Extra-dimensional gravity and dijet production at γγ colliders

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Abstract

In this Brief Report, we consider dijet production at γγ 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 the cross section, as compared to the standard model predictions. We find that, in order to maximize the value of the effective scale that can be probed at a given center-of-mass energy, a very severe pT cut should be applied; in general, a pT equal to approximately 46% of the e+e- beam energy gives the highest reach. We find that we can probe the effective mass scale from about 2.7 TeV to 11.1 TeV, depending on the center-of-mass energy and assumptions about the model.

Original languageEnglish (US)
Article number117701
Pages (from-to)1-4
Number of pages4
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume61
Issue number11
DOIs
StatePublished - Jun 1 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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