${{\boldsymbol f}_{{0}}{(2020)}}$ WIDTH INSPIRE search

VALUE (MeV)

EVTS

DOCUMENT ID

TECN

COMMENT

$442$ $\pm60$

¹ ^{, 2}

BARBERIS

2000

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{f}}}$4 ${{\mathit \pi}}{{\mathit p}_{{s}}}$

• • • We do not use the following data for averages, fits, limits, etc. • • •

$400$ $\pm80$

ROPERTZ

2018

RVUE

${{\overline{\mathit B}}_{{s}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}$( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $/$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$)

$296$ $\pm17$

80k

⁴

UMAN

2006

E835

5.2 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{0}}$

$405$ $\pm40$

ANISOVICH

2000

SPEC

$240$ $\pm100$

ALDE

1998

GAM4

100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$

$410$ $\pm50$

BARBERIS

1997

OMEG

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$)

¹ Average between ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$2 ${{\mathit \pi}^{0}}$ and 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ).

² T-matrix pole.

³ T-matrix pole of 3 channel unitary model fit to data from AAIJ 2014BR and AAIJ 2017V extracted using Pade approximants.

⁴ Statistical error only.

References:

ROPERTZ

2018

EPJ C78 1000

A new parametrization for the scalar pion form factors

UMAN

2006

PR D73 052009

Light Quark Resonances in ${{\overline{\mathit p}}}{{\mathit p}}$ Annihilations at 5.2 GeV/$\mathit c$

ANISOVICH

2000J

PL B491 47

I = 0 C = +1 Mesons from 1920 to 2410 MeV

BARBERIS

2000C

PL B471 440

A Spin Analysis of the 4${{\mathit \pi}}$ Channels Produced in Central ${{\mathit p}}{{\mathit p}}$ Interactions at 450 ${\mathrm {GeV/}}\mathit c$

ALDE

1998

EPJ A3 361

Study of the ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ System with the GAMS-4000 Spectrometer at 100 ${\mathrm {GeV/}}\mathit c$

BARBERIS

1997B

PL B413 217

A Study of the Centrally Produced ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ Channel in ${{\mathit p}}{{\mathit p}}$ Interactions at 450 ${\mathrm {GeV/}}\mathit c$