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Master integrals for massless three-loop form factors: One-loop and two-loop insertions
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DOI：10.1016/j.physletb.2006.08.008.png)
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摘要
En 中文
The three-loop form factors in massless QCD can be expressed as a linear combination of master integrals. Besides a number of master integrals which factorise into products of one-loop and two-loop integrals, one finds 16 genuine three-loop integrals. Of these, six have the form of a bubble insertion inside a one-loop or two-loop vertex integral. We compute all master integrals with these insertion topologies. (c) 2006 Elsevier B.V. All rights reserved.
Keyword:
QCD CORRECTIONS
SYMBOLIC SUMMATION
FEYNMAN-INTEGRALS
ORDER SOFT
QUARK
AMPLITUDES
ALGORITHM
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期刊
IF:
4.5
论文数:
3.2W
被引数:
7.3W
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PHYSICS LETTERS BIF4.5
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