期刊
PHYSICAL REVIEW LETTERS
卷 124, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.124.071803
关键词
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资金
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [396021762-TRR 257]
- Danish National Research Foundation [DNRF:90]
- DFG
- CP3-Origins [DNRF:90]
We compute the beta functions of the three standard model gauge couplings to four-loop order in the modified minimal subtraction scheme. At this order a proper definition of gamma(5) in D = 4 - 2 epsilon space-time dimensions is required; however, in our calculation we determine the gamma(5)-dependent terms by exploiting relations with beta function coefficients at lower loop orders.
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