C. Macesanu
Published 1997-10-17, updated 1997-11-05Version 3
Using the analytic properties of two-point functions in QCD, as well as unitarity, bounds on the B meson form factor F(q^2) can be derived. Heavy quark spin symmetry, correctly taken into account, is shown to improve these bounds significantly.
Comments: 8 pages, LaTeX, uses sprocl.sty; presented at the 19th annual MRST High-Energy Theory meeting, Syracuse, NY, 12-13 May 1997; updated bibliography
Heavy quark spin symmetry with chiral tensor dynamics in the light of the recent LHCb pentaquarks
Analyticity Properties and Unitarity Constraints of Heavy Meson Form Factors
Enhanced breaking of heavy quark spin symmetry
