Muon anomalous magnetic moment (g - 2)μ and the Randall-Sundrum model

C. S. Kim, J. D. Kim, Jeonghyeon Song

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37 Citations (Scopus)

Abstract

We study the effects of the Kaluza-Klein gravitons in the Randall-Sundrum model on the recent BNL measurements of the muon (g - 2) deviation from the standard model prediction. By examining the J-partial wave unitarity bounds of the elastic process γγ → γγ, the cut-off on the number of massive KK gravitons, nc, has been introduced. We found that the recently measured Δaμ can be accommodated in the RS model, within the natural parameter space allowed by the perturbative unitarity. For example, dozens (hundreds) of the nc for Λπ = 1 ∼ 2 TeV (3 TeV) can explain the reported Δaμ.

Original languageEnglish
Pages (from-to)251-256
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume511
Issue number2-4
DOIs
Publication statusPublished - 2001 Jul 5

Bibliographical note

Funding Information:
The work of C.S.K. was supported in part by BK21 Program, SRC Program and Grant No. 2000-1-11100-003-1 of the KOSEF, and in part by the KRF Grants, Project No. 2000-015-DP0077. The work of J.D.K. was supported by the Korea Research Foundation Grants (KRF-2000-DA0013 and 2000-015-DP0077).

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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