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${{\mathit \Xi}_{{c}}{(2930)}}$ WIDTHS

${{\mathit \Xi}_{{c}}{(2930)}^{0}}$ WIDTH

INSPIRE   PDGID:

B156A06

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $10.2$ $\pm0.8$ $\pm1.1$ 10.4k 1 AAIJ 2020 X LHCB ${{\mathit p}}{{\mathit p}}$ at 13 TeV • • We do not use the following data for averages, fits, limits, etc. • • $19.5$ $\pm8.4$ ${}^{+5.9}_{-7.9}$ 61 LI 2018 A BELL ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at ${{\mathit \Upsilon}{(4S)}}$ $36$ $\pm7$ $\pm11$ 34 AUBERT 2008 H BABR ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit B}}{{\overline{\mathit B}}}$ 1  AAIJ 2020X observes that the broader resonance at 2930 MeV seen in ${{\mathit B}^{-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \Lambda}_{{c}}^{+}}{{\overline{\mathit \Lambda}}_{{c}}^{-}}$ by LI 2018A and AUBERT 2008H resolves into two narrower peaks at approximately 2939 MeV and 2923 MeV.

References:

AAIJ 2020X PRL 124 222001 Observation of New $\Xi_c^0$ Baryons Decaying to $\Lambda_c^+ K^-$ LI 2018A EPJ C78 252 Observation of $\Xi_{c}(2930)^0$ and updated measurement of $B^{-} \to K^{-} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}$ at Belle AUBERT 2008H PR D77 031101 Study of ${{\overline{\mathit B}}}$ $\rightarrow$ ${{\mathit \Xi}_{{c}}}{{\overline{\mathit \Lambda}}_{{c}}^{-}}$ and ${{\overline{\mathit B}}}$ $\rightarrow$ ${{\mathit \Lambda}_{{c}}^{+}}{{\overline{\mathit \Lambda}}_{{c}}^{-}}{{\overline{\mathit K}}}$ Decays at BABAR

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