9 v 1 2 3 A pr 1 99 2 SLAC – PUB – 5771 UCSD / PTH 92

ar X iv : h ep - p h / 92 11 22 2 v 1 6 N ov 1 99 2 Analyticity and the Isgur - Wise Function *

We reconsider the recent derivation by de Rafael and Taron of bounds on the slope of the Isgur-Wise function. We argue that one must be careful to include cuts starting below the heavy meson pair production threshold, arising from heavy quark-antiquark bound states, and that if such cuts are properly accounted for then no constraints may be derived. SLAC-PUB-5956 UCSD/PTH 92-35 CALT-68-1830 Oct...

ep - p h / 96 04 39 1 v 1 2 3 A pr 1 99 6 SLAC – PUB – 7152 April 1996 LIGHT - CONE QUANTIZATION AND HADRON STRUCTURE

ar X iv : h ep - p h / 97 10 22 9 v 1 2 O ct 1 99 7 SLAC - PUB - 7663 October 1997 Z ′ INVESTIGATIONS AT FUTURE LEPTON

Strong Decays of Excited Heavy Mesons In Chiral Perturbation Theory*

We construct an effective Lagrangian describing the interaction of soft pions and kaons with mesons containing a heavy quark and light degrees of freedom in an orbital p wave. The formalism is easily extended to heavy mesons and baryons in arbitrary excited states. We calculate the leading contributions to the strong decays D∗ 2 → Dπ, D∗ 2 → D∗π and D1 → D∗π. We confirm the relations between th...

ep - p h / 92 08 24 8 v 1 2 6 A ug 1 99 2 The Baryon Isgur - Wise Function in the Large N c Limit

In the largeNc limit, the Λb and Λc can be treated as bound states of chiral solitons and mesons containing a heavy quark. We show that the soliton and heavy meson are bound in an attractive harmonic oscillator potential. The Isgur-Wise function for Λb → Λc e νe decay is computed in the large Nc limit. Corrections to the form factor which depend on mN/mQ can be summed exactly (mN and mQ are the...