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Semileptonic Decays: The Heavy Daughter Quark Limit

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arxiv 0906.0108 v1 pith:3FZA5K5T submitted 2009-05-30 hep-ph

Semileptonic Decays: The Heavy Daughter Quark Limit

classification hep-ph
keywords limitalphab-quarkc-quarkcalculatedcalculationsconfirmdaughter
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have calculated the rate of the decay b -> clv to second order in alpha_s in the limit that the b and c quarks have equal masses. The results here confirm recent calculations done in the opposite limit where the c-quark is much lighter than the b-quark.

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