Indirect Collider Signals for Extra Dimensions

JoAnne L. Hewett
Phys. Rev. Lett. 82, 4765 – Published 14 June 1999
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Abstract

A recent suggestion that quantum gravity becomes strong near the weak scale can be probed by the exchange of Kaluza Klein towers of massive gravitons in fermion pair production in e+e annihilation and in Drell-Yan production, including contributions from gluon-gluon fusion, at hadron colliders. These processes are found to provide strong bounds which are essentially independent of the number of extra dimensions. We also demonstrate that angular distributions provide a smoking gun signal for low-scale quantum gravity which cannot be mimicked by other new physics scenarios.

  • Received 30 November 1998

DOI:https://doi.org/10.1103/PhysRevLett.82.4765

©1999 American Physical Society

Authors & Affiliations

JoAnne L. Hewett

  • Stanford Linear Accelerator Center, Stanford, California 94309

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Issue

Vol. 82, Iss. 24 — 14 June 1999

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