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${{\mathit f}_{{{0}}}{(1500)}}$ WIDTH

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VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $108$ $\pm33$ 1 BERTIN 1998 OBLX $0.05 - 0.405$ ${{\overline{\mathit n}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ • • We do not use the following data for averages, fits, limits, etc. • • $107$ $\pm9$ ${}^{+21}_{-7}$ 2 ABLIKIM 2022 G BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}^{\,'}}$ $124$ $\pm7$ 3 AAIJ 2014 BR LHCB ${{\overline{\mathit B}}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $136$ ${}^{+41}_{-26}$ ${}^{+28}_{-100}$ 5.5k 4 ABLIKIM 2013 N BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}}{{\mathit \eta}}$ $90$ ${}^{+2}_{-1}$ ${}^{+50}_{-22}$ 5 UEHARA 2008 A BELL 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ $108$ ${}^{+14}_{-11}$ $\pm25$ 6 ABLIKIM 2006 V BES2 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $121$ $\pm8$ AMSLER 2006 CBAR 0.9 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$ $257$ $\pm33$ 9.9k AUBERT 2006 O BABR ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $108$ $\pm9$ 80k 6, 7 UMAN 2006 E835 5.2 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{0}}$ $119$ $\pm10$ VLADIMIRSKY 2006 SPEC 40 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit n}}$ $90$ $\pm15$ 6 BINON 2005 GAMS 33 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit n}}$ $136$ $\pm23$ 1400 8 GARMASH 2005 BELL ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $140$ $\pm40$ 6 ABELE 2001 CBAR $0.0$ ${{\overline{\mathit p}}}$ ${{\mathit d}}$ $\rightarrow$ ${{\mathit \pi}^{-}}$4 ${{\mathit \pi}^{0}}{{\mathit p}}$ $104$ $\pm25$ 6 BARBERIS 1999 OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{s}}}}{{\mathit p}_{{{f}}}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $131$ $\pm15$ 6 BARBERIS 1999 B OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{s}}}}{{\mathit p}_{{{f}}}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $160$ $\pm50$ 6 BELLAZZINI 1999 GAM4 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ $100$ $\pm33$ 6 FRENCH 1999 300 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}$( ${{\mathit K}^{+}}{{\mathit K}^{-}}$) ${{\mathit p}_{{{s}}}}$ $280$ $\pm100$ 6 ALDE 1998 GAM4 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$ $\sim{}\text{ 100}$ FRABETTI 1997 D E687 ${{\mathit D}_{{{s+-}}}}$ $\rightarrow$ ${{\mathit \pi}^{\mp}}{{\mathit \pi}^{\pm}}{{\mathit \pi}^{\pm}}$ $\sim{}\text{ 169}$ ABELE 1996 CBAR 0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 5 ${{\mathit \pi}^{0}}$ $100$ $\pm30$ 120 6 AMELIN 1996 B VES 37 ${{\mathit \pi}^{-}}$ ${{\mathit A}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{-}}{{\mathit A}}$ $132$ $\pm15$ BUGG 1996 RVUE $120$ $\pm25$ 9 AMSLER 1995 B CBAR $0.0$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 3 ${{\mathit \pi}^{0}}$ $120$ $\pm30$ 10 AMSLER 1995 C CBAR 0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{0}}$ $65$ $\pm10$ 11 ANTINORI 1995 OMEG 300,450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $199$ $\pm30$ 6 ANTINORI 1995 OMEG 300,450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $56$ $\pm12$ 6 ABATZIS 1994 OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $100$ $\pm40$ 6 AMSLER 1994 E CBAR $0.0$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \eta}}{{\mathit \eta}^{\,'}}$ $245$ $\pm50$ 6 AMSLER 1992 CBAR 0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \eta}}{{\mathit \eta}}$ $153$ $\pm67$ $\pm50$ 6 BELADIDZE 1992 C VES 36 ${{\mathit \pi}^{-}}$ ${}^{}\mathrm {Be}$ ${{\mathit \pi}^{-}}$ ${{\mathit \eta}^{\,'}}$ ${{\mathit \eta}}$ ${}^{}\mathrm {Be}$ $78$ $\pm18$ 6 ARMSTRONG 1989 E OMEG 300 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $170$ $\pm40$ 6 ALDE 1988 GAM4 300 ${{\mathit \pi}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit N}}$2 ${{\mathit \eta}}$ $150$ $\pm20$ 600 6 ALDE 1987 GAM4 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 4 ${{\mathit \pi}^{0}}{{\mathit n}}$ $265$ $\pm65$ 12 ALDE 1986 D GAM4 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 2 ${{\mathit \eta}}{{\mathit n}}$ $260$ $\pm60$ 6 BINON 1984 C GAM2 38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}^{\,'}}{{\mathit n}}$ $210$ $\pm40$ 6 BINON 1983 GAM2 38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 2 ${{\mathit \eta}}{{\mathit n}}$ $101$ $\pm13$ 6 GRAY 1983 DBC $0.0$ ${{\overline{\mathit p}}}$ ${{\mathit N}}$ $\rightarrow$ 3 ${{\mathit \pi}}$ 1  Breit-Wigner width. 2  The ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ mass spectrum is described by a coherent sum of two Breit-Wigner resonances, ${{\mathit f}_{{{0}}}{(1500)}}$ and a new ${{\mathit X}{(1540)}}$ with mass $1540.2$ $\pm7.0$ ${}^{+36.3}_{-6.1}$ MeV and width $157$ $\pm19$ ${}^{+11}_{-77}$ MeV. 3  Solution I, statistical error only. 4  From partial wave analysis including all possible combinations of 0${}^{++}$, 2${}^{++}$, and 4${}^{++}$ resonances. 5  Breit-Wigner width. May also be the ${{\mathit f}_{{{0}}}{(1370)}}$. 6  Breit-Wigner width. 7  Statistical error only. 8  Breit-Wigner, solution 1, PWA ambiguous. 9  T-matrix pole, supersedes ANISOVICH 1994. 10  T-matrix pole, supersedes ANISOVICH 1994 and AMSLER 1992. 11  Supersedes ABATZIS 1994, ARMSTRONG 1989E. Breit-Wigner mass. 12  From central value and spread of two solutions. Breit-Wigner mass.

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