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${{\mathit f}_{{{0}}}{(1710)}}$ T-MATRIX POLE $\sqrt {\mathit s }$

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M068PP

Note that $\Gamma $ = $−$2 Im($\sqrt {s }$).

M068PP VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ (1680 - 1820) − {\mit i} (50 - 180)}$ OUR ESTIMATE $(1770.7 \pm5.1 \pm4.2) − {\mit i}~(84.7 \pm3.8 \pm4.7)$ ABLIKIM 2025 CD   BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}$ $(1769 \pm8) − {\mit i} (78 \pm6)$ 1 RODAS 2022   RVUE ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$ (${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$) $(1700 \pm18) − {\mit i} (127 \pm12)$ SARANTSEV 2021   RVUE ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$ (${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$ , ${{\mathit \eta}}{{\mathit \eta}}$ , ${{\mathit \omega}}{{\mathit \phi}}$) $(1732 \pm15) − {\mit i} (160 {}^{+25}_{-10})$ 2 ANISOVICH 2003   RVUE ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$ , ${{\mathit \eta}}{{\mathit \eta}}$ , ${{\mathit \eta}}{{\mathit \eta}^{\,'}}$ , ${{\mathit \pi}}{{\mathit \pi}}{{\mathit \pi}}{{\mathit \pi}}$ $(1698 \pm18) − {\mit i} (60 \pm13)$ BARBERIS 2000 E   OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}{{\mathit \eta}}{{\mathit \eta}}{{\mathit p}_{{{s}}}}$ $(1770 \pm12) − {\mit i} (110 \pm20)$ 3 ANISOVICH 1999 B   SPEC $0.6 - 1.2$ ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{0}}$ $(1727 \pm12 \pm11) − {\mit i} (63 \pm8 \pm9)$ BARBERIS 1999 D   OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$, ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $(1750 \pm30) − {\mit i} (125 \pm70)$ ANISOVICH 1998 B   RVUE Compilation 1  T-matrix pole from coupled channel K-matrix fit to data on ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ (ABLIKIM 2015AE) and ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ (ABLIKIM 2018AA). 2  Solution I. 3  Not seen by AMSLER 2002.

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