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  • 标题:Two-loop massive fermionic operator matrix elements and initial state QED corrections to $e^+ e^- \rightarrow \gamma^* / Z^*$
  • 本地全文:下载
  • 作者:A. De Freitas ; J. Bluemlein
  • 期刊名称:PoS - Proceedings of Science
  • 印刷版ISSN:1824-8039
  • 出版年度:2007
  • 出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
  • 摘要:We describe the calculation of the two–loop operator matrix elements for massive external fermions. These matrix elements are needed for the calculation of the O(a2) initial state radiative corrections to e+e− annihilation into a neutral virtual gauge boson, based on the renormalization group technique.
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