{"title":"Vector and axial-vector coefficient functions for DVCS at NNLO","authors":"A. Manashov, V. Braun, S. Moch, J. Schoenleber","doi":"10.22323/1.416.0074","DOIUrl":null,"url":null,"abstract":"We calculate the two-loop coefficient functions for the (axial-) vector flavor-nonsinglet contributions in processes with one real and one virtual photon. We present the analytic expressions for the coefficient functions in momentum fraction space and estimate their effect on the physical observable. The calculated NNLO corrections appear to be rather large and have to be taken into account.","PeriodicalId":151433,"journal":{"name":"Proceedings of Loops and Legs in Quantum Field Theory — PoS(LL2022)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of Loops and Legs in Quantum Field Theory — PoS(LL2022)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22323/1.416.0074","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
We calculate the two-loop coefficient functions for the (axial-) vector flavor-nonsinglet contributions in processes with one real and one virtual photon. We present the analytic expressions for the coefficient functions in momentum fraction space and estimate their effect on the physical observable. The calculated NNLO corrections appear to be rather large and have to be taken into account.
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