Bounds on Heavy-to-Heavy Weak Decay Form Factors

Details Bounds on Heavy-to-Heavy Weak Decay Form Factors Bounds on Heavy-to-Heavy Weak Decay Form Factors

2000-09-18

arxiv.org/abs/hep-ph/0009209v2

Int.J.Mod.Phys. A16S1A (2001) 416-418

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, talk given at DPF 2000, Columbus, OH, August 9, 2000; reference added

Scientific paper

10.1142/S0217751X01007091

We provide upper and lower bounds on the semileptonic weak decay form factors
for $B \to D^(*)$ and $\Lambda_b \to \Lambda_c$ decays by utilizing inclusive
heavy quark effective theory sum rules. These bounds are calculated to second
order in $\Lambda_{QCD}/m_Q$ and first order in $\alpha_s$. The $O(\alpha_s^2
\beta_0)$ corrections to the bounds at zero recoil are also presented.

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