Brane Fluctuation and anomalous muon magnetic moment

Details Brane Fluctuation and anomalous muon magnetic moment Brane Fluctuation and anomalous muon magnetic moment

2001-09-14

arxiv.org/abs/hep-ph/0109121v2

Phys.Lett. B523 (2001) 161-164

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, LaTeX, 2 eps Figures, references added, version to appear in PLB

Scientific paper

10.1016/S0370-2693(01)01325-9

We study the effects of extra dimensions on the muon anomalous magnetic moment with brane fluctuation. Since the coupling is naturally suppressed if brane fluctuation is considered by exponential softening factor for heavier states, the contribution from the whole Kaluza-Klein graviton tower is shown to be finite. The recent BNL E821 result is accomodated with $D=4+\delta$ dimensional gravitational scale, $M_D$, in the range of $M_D \simeq 1.0 - 5.1$ TeV ($\delta=2$), and $M_D \simeq 1.0 - 8.0 $ TeV ($\delta=6$) with the brane tension parameter $f=(4\pi^2 \tau)^{1/4}$, in the range $f = 1 - 10 $ TeV.

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