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Related papers: Kaluza-Klein Effects on Higgs Physics in Universal…

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The recent up to 2fb^{-1} of data from the ATLAS and CMS experiments at the CERN Large Hadron Collider at 7TeV put an upper bound on the production cross section of a Higgs-like particle. We translate the results of the H -> WW -> l nu l nu…

High Energy Physics - Phenomenology · Physics 2015-05-30 Kenji Nishiwaki , Kin-ya Oda , Naoya Okuda , Ryoutaro Watanabe

In the framework of the large extra dimensions (LED) model, the effects of LED on the processes \rrtth and \eetth at future linear colliders are investigated in both polarized and unpolarized collision modes. The results show that the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Sun Hao , Zhang Ren-You , Zhou Pei-Jun , Ma Wen-Gan , Jiang Yi , Han Liang

We calculate the contributions of the Kaluza-Klein (KK) modes to the K_L-K_S mass difference \Delta M_K, the parameter \epsilon_K, the B^0_{d,s}-\bar B^0_{d,s} mixing mass differences \Delta M_{d,s} and rare decays K^+\to \pi^+\nu\bar\nu,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrzej J. Buras , Michael Spranger , Andreas Weiler

Higgs boson production by the gluon fusion and its decay into two photons at the LHC are investigated in the context of the gauge-Higgs unification scenario. The qualitative behaviors for these processes in the gauge-Higgs unification are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nobuhito Maru , Nobuchika Okada

The Higgs sector of the Universal Extra Dimensions (UED) has a rather involved setup. With one extra space dimension, the main ingredients to the construct are the higher Kaluza-Klein (KK) excitations of the Standard Model Higgs boson and…

High Energy Physics - Phenomenology · Physics 2014-11-20 Priyotosh Bandyopadhyay , Biplob Bhattacherjee , AseshKrishna Datta

In the universal extra dimensions (UED) scenario, the tree level masses of the first level Kaluza-Klein (KK) excitations of Standard Model particles are essentially degenerate. Radiative corrections will, however, lift this degeneracy,…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Macesanu , C. D. McMullen , S. Nandi

Within a minimal extension of the SM in 4+1 dimensions, we study how Kaluza Klein excitations of the SM gauge bosons affect the electroweak precision observables. Asymmetries in Z decays provide the dominant bound on the compactification…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Strumia

We study the bounds states of the Kaluza-Klein (KK) excitations of quarks in models of Universal Extra Dimensions. Such bound states may be detected at future lepton colliders in the cross section for the pair-production of KK-quarks near…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marc Sher

We investigate contributions of Kaluza-Klein (KK) graviton in extra dimension models to the process $pp \to p\gamma p \to p\gamma j X$, where a proton emits a quasireal photon and is detected by using the very forward detectors planned at…

High Energy Physics - Phenomenology · Physics 2015-06-19 Gi-Chol Cho , Takanori Kono , Kentarou Mawatari , Kimiko Yamashita

In the universal extra dimensions models, Kaluza Klein excitations of matter are generaly produced in pairs. However, if matter lives on a fat brane embedded in a larger space, gravity-matter interactions do not obey KK number conservation,…

High Energy Physics - Phenomenology · Physics 2009-11-10 Cosmin Macesanu , Satyanarayan Nandi , Marius Rujoiu

The prospect of large extra dimensions and an effective theory of gravity at around a TeV has interesting experimental consequences. In these models, the Kaluza-Klein modes interact with Standard Model particles and these interactions lead…

High Energy Physics - Phenomenology · Physics 2009-10-31 Prakash Mathews , Sreerup Raychaudhuri , K. Sridhar

We study the bound states of the Kaluza-Klein (KK) excitations of quarks in certain models of Universal Extra Dimensions. Such bound states may be detected at future lepton colliders in the cross section for the pair production of KK-quarks…

High Energy Physics - Phenomenology · Physics 2009-11-10 Christopher D. Carone , Justin M. Conroy , Marc Sher , Ismail Turan

In our previous paper, we have investigated effects of a simple gauge-Higgs unification model on the diphoton signal events from the Higgs boson production at the Large Hadron Collider. We have found that in this model the effective…

High Energy Physics - Phenomenology · Physics 2013-08-28 Nobuhito Maru , Nobuchika Okada

A major focus at the Large Hadron Collider (LHC) will be Higgs boson studies and it would be an interesting prospect to simultaneously probe for physics beyond the Standard Model (SM) in the Higgs signals. In this work we show as to what…

High Energy Physics - Phenomenology · Physics 2008-11-26 Santosh Kumar Rai

Universal extra dimensions, presumably observable at some high-energy scale, would modify low-energy observables, being particularly relevant for physical processes forbidden at tree level by the Standard Model. We address the Kaluza-Klein…

High Energy Physics - Phenomenology · Physics 2020-01-12 Javier Montaño , Héctor Novales-Sánchez , J. Jesús Toscano

In this paper we investigate the phenomenological implications of boundary localized terms (BLTs) in the model of Universal Extra Dimensions (UED). In particular, we study the electroweak Kaluza-Klein mass spectrum resulting from BLTs and…

High Energy Physics - Phenomenology · Physics 2009-11-13 Thomas Flacke , A. Menon , Daniel J. Phalen

We investigate the effect induced by the Kaluza-Klein (KK) graviton in the $W^+W^-\gamma/Z$ production in the framework of the large extra dimensions (LED) model at both the CERN Large Hadron Collider (LHC) and the International Linear…

High Energy Physics - Phenomenology · Physics 2012-11-08 Li Xiao-Zhou , Duan Peng-Fei , Ma Wen-Gan , Zhang Ren-You , Guo Lei

We discuss in detail the information on large extra dimensions which can be derived in the framework of stellar evolution theory and observation. The main effect of large extra dimensions arises from the production of the Kaluza-Klein (KK)…

Astrophysics · Physics 2016-08-30 S. Cassisi , V. Castellani , S. Degl'Innocenti G. Fiorentini , B. Ricci

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

The Universal Extra Dimensions model has been implemented in the Pythia generator from version 6.4.18 onwards, in its minimal formulation with one inverse-TeV-sized extra dimension. The additional possibility of gravity-mediated decays,…

High Energy Physics - Phenomenology · Physics 2009-12-04 M. ElKacimi , D. Goujdami , H. Przysiezniak , P. Skands