Speaker
Michael Donnellan
(NIC, DESY Zeuthen)
Description
We study an efficient method for the lattice calculation of the B*Bpi-coupling in the static limit, a parameter of the heavy meson chiral Lagrangian, paying particular attention to excited state contamination. Precise studies of the continuum limit in the quenched approximation and of the chiral behaviour with 2 flavours of improved Wilson quarks (using CLS lattices) for pion masses down to around 250 MeV are presented.
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Primary author
Michael Donnellan
(NIC, DESY Zeuthen)
Co-authors
Dr
Hubert Simma
(NIC, DESY Zeuthen)
Dr
John Bulava
(NIC, DESY Zeuthen)
Dr
Rainer Sommer
(NIC, DESY Zeuthen)
