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${{\mathit X}{(3940)}}$ WIDTH

INSPIRE   PDGID:

M029W

VALUE (MeV) CL% EVTS DOCUMENT ID TECN  COMMENT $37$ ${}^{+26}_{-15}$ $\pm8$ 52 PAKHLOV 2008 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit X}}$ • • We do not use the following data for averages, fits, limits, etc. • • $<52$ 90 25 ABE 2007 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit X}}$

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