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preprints:1995:ttp95-03 [2016/03/17 11:03] (current)
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 +====== TTP95-03 QCD Corrections to the rho Parameter ====== 
 +  
 +  
 +   <​hidden TTP95-03 ​ QCD Corrections to the rho Parameter > The three-loop QCD corrections to the $\rho$ parameter from top and 
 + ​bottom quark loops are calculated. 
 + The result differs from the one recently calculated  
 + by Avdeev et al. As function of the pole mass the numerical value is given by 
 + ​$\drho=\frac{3G_F M_t^2}{8\sqrt{2}\pi^2}(1- 2.8599\, \api  
 + - 14.594\, (\api)^2 )$. 
 + </​hidden>​ 
 +|**K.G. Chetyrkin, J.H. Kuehn, M. Steinhauser** ​ |  
 +|** Phys. Lett. B351 331--338 1995  **  | 
 +| {{preprints:​1995:​ttp95-03.pdf|PDF}} {{preprints:​1995:​ttp95-03.ps|PostScript}} [[http://​arxiv.org/​abs/​hep-ph/​9502291|arXiv]] ​  | 
 +| |