Isgur-Wise 1989 / Georgi 1990: expansion in 1 / m_Q with heavy quark static plus residual momentum; spin-flavor symmetry SU(2 N_f) emerges; basis for B-meson + Lambda-b decay calculations.
Isgur-Wise 1989 / Georgi 1990: expansion in 1 / m_Q with heavy quark static plus residual momentum; spin-flavor symmetry SU(2 N_f) emerges; basis for B-meson + Lambda-b decay calculations.