Inclusive B-decay spectra and IR renormalons.
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Authors
Gardi, Einan
Abstract
I illustrate the role of infrared renormalons in computing inclusive B-decay spectra. I explain the relation between the leading ambiguity in the definition of Sudakov form factor exp(N /M) and that of the pole mass, and show how these ambiguities cancel out between the perturbative and non-perturbative components of the b-quark distribution in the meson.
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HEP, Cavendish Laboratory, University of Cambridge