Resummed corrections to the ρparameter in the complex mass scheme

Details Resummed corrections to the ρparameter in the complex mass scheme Resummed corrections to the ρparameter in the complex mass scheme

2011-01-17

arxiv.org/abs/1101.3166v1

Phys.Lett.B697:15-20,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 1 figure, to be published in Phys. Lett. B

Scientific paper

10.1016/j.physletb.2011.01.023

We present all order results for the heavy top corrections to the \rho
parameter in the complex mass scheme. We derive translation formulas between
the complex mass and the on-shell scheme and show that they are ultimately
equivalent. We show that a naive treatment with a fixed width for the top quark
cannot give even approximately correct results.

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