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Conformal anomaly of generalized form factors and finite loop integrals
We reveal a new mechanism of conformal symmetry breaking at Born level. It occurs in generalized form factors with several local operators and an on-shell state of massless particles. The effect is due to hidden singularities on collinear configurations of the momenta. This conformal anomaly is diff...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2017
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1007/JHEP04(2018)082 http://cds.cern.ch/record/2288102 |