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${{\mathit K}_{{{0}}}^{*}{(1950)}}$ WIDTH

INSPIRE   PDGID:

M134W

VALUE (MeV) DOCUMENT ID TECN CHG  COMMENT $\bf{ 170 \pm50}$ OUR AVERAGE  Error includes scale factor of 2.2.  See the ideogram below. $229$ $\pm26$ $\pm16$ 1 AAIJ 2023 AH LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit K}^{+}}$( ${{\mathit K}_S^0}$ ${{\mathit K}}{{\mathit \pi}}$) $80$ $\pm32$ $\pm20$ LEES 2021 A BABR ${{\mathit \gamma}}$ ${{\mathit \gamma}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $201$ $\pm34$ $\pm79$ 2 ASTON 1988 LASS 0 11 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ • • We do not use the following data for averages, fits, limits, etc. • • $145$ $\pm38$ 3 ZHOU 2006 RVUE ${{\mathit K}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ $250$ $\pm100$ 4 ANISOVICH 1997 C RVUE 11 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ 1  From Dalitz plot analyses of ${{\mathit \eta}_{{{c}}}{(1S,2S)}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}$ + c.c.. 2  We take the central value of the two solutions and the larger error given. 3  S-matrix pole. Using ASTON 1988 and assuming ${{\mathit K}_{{{0}}}^{*}{(700)}}$, ${{\mathit K}_{{{0}}}^{*}{(1430)}}$. 4  T-matrix pole. Reanalysis of ASTON 1988 data.

${{\mathit K}_{{{0}}}^{*}{(1950)}}$ WIDTH (MeV)

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