Phys. Rev. Lett. 59, 407 - 410 (1987)

Γ(b→ulν)/Γ(b→clν) from the end point of the lepton momentum spectrum in semileptonic B decay

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S. Behrends et al.
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Received 4 May 1987

We have used the measured yield of leptons near the end point of the momentum spectrum from semileptonic B decay to obtain an upper limit on Γ(b→ulν)/Γ(b→clν) and a corresponding limit on ‖Vub‖/‖Vcb‖.


©1987 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.59.407
DOI: 10.1103/PhysRevLett.59.407
PACS: 13.20.Jf, 14.40.Jz, 14.80.Dq

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