Institute for Theoretical Particle Physics (TTP)

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preprints:2000:ttp00-17 [2016/03/17 11:03] (current)
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 +====== TTP00-17 Two Loop QCD Vertices and Three Loop MOM $\beta$ functions ====== 
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 +   <hidden TTP00-17  Two Loop QCD Vertices and Three Loop MOM $\beta$ functions > We present numerical results for the two loop QCD corrections to the 
 + ghost gluon vertex, the quark gluon vertex, and the triple gluon vertex in 
 + the massless limit at the symmetric point. We restrict ourselves to the tensor  
 + structures existing in the tree level.  The corrections are used to examine  
 + different coupling constant definitions in momentum subtraction schemes 
 + and the corresponding three-loop $\beta$ functions. 
 + </hidden> 
 +|**K.G. Chetyrkin and T. Seidensticker**  |  
 +|**  Phys.Lett.  B495 74-80 2000  **  | 
 +| {{preprints:2000:ttp00-17.pdf|PDF}} {{preprints:2000:ttp00-17.ps|PostScript}} [[http://arxiv.org/abs/hep-ph/0008094|arXiv]]   | 
 +| |