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External Operators and Anomalous Dimensions in Soft-Collinear Effective Theory
Thomas Becher, Richard J. Hill, Bjoern O. Lange +1
It has recently been argued that soft-collinear effective theory for processes involving both soft and collinear partons contains a new soft-collinear mode, which can communicate b…
Soft-Collinear Messengers: A New Mode in Soft-Collinear Effective Theory
Thomas Becher, Richard J. Hill, Matthias Neubert
It is argued that soft-collinear effective theory for processes involving both soft and collinear partons, such as exclusive B-meson decays, should include a new mode in addition t…
The self-energy of improved staggered quarks
Thomas Becher, Kirill Melnikov
We calculate the fermion self-energy at O(alpha_s) for the Symanzik improved staggered fermion action used in recent lattice simulations by the MILC collaboration. We demonstrate t…