Doped Parton Distributions

14 Sep 2015 Valerio Bertone Stefano Carrazza Juan Rojo

Calculations of high-energy processes involving the production of b-quarks are typically performed in two different ways, the massive four-flavour scheme (4FS) and the massless five-flavour scheme (5FS). For processes where the combination of the 4FS and 5FS results into a matched calculation is technically difficult, it is possible to define a hybrid scheme known as the doped scheme, where above the b-quark threshold the strong coupling runs with $n_f=5$, as in the massless calculation, while the DGLAP splitting functions are those of the $n_f=4$ scheme... (read more)

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  • HIGH ENERGY PHYSICS - PHENOMENOLOGY
  • HIGH ENERGY PHYSICS - EXPERIMENT