Resummed corrections to the rho parameter due to a finite width of the top quark
classification
✦ hep-ph
hep-th
keywords
parameterall-ordercalculatedcalculationcorrectionscut-offeffectsemphasis
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We perform an all-order calculation of the \rho parameter in a simplified framework, where the top propagator can be calculated exactly. Special emphasis is placed on the question of gauge invariance and the treatment of non-perturbative cut-off effects.
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