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The shape function in field theory

The shape function describes (non-perturbative) Fermi motion effects in semi-inclusive heavy flavour decay. Its renormalization properties are substantially dependent on the kind of ultraviolet regulator used. For example, the double logarithm that appears at one loop is larger by a factor 2 in dime...

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Detalles Bibliográficos
Autor principal: Aglietti, U.
Lenguaje:eng
Publicado: 2000
Materias:
Acceso en línea:https://dx.doi.org/10.1016/S0920-5632(01)01165-3
http://cds.cern.ch/record/460711