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|V_ub| and |V_cb| from CLEO

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arxiv hep-ex/0307011 v1 pith:QVRKYNCP submitted 2003-07-05 hep-ex

|V_ub| and |V_cb| from CLEO

classification hep-ex
keywords cleodetectoraccumulatedbarbcalculationscandidatescesrcollisions
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We report on studies of exclusive and inclusive semileptonic b -> ul\nu and b -> cl\nu decays in 9.7 million B\barB events accumulated with the CLEO detector in symmetric e^+e^- collisions produced in the Cornell Electron Storage Ring (CESR). Various experimental techniques, including the inference of neutrino candidates using the hermeticity of the CLEO detector and the study of spectral moments, are used in conjunction with theoretical calculations to provide estimates of the CKM matrix elements |V_ub| and |V_cb|.

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