Derivation of Feynman rules for higher order poles using cross-ratio identities in CHY construction
Derivation of Feynman rules for higher order poles using cross-ratio identities in CHY construction
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Author / Creator
Zhou, Kang , Rao, Junjie and Feng, Bo
Publisher
Berlin/Heidelberg: Springer Berlin Heidelberg
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Language
English
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Berlin/Heidelberg: Springer Berlin Heidelberg
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bstract
In order to generalize the integration rules to general CHY integrands which include higher order poles, algorithms are proposed in two directions. One is to conjecture new rules, and the other is to use the cross-ratio identity method. In this paper, we use the cross-ratio identity approach to re-derive the conjectured integration...
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Full title
Derivation of Feynman rules for higher order poles using cross-ratio identities in CHY construction
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TN_cdi_doaj_primary_oai_doaj_org_article_a45b666c36c34b869a79cb989d0d54fd
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_doaj_primary_oai_doaj_org_article_a45b666c36c34b869a79cb989d0d54fd
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ISSN
1029-8479
E-ISSN
1029-8479
DOI
10.1007/JHEP06(2017)091
