A one parameter representation for the Isgur-Wise function

preprint1995arXivOpen access

Abstract

We use a 1S1S lattice QCD heavy-light wavefunction to generate a single parameter, model independent description of the Isgur-Wise function. Using recent data we find the zero-recoil slope to be ξ′(1)=−1.16±0.17ξ'(1)= -1.16\pm 0.17, while the second derivative turns out to be ξ′′(1)=2.64±0.74ξ''(1)= 2.64\pm 0.74.

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