Recent CLEO CKM Results
Karl M. Ecklund (for the CLEO Collaboration)
TL;DR
This paper presents recent B physics results from the CLEO collaboration, focusing on measurements of CKM matrix elements |Vcb| and |Vub|, including new methods and updated values that impact our understanding of quark mixing.
Contribution
It provides new measurements of |Vub| via q^2 dependence analysis and updates on inclusive semileptonic branching fractions, enhancing precision in CKM matrix element determination.
Findings
Measured |Vub| through B -> pi/rho l nu decay analysis.
Updated inclusive semileptonic branching fraction BF(B -> X e nu).
Provided moments of hadronic invariant mass spectrum in B decays.
Abstract
I report B physics results from the CLEO collaboration, highlighting measurements of the Cabibbo-Kobayashi-Maskawa matrix elements |Vcb| and |Vub|. I report a recent measurement of |Vub| through study of the q^2 dependence of B -> pi l nu and B -> rho l nu. I also describe new measurements of the inclusive semileptonic branching fraction BF(B -> X e nu) and of moments of the hadronic invariant mass spectrum in B -> X l nu, with impact on |Vcb|.
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