{"title":"Master integrals for all unitarity cuts of massless 4-loop propagators","authors":"V. Magerya, A. Pikelner","doi":"10.22323/1.375.0049","DOIUrl":null,"url":null,"abstract":"Among the unitarity cuts of massless 4-loop propagators two classes have remained unknown until recently: 2-loop 3-particle cuts, and 1-loop 4-particle cuts. In this article we shall discuss the calculation that completes the master integrals for these cuts: both the motivation and the methods (including dimensional recurrence relations and direct integration at higher space-time dimensions).","PeriodicalId":440413,"journal":{"name":"Proceedings of 14th International Symposium on Radiative Corrections — PoS(RADCOR2019)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 14th International Symposium on Radiative Corrections — PoS(RADCOR2019)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22323/1.375.0049","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Among the unitarity cuts of massless 4-loop propagators two classes have remained unknown until recently: 2-loop 3-particle cuts, and 1-loop 4-particle cuts. In this article we shall discuss the calculation that completes the master integrals for these cuts: both the motivation and the methods (including dimensional recurrence relations and direct integration at higher space-time dimensions).
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