Quark Model Form Factors for Heavy Quark Effective Theory

Details Quark Model Form Factors for Heavy Quark Effective Theory Quark Model Form Factors for Heavy Quark Effective Theory

1993-07-13

arxiv.org/abs/hep-ph/9307260v1

Nucl.Phys. B412 (1994) 169-180

Physics

High Energy Physics

High Energy Physics - Phenomenology

(14 pages), RAL-93-022, OUTP-93-06P

Scientific paper

10.1016/0550-3213(94)90498-7

We show how both the spectroscopy of heavy-light hadrons and the slope of the Isgur-Wise function can be simultaneously fitted when Heavy Quark Effective Theory is matched onto dynamical quark models, including careful treatment of wigner rotations. Working consistently to order $\vec{v}^2$ and using the parameters from hadron spectroscopy as input, we determine the slope parameter $\rho$ for s-wave transitions to be $1.19 \pm 0.02$. This agrees with the emperical value for $b \rightarrow c$ transitions.

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