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Highly degenerate spectra associated with universal extra dimensions (UED) provide an interesting phenomenology not only from the point of view of cosmology and astrophysics, but also for colliders. We study these exotic signals for the…

High Energy Physics - Phenomenology · Physics 2015-06-30 Jose A. R. Cembranos , Jonathan L. Feng , Louis E. Strigari

We discuss the collider bounds on minimal Universal Extra Dimension (mUED) model from LHC Run-I and II data. The phenomenology of mUED is determined by only two parameters namely, the compactification scale ($R^{-1}$) of the extra dimension…

High Energy Physics - Phenomenology · Physics 2016-11-23 Debajyoti Choudhury , Kirtiman Ghosh

Universal Extra Dimension (UED) is a well-motivated and well-studied scenario. One of the main motivations is the presence of a dark matter (DM) candidate namely, the lightest level-1 Kaluza-Klein (KK) particle (LKP), in the particle…

High Energy Physics - Phenomenology · Physics 2021-06-16 Avnish , Kirtiman Ghosh , Tapoja Jha , Saurabh Niyogi

Universal Extra Dimension (UED) model is one of the popular extension of the Standard Model (SM) which offers interesting phenomenology. In the minimal UED (mUED) model, Kaluza-Klein (KK) parity conservation ensures that $n=1$ KK states can…

High Energy Physics - Phenomenology · Physics 2011-02-15 Biplob Bhattacherjee , Kirtiman Ghosh

We discuss the collider signatures of electroweak (1,0)-mode excitations in the framework of two universal extra dimension (2UED) at the LHC and ILC. In general, pair production of electroweak (1,0)-mode particles of 2UED gives rise to…

High Energy Physics - Phenomenology · Physics 2009-04-21 Kirtiman Ghosh

An interesting alternative to supersymmetry (SUSY) for extending physics beyond the Standard Model is a model with universal extra dimensions (UED), in which the SUSY superpartners are replaced by Kaluza-Klein excitations of the Standard…

High Energy Physics - Phenomenology · Physics 2010-04-06 Jennifer M. Smillie , Bryan R. Webber

Universal Extra Dimensions (UEDs) with compactification radius near the TeV scale provide interesting phenomenology at future colliders. The collider signals of the first Kaluza-Klein (KK) level are very similar to those of a supersymmetric…

High Energy Physics - Phenomenology · Physics 2011-03-23 Hsin-Chia Cheng

Minimal universal extra dimensions (mUED) is often thought to predict that the lightest Kaluza-Klein particle (LKP) is the Kaluza-Klein gauge boson B^1, leading to conventional missing energy signals at colliders and WIMP dark matter. In…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jose A. R. Cembranos , Jonathan L. Feng , Louis E. Strigari

In this work we discuss our consistent implementation of the minimal model of Universal Extra Dimensions in CalcHEP. We pay special attention to the gauge invariance issues that arise due to the incorporation of 5D quantum corrections.…

High Energy Physics - Phenomenology · Physics 2013-06-27 Alexander Belyaev , Matthew Brown , Jesús Moreno , Chloé Papineau

We report on the current status of non-minimal universal extra dimension (UED) models. Our emphasis is on the possible extension of the minimal UED model by allowing bulk masses and boundary localized terms. We take into account the data…

High Energy Physics - Phenomenology · Physics 2015-06-22 Thomas Flacke , Kyoungchul Kong , Seong Chan Park

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

We discuss the signatures, at the LHC, of the (1,0)-th Kaluza-Klein (KK) gluon and quarks in the framework of the two universal extra dimensional (2UED) model. Once produced, these particles typically suffer a cascade of decays terminating…

High Energy Physics - Phenomenology · Physics 2015-05-30 Debajyoti Choudhury , Anindya Datta , Dilip Kumar Ghosh , Kirtiman Ghosh

We study the collider phenomenology of non minimal universal extra dimensional (nmUED) model in the context of the Large Hadron Collider at CERN. nmUED is an incarnation of the Standard Model in $(4+1)$ space-time dimensions compactified on…

High Energy Physics - Phenomenology · Physics 2018-10-18 Nabanita Ganguly , Anindya Datta

We show bounds on five- and six-dimensional universal extra dimension (UED) models from the latest results of the Higgs searches at the LHC and from the electroweak precision data for the S and T parameters. We consider the minimal UED…

High Energy Physics - Phenomenology · Physics 2013-08-15 Takuya Kakuda , Kenji Nishiwaki , Kin-ya Oda , Ryoutaro Watanabe

We show two types of bounds on five- and six-demensional universal extra dimension (UED) models from the latest results of the Higgs search at the LHC and of the electroweak precision data for the S and T parameters. The UED models on which…

High Energy Physics - Phenomenology · Physics 2013-04-29 Takuya Kakuda , Kenji Nishiwaki , Kin-ya Oda , Naoya Okuda , Ryoutaro Watanabe

We study the prospects for discovering an extra scalar boson $S^0$ at the International Linear Collider (ILC) based on a full simulation of the International Large Detector (ILD). In order to provide results in an as model-independent way…

High Energy Physics - Experiment · Physics 2020-05-14 Yan Wang , Mikael Berggren , Jenny List

We review the phenomenology of models with flat, compactified extra dimensions where all of the Standard Model fields are allowed to propagate in the bulk, known as Universal Extra Dimensions (UED). UED make for an interesting TeV-scale…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dan Hooper , Stefano Profumo

We propose a new search strategy based on the event shape variables for new physics models where the separations among the masses of the particles in the spectrum are small. Collider signature of these models, characterised by low $p_T$…

High Energy Physics - Phenomenology · Physics 2015-06-03 Amitava Datta , Anindya Datta , Sujoy Poddar

In theories with Universal Extra-Dimensions (UED), the gamma_1 particle, first excited state of the hypercharge gauge boson, provides an excellent Dark Matter (DM) candidate. Here we use a modified version of the SuperBayeS code to perform…

High Energy Physics - Phenomenology · Physics 2011-03-23 Gianfranco Bertone , Kyoungchul Kong , Roberto Ruiz de Austri , Roberto Trotta

We work out the strongly interacting sector of a non-minimal Universal Extra Dimension (nmUED) scenario with one flat extra spatial dimension orbifolded on S^1/Z_2 in the presence of brane-localized kinetic and Yukawa terms. On…

High Energy Physics - Phenomenology · Physics 2015-06-05 AseshKrishna Datta , Kenji Nishiwaki , Saurabh Niyogi
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