期刊
PHYSICS LETTERS B
卷 807, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.physletb.2020.135543
关键词
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资金
- PRISMA excellence cluster
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [396021762 - TRR 257]
- National Science Foundation [1719863]
- National Natural Science Foundation of China [11822508, 11847612, 11935013]
- Key Research Program of Frontier Sciences of Chinese Academy of Sciences [QYZDB-SSW-SYS014]
We present an analytic derivation of the full four-loop cusp anomalous dimension of N = 4 supersymmetric Yang-Mills theory from the Sudakov form factor. To extract the cusp anomalous dimension, we calculate the epsilon(-2) pole of the form factor using parametric integrations of finite integrals. We provide uniformly transcendental results for the master integrals through to weight six and confirm a very recent independent analytic result for the full four-loop cusp anomalous dimension of the N = 4 model. (C) 2020 The Authors. Published by Elsevier B.V.
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