Unitarity and the heavy quark expansion in the determination of semileptonic form factors

Details Unitarity and the heavy quark expansion in the determination of semileptonic form factors Unitarity and the heavy quark expansion in the determination of semileptonic form factors

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006slft.confe..97v&link_type=abstract

Proceedings of the XXIVth International Symposium on Lattice Field Theory. July 23-28, 2006, Tucson, Arizona., p.97.1

Physics

Scientific paper

We discuss prospects for improving the q2 extrapolation of the B → πlν form factors with model- independent constraints based on unitarity and heavy quark power-counting. As an illustration, we apply the method to preliminary results of calculations of the form factors, which we generated using the MILC gauge configurations and the Fermilab action for the heavy b-quark.

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