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Related papers: Tests of Low Scale Quantum Gravity in $e^-e^-$ and…

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Arkani-Hamed, Dimopoulos and Dvali have recently proposed that gravity may become strong at energies near 1 TeV thus removing the hierarchy problem. This scenario can be tested in several ways at present and future colliders. In this paper…

High Energy Physics - Phenomenology · Physics 2011-07-19 Thomas G. Rizzo

Arkani-Hamed, Dimopoulos and Dvali have recently suggested that gravity may become strong at energies near 1 TeV which would remove the hierarchy problem. Such a scenario can be tested at present and future colliders since the exchange of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Thomas G. Rizzo

It has been recently suggested by Arkani-Hamed, Dimopoulos and Dvali that gravity may become strong at energies not far above the electroweak scale and thus remove the hierarchy problem. Such a scenario can be tested at both present and…

High Energy Physics - Phenomenology · Physics 2016-08-25 Thomas G. Rizzo

We review the capability of $e^+e^-$ and $e^-e^-$ colliders to detect the virtual exchange of Kaluza-Klein towers of gravitons within the large extra dimension scenario of Arkani-Hamed, Dimopoulos and Dvali and in the localized gravity…

High Energy Physics - Phenomenology · Physics 2016-12-21 Thomas G. Rizzo

We investigate the sensitivity of future photon-photon colliders to low scale gravity scenarios via the process $\gamma\gamma \to ZZ$ where the Kaluza-Klein boson exchange contributes only when the initial state photons have opposite…

High Energy Physics - Phenomenology · Physics 2013-05-29 Micheal S. Berger , Brandon Zerbe

Recently it has been pointed out that the characteristic quantum-gravity scale could be as low as the weak scale in theories with gravity propagating in higher dimensions. The observed smallness of Newton's constant is a consequence of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Gian F. Giudice , Riccardo Rattazzi , James D. Wells

Arkani-Hamed, Dimopoulous, and Dvali have proposed a model of low-scale quantum gravity featuring large extra dimensions. In this model, the exchange of Kaluza-Klein towers of gravitons can enhance the production rate of electron and photon…

High Energy Physics - Experiment · Physics 2008-11-26 David Gerdes , Simona Murgia , John Carlson , Robert E. Blair , Joey Houston , Daniel Berebitsky

In this note, we consider dijet production at gamma gamma colliders as a probe of recently proposed, large extra-dimensional gravity models. The exchange of virtual, spin-2 graviton towers (Kaluza-Klein excitations) significantly modifies…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. A. Doncheski , R. W. Robinett

We review the capability of colliders to detect the virtual exchange of Kaluza-Klein towers of gravitons within the low scale quantum gravity scenario of Arkani-Hamed, Dimopoulos and Dvali.

High Energy Physics - Phenomenology · Physics 2007-05-23 Thomas G. Rizzo

The models of large extra compact dimensions, as suggested by Arkani-Hamed, Dimopoulos and Dvali, predict exciting phenomenological consequences with gravitational interactions becoming strong at the TeV scale. Such theories can be tested…

High Energy Physics - Phenomenology · Physics 2009-11-10 N. G. Deshpande , Dilip Kumar Ghosh

The models of large extra compact dimensions, as suggested by Arkani-Hamed, Dimopoulos and Dvali, predict exciting phenomenological consequences with gravitational interactions becoming strong at the TeV scale. Such theories can be tested…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Choudhury , N. G. Deshpande , D. K. Ghosh

We begin a general exploration of the phenomenology of TeV-scale extra-dimensional models with gravitational actions that contain higher curvature terms. In particular, we examine how the classic collider signatures of the models of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Thomas G. Rizzo

Recent theories propose that quantum gravity effects may be observable at LEP energies via gravitons that couple to Standard Model particles and propagate into extra spatial dimensions. The associated production of a graviton and a photon…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

In models featuring extra spatial dimensions, particle collisions in the early universe can produce Kaluza-Klein gravitons. Such particles will later decay, potentially impacting the process of Big Bang nucleosynthesis. In this paper, we…

High Energy Physics - Phenomenology · Physics 2024-07-11 Mathieu Gross , Dan Hooper

We study the process e^+e^- --> W^+W^- to probe low-scale gravity at high energy linear colliders. A characteristic signature of extra-dimensions models is the forward-backward asymmetry due to the interference of spin-2 graviton and spin-1…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. Poulose

We consider the production of gravitons via two photon and electron-photon fusion in Kaluza-Klein theories which allow TeV scale gravitational interactions. We show that at electron-positron colliders, the processes l+l- -> l+ l- graviton,…

High Energy Physics - Phenomenology · Physics 2009-10-31 David Atwood , Shaouly Bar-Shalom , Amarjit Soni

Theories with large extra compact dimensions predict exciting phenomenological consequences at the TeV scale. Such theories can, consequently, be tested/verified in experiments at future colliders like the Next Linear Collider (NLC). In…

High Energy Physics - Phenomenology · Physics 2009-10-31 Dilip Kumar Ghosh , P. Poulose , K. Sridhar

Theories with large extra dimensions predict an infinite tower of Kaluza-Klein states in the 1 TeV range, which can consequently have significant implications for experimental observables. One such observable, which gets affected by the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Prakash Mathews , P. Poulose , K. Sridhar

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

In scenarios with extra dimensions the gravitational interaction may become strong at TeV energies. This could modify the $\nu$$N$ cross section and imply distinct signals at neutrino telescopes. In particular, cosmogenic neutrinos of…

High Energy Physics - Phenomenology · Physics 2020-01-22 José I. Illana , Manuel Masip
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