Precise Prediction for M_W in the MSSM

Details Precise Prediction for M_W in the MSSM Precise Prediction for M_W in the MSSM

2006-04-18

arxiv.org/abs/hep-ph/0604147v2

JHEP 0608:052,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

38 pages, 25 figures. Minor corrections, additional references

Scientific paper

10.1088/1126-6708/2006/08/052

We present the currently most accurate evaluation of the W boson mass, M_W, in the Minimal Supersymmetric Standard Model (MSSM). The full complex phase dependence at the one-loop level, all available MSSM two-loop corrections as well as the full Standard Model result have been included. We analyse the impact of the different sectors of the MSSM at the one-loop level with a particular emphasis on the effect of the complex phases. We discuss the prediction for M_W based on all known higher-order contributions in representative MSSM scenarios. Furthermore we obtain an estimate of the remaining theoretical uncertainty from unknown higher-order corrections.

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