Graviton Production in Relativistic Heavy-Ion Collisions
Sean C. Ahern, John W. Norbury, William J. Poyser
TL;DR
This paper investigates the potential for producing Kaluza-Klein gravitons in relativistic heavy-ion collisions, demonstrating that photon-photon fusion could significantly enhance production rates compared to electron-positron scattering.
Contribution
It introduces a novel calculation of graviton production cross sections in heavy-ion collisions within a Kaluza-Klein framework, highlighting a new feasible detection method.
Findings
Photon-photon fusion cross section exceeds electron-positron scattering by several orders of magnitude.
Feasibility of graviton detection in heavy-ion collisions is significantly improved.
Kaluza-Klein gravitons can be produced efficiently in relativistic collisions.
Abstract
We study the feasibility of producing the graviton of the novel Kaluza-Klein theory in which there are d large compact dimensions in addition to the 4 dimensions of Minkowski spacetime. We calculate the cross section for producing such a graviton in nucleus-nucleus collisions via t-channel photon-photon fusion using the semiclassical Weizsacker-Williams method and show that it can exceed the cross section for graviton production in electron-positron scattering by several orders of magnitude.
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