Master Integrals For Massless Two-Loop Vertex Diagrams With Three Offshell Legs | Zendy

T. G. Birthwright | Zendy; E. W. N. Glover | Zendy; Peter Marquard | Zendy

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Master Integrals For Massless Two-Loop Vertex Diagrams With Three Offshell Legs

Author(s) -

T. G. Birthwright,

E. W. N. Glover,

Peter Marquard

Publication year - 2004

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2004/09/042

Subject(s) - physics , massless particle , vertex (graph theory) , loop (graph theory) , mathematical physics , combinatorics , graph , mathematics

We compute the master integrals for massless two-loop vertex graphs withthree off-shell legs. These master integrals are relevant for the QCDcorrections to H to V*V* (where V = W, Z) and for two-loop studies of thetriple gluon (and quark-gluon) vertex. We employ the differential equationtechnique to provide series expansions in epsilon for the various masterintegrals. The results are analytic and contain a new class of two-dimensionalharmonic polylogarithms.Comment: 33 pages, JHEP3.cls, figures produced by feynmf, analytic results in data.m, reference adde

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