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PARTIAL BRANCHING FRACTIONS IN ${{\mathit \Lambda}_{{b}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$

B( ${{\mathit \Lambda}_{{b}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ ) (16.0 $<$ q${}^{2}$ GeV${}^{2}$/c${}^{4}$)

INSPIRE   PDGID:

S040PB6

VALUE ($ 10^{-7} $) DOCUMENT ID TECN  COMMENT $7.0$ $\pm1.9$ $\pm2.2$ AALTONEN 2011 AI CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV • • We do not use the following data for averages, fits, limits, etc. • • $4.73$ $\pm0.77$ $\pm1.25$ 1, 2 AAIJ 2013 AJ LHCB Repl. by AAIJ 2015AE 1  Uses B( ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \Lambda}}$ ) = ($6.2$ $\pm1.4$) $ \times 10^{-4}$. 2  Requires 16.00 $<$ q${}^{2}<$ 20.30 GeV${}^{2}$/c${}^{4}$.

References:

AAIJ 2013AJ PL B725 25 Measurement of the Differential Branching Fraction of the Decay ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ AALTONEN 2011AI PRL 107 201802 Observation of the Baryonic Flavor-Changing Neutral Current Decay ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$

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