Hypergeometric representation of a four-loop vacuum bubble

Ervin Bejdakic; York Schroder

doi:10.1016/j.nuclphysbps.2006.09.040

Hypergeometric representation of a four-loop vacuum bubble

高能物理 - 唯象学 2009-11-11 v1

作者: Ervin Bejdakic , York Schroder

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摘要

In this article, we present a new analytic result for a certain single-mass-scale four-loop vacuum (bubble) integral. We also discuss its systematic $\e$ -expansion in $d=4-2\e$ as well as $d=3-2\e$ dimensions, the coefficients of which are expressible in terms of harmonic sums at infinity.

关键词

loop integrals in quantum field theory

引用

@article{arxiv.hep-ph/0607006,
  title  = {Hypergeometric representation of a four-loop vacuum bubble},
  author = {Ervin Bejdakic and York Schroder},
  journal= {arXiv preprint arXiv:hep-ph/0607006},
  year   = {2009}
}

备注

5 pages, to appear in the proceedings of the conference "Loops and Legs", Eisenach, 2006

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