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EnglishWe propose a closed expression for the three loop anomalous dimension of a class of twist-3 operators built with gauge fields and covariant derivatives. To this aim, we solve the long-range Bethe Ansatz equations at finite spin and provide a consistent analytical formula obtained assuming maximal transcendentality violation as suggested by the known one-loop anomalous dimension. The final result reproduces the univer- sal cusp anomalous dimension and obeys recursion relations inspired by the principle of reciprocity invariance.
http://hdl.handle.net/11587/107870| Titolo: | Three loop anomalous dimensions of twist-3 gauge operators in N=4 SYM, |
| Autori interni: | BECCARIA, Matteo |
| Data di pubblicazione: | 2007 |
| Rivista: | JOURNAL OF HIGH ENERGY PHYSICS |
| Abstract: | We propose a closed expression for the three loop anomalous dimension of a class of twist-3 operators built with gauge fields and covariant derivatives. To this aim, we solve the long-range Bethe Ansatz equations at finite spin and provide a consistent analytical formula obtained assuming maximal transcendentality violation as suggested by the known one-loop anomalous dimension. The final result reproduces the univer- sal cusp anomalous dimension and obeys recursion relations inspired by the principle of reciprocity invariance. |
| Handle: | http://hdl.handle.net/11587/107870 |
| Appare nelle tipologie: | Articolo pubblicato su Rivista |
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