$Measurement of the B+→ωl+ν and B+→ηl+ν branching fractions$

Measurement of the B+→ωl+ν and B+→ηl+ν branching fractions

We present a study of the charmless semileptonic B-meson decays B+→ωl+ν and B+→ηl+ν. The analysis is based on 3.83×108 BB̄ pairs recorded at the Υ(4S) resonance with the BABAR detector. The ω mesons are reconstructed in the channel ω→π+π-π0 and the η mesons in the channels η→π+π-π0 and η→γγ. We meas...

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Κύριοι συγγραφείς:	Aubert, B, Bona, M, Karyotakis, Y, Lees, J, Poireau, V, Prencipe, E, Prudent, X, Tisserand, V, Garra Tico, J, Grauges, E, Lopez, L, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Abrams, G, Battaglia, M, Brown, D, Cahn, R, Jacobsen, R, Kerth, LT, Kolomensky, Y, Lynch, G, Osipenkov, I
Μορφή:	Journal article
Γλώσσα:	English
Έκδοση:	2009

Measurement of the B+→ωl+ν and B+→ηl+ν branching fractions

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