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

B( ${{\mathit \Lambda}_{{b}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ ) (4.3 $<$ q${}^{2}<$ 8.68 GeV${}^{2}$/c${}^{4}$)

INSPIRE   PDGID:

S040PB3

VALUE ($ 10^{-7} $) DOCUMENT ID TECN  COMMENT $\bf{ 0.5 \pm0.7}$ OUR AVERAGE $0.66$ $\pm0.74$ $\pm0.18$ 1 AAIJ 2013 AJ LHCB ${{\mathit p}}{{\mathit p}}$ at 7 TeV $-0.2$ $\pm1.6$ $\pm0.1$ AALTONEN 2011 AI CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV 1  Uses B( ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \Lambda}}$ ) = ($6.2$ $\pm1.4$) $ \times 10^{-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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