The last of the seven-parton tree amplitudes | Zendy

Daniel de Florian | Zendy; José Zurita | Zendy

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The last of the seven-parton tree amplitudes

Author(s) -

Daniel de Florian,

José Zurita

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/11/080

Subject(s) - helicity , physics , parton , gluon , jet (fluid) , particle physics , amplitude , tree (set theory) , hadron , quark , recursion (computer science) , cross section (physics) , nuclear physics , computer science , algorithm , mathematics , combinatorics , quantum mechanics , thermodynamics

We compute the four-quark plus three-gluon and six-quark plus one-gluon treelevel amplitudes using on-shell recursion relations. They are needed for thecalculation of the 5-jet cross-section at the Born level, and constitute anessential ingredient for next-to-leading order 4-jet andnext-to-next-to-leading order 3-jet production at hadronic colliders. Verycompact expressions for all possible helicity configurations are provided,allowing direct implementation in computer codes. With the results presented inthis paper, the full set of seven-parton tree amplitudes becomes available.Comment: 23 page

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