Pole- versus MS-mass definitions in the electroweak theory

Details Pole- versus MS-mass definitions in the electroweak theory Pole- versus MS-mass definitions in the electroweak theory

2004-03-02

arxiv.org/abs/hep-ph/0403026v2

Phys.Lett.B589:35-38,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 6 figures; references added, figure 1 changed

Scientific paper

10.1016/j.physletb.2004.03.045

Two different two-loop relations between the pole- and the MS-mass of the top quark have been derived in the literature which were based on different treatments of the tadpole diagrams. In addition, the limit M_W^2/m_t^2 \to 0 was employed in one of the calculations. It is shown that, after appropriate transformations, the results of the two calculations are in perfect agreement. Furthermore we demonstrate that the inclusion of the non-vanishing mass of the W-boson leads to small modifications only.

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