The muon anomalous magnetic moment in the Randall-Sundrum model

被引：7
作者：
Beneke, M. [1 ]
Dey, P.
Rohrwild, J.
机构：
[1] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 08期
基金：
美国国家科学基金会;
关键词：
Phenomenology of Field Theories in Higher Dimensions; MASSES; MIXINGS; FIELDS; QUARK;
D O I：
10.1007/JHEP08(2013)010
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We calculate the anomalous magnetic moment of the muon in the minimal Randall-Sundrum model with standard model fields in five-dimensional (5D) warped space and a brane-localized Higgs. We use a fully 5D framework to compute the one-loop matching coefficients of the effective theory at the electroweak scale. The extra contribution to the anomalous magnetic moment from the model-independent gauge-boson exchange contributions is Delta a mu approximate to 8.8 . 10(-11) x (1 TeV/T)(2), where 1/T denotes the location of the TeV brane in conformal coordinates, and is related to the mass of the lowest gauge boson KK excitation by M-KK approximate to 2.5 T. The result constitutes the first complete determination of the gauge-boson contribution to g - 2 and is robust against the variation of the bulk fermion masses and 5D Yukawa coupling. We also determine the strongly model-parameter dependent effect of Higgs-exchange diagrams.
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页数：68
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