The Isgur-Wise Function: A Lattice Determination from Pseudoscalar --> Pseudoscalar Form Factors
UKQCD Collaboration, James N. Simone
Abstract
Form factors for pseudoscalar --> pseudoscalar decays of heavy-light mesons are found in quenched lattice QCD with heavy-quark masses in the range of approximately 1-2 GeV. The Isgur-Wise function, ξ(ω), is extracted from these form factors. Results are in good agreement with ξ(ω) derived from CLEO measurements for B --> D*.
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