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${{\mathit \Lambda}_{{b}}^{0}}$ DECAY PARAMETERS

See the note on ``Baryon Decay Parameters'' in the neutron Listings.

f$_{L}$( ${{\mathit \mu}}{{\mathit \mu}}$ ) longitudinal polarization fraction in ${{\mathit \Lambda}_{{b}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$

INSPIRE   PDGID:

S040A04

VALUE DOCUMENT ID TECN  COMMENT $0.61$ ${}^{+0.11}_{-0.14}$ $\pm0.03$ 1 AAIJ 2015 AE LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV 1  AAIJ 2015AE measurement covers 15.0 $<$ q${}^{2}$ $<$ 20.0 GeV${}^{2}$/c${}^{4}$.

References:

AAIJ 2015AE JHEP 1506 115 Differential Branching Fraction and Angular Analysis of ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ Decays Also JHEP 1809 145 (errat.) Differential branching fraction and angular analysis of $\Lambda^{0}_{b} \rightarrow \Lambda \mu^+\mu^-$ decays

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