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arxiv: hep-ph/0611168 · v1 · submitted 2006-11-13 · ✦ hep-ph

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Inclusive Semi-leptonic B Decays to order 1/m_b⁴

Benjamin M. Dassinger , Thomas Mannel , Sascha Turczyk (Univ. Siegen)
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classification ✦ hep-ph
keywords computedecaysinclusivelevelsemi-leptonictermstreeappearing
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We give a systematic way to compute higher orders in the 1/m_b expansion in inclusive semi-leptonic decays at tree level. We reproduce the known 1/m_b^3 terms and compute the 1/m_b^4 terms at tree level. The appearing non-perturbative parameters and the impact on the determination of V_{cb} are discussed.

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