Asymptotic safety and Kaluza-Klein gravitons at the LHC

• Verfasst von: Gerwick, Erik [VerfasserIn]
• Verfasst von: Litim, Daniel F. [VerfasserIn]
• Verfasst von: Plehn, Tilman [VerfasserIn]
• Titel: Asymptotic safety and Kaluza-Klein gravitons at the LHC
• Verf.angabe: Erik Gerwick, Daniel Litim, Tilman Plehn
• E-Jahr: 2011
• Jahr: 28 April 2011
• Umfang: 18 S.
• Fussnoten: Gesehen am 09.11.2023
• Titel Quelle: Enthalten in: Physical review / D
• Ort Quelle: [S.l.] : Soc., 1970
• Jahr Quelle: 2011
• Band/Heft Quelle: 83(2011), 8 vom: Apr., Artikel-ID 084048, Seite 1-18
• ISSN Quelle: 1550-2368
• ISSN Quelle: 1089-4918
• DOI: doi:10.1103/PhysRevD.83.084048
• Datenträger: Online-Ressource
• Sprache: eng
• K10plus-PPN: 1869921917

Abstract

We study Drell-Yan production at the LHC in low-scale quantum gravity models with extra dimensions. Asymptotic safety implies that the ultraviolet behavior of gravity is dictated by a fixed point. We show how the energy dependence of Newton’s coupling regularizes the gravitational amplitude using a renormalization group improvement. We study LHC predictions and find that Kaluza-Klein graviton signals are well above standard model backgrounds. This leaves a significant sensitivity to the energy scale ΛT where the gravitational couplings crossover from classical to fixed point scaling.