Aleksandr Azatov , Tao Han , Yingchuan Li , Zong-Guo Si , Lijun Zhu

We investigate the LHC discovery prospects for a heavy Higgs boson decaying into the Standard Model Higgs boson and additional weak bosons. We consider a generic model-independent new physics configuration where this decay proceeds via a…

High Energy Physics - Phenomenology · Physics 2018-04-11 Baradhwaj Coleppa , Benjamin Fuks , P. Poulose , Shibananda Sahoo

A prospective analysis for the search of the Standard Model (SM) Higgs boson with the CMS detector is presented in the context of the early LHC data. The aim is to establish an analysis strategy for inclusive production of the Higgs boson…

High Energy Physics - Phenomenology · Physics 2008-10-09 Rebeca Gonzalez Suarez

We point out that the discovery of a light Higgs boson in the \gamma\gamma, ZZ and WW decay channels at the LHC, with cross sections not far from the predictions of the Standard Model, would have important implications for the parameters of…

High Energy Physics - Phenomenology · Physics 2015-06-03 Florian Goertz , Ulrich Haisch , Matthias Neubert

We study the Higgs boson $(h)$ decay to two light jets at the 14 TeV High-Luminosity-LHC (HL-LHC), where a light jet ($j$) represents any non-flavor tagged jet from the observational point of view. The decay mode $h\to gg$ is chosen as the…

High Energy Physics - Phenomenology · Physics 2017-03-15 Linda M. Carpenter , Tao Han , Khalida Hendricks , Zhuoni Qian , Ning Zhou

Besides supersymmetry, the other prime candidate of physics beyond the standard model (SM), crying out for verification at the CERN Large Hadron Collider (LHC), is extra-dimension. To hunt for effects of Kaluza-Klein (KK) excitations of…

High Energy Physics - Phenomenology · Physics 2014-11-18 Gautam Bhattacharyya , Anindya Datta , Swarup Kumar Majee , Amitava Raychaudhuri

New colorless electroweak (EW) charged spin-1 particles with mass of a few TeV arise in numerous extensions of the Standard Model (SM). Decays of such a vector into a pair of SM particles, either fermions or EW bosons, are well studied.…

High Energy Physics - Phenomenology · Physics 2019-04-24 Kaustubh Agashe , Jack H. Collins , Peizhi Du , Sungwoo Hong , Doojin Kim , Rashmish K. Mishra

The dominant decay mode of standard model Higgs at 126 GeV $b\bar{b}$ suffers from severe SM background at the LHC even in associated productions $Wh_{\rm SM}$ or $Z h_{\rm SM}$. The precision measurement of BR($\phi\to b\bar{b})$ requires…

High Energy Physics - Phenomenology · Physics 2013-01-01 Jiwei Ke , Hui Luo , Ming-xing Luo , Tian-yang Shen , Kai Wang , Liucheng Wang , Guohuai Zhu

A search for new heavy resonances decaying to a pair of Higgs bosons (HH) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. Data were collected with the CMS detector at the LHC in 2016-2018, corresponding to an…

High Energy Physics - Experiment · Physics 2022-05-17 CMS Collaboration

The cross section measurements of the Higgs boson production in the vector boson fusion (VBF) process at the LHC followed by a Higgs boson decay into tautau, WW and gamma gamma will significantly extend the possibility of Higgs boson…

High Energy Physics - Experiment · Physics 2014-11-18 Monica Vazquez Acosta

In the context of warped extra-dimensional models which address both the Planck-weak- and flavor-hierarchies of the Standard Model (SM), it has been argued that certain observables can be calculated within the 5D effective field theory only…

High Energy Physics - Phenomenology · Physics 2014-12-22 Kaustubh Agashe , Aleksandr Azatov , Yanou Cui , Lisa Randall , Minho Son
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