pdgLive

OMEG

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{s}}}{{\mathit p}_{{f}}}{{\mathit K}^{+}}{{\mathit K}^{-}}$

$982$ $\pm3$

OMEG

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{s}}}{{\mathit p}_{{f}}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$982$ $\pm3$

OMEG

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{s}}}{{\mathit p}_{{f}}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$

$987$ $\pm6$ $\pm6$

²⁸

OMEG

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ , ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$989$ $\pm15$

BELLAZZINI

GAM4

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$

$991$ $\pm3$

²⁹

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$ , ${{\mathit \sigma}}{{\mathit \sigma}}$

$\sim{}\text{ 980}$

²⁹

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$

$\sim{}\text{ 993.5}$

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$

$\sim{}\text{ 987}$

²⁹

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$ , ${{\mathit \eta}}{{\mathit \eta}}$

$957$ $\pm6$

³⁰

ACKERSTAFF

OPAL

${{\mathit Z}}$ $\rightarrow$ ${{\mathit f}_{{0}}}$ X

$960$ $\pm10$

GAM4

$1015$ $\pm15$

²⁹

RVUE

Compilation

$1008$

³¹

LOCHER

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$

$955$ $\pm10$

³⁰

1997

GAM2

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$

$994$ $\pm9$

³²

BERTIN

1997

OBLX

0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$

$993.2$ $\pm6.5$ $\pm6.9$

³³

ISHIDA

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$

$1006$

TORNQVIST

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$ , ${{\mathit K}}{{\mathit \pi}}$ , ${{\mathit \eta}}{{\mathit \pi}}$

$997$ $\pm5$

³⁴

GAM2

38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$

$960$ $\pm10$

10k

³⁵

GAM2

38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$

$994$ $\pm5$

CBAR

$0.0$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 3 ${{\mathit \pi}^{0}}$

$\sim{}\text{ 996}$

³⁶

CBAR

0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ , ${{\mathit \pi}^{0}}{{\mathit \eta}}{{\mathit \eta}}$ , ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \eta}}$

$987$ $\pm6$

³⁷

RVUE

$1015$

JANSSEN

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$

$983$

³⁸

BUGG

RVUE

${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$2 ${{\mathit \pi}^{0}}$

$973$ $\pm2$

³⁹

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$

$988$

⁴⁰

ZOU

RVUE

$988$ $\pm10$

⁴¹

MORGAN

1993

RVUE

${{\mathit \pi}}$ ${{\mathit \pi}}$ ${{\mathit K}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$( ${{\mathit K}}{{\overline{\mathit K}}}$), ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \pi}}{{\mathit \pi}}$( ${{\mathit K}}{{\overline{\mathit K}}}$), ${{\mathit D}_{{s}}}$ $\rightarrow$ ${{\mathit \pi}}$( ${{\mathit \pi}}{{\mathit \pi}}$)

$971.1$ $\pm4.0$

³⁰

AGUILAR-BENIT..

EHS

400 ${{\mathit p}}{{\mathit p}}$

$979$ $\pm4$

⁴²

ARMSTRONG

OMEG

300 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit p}}{{\mathit p}}{{\mathit K}}{{\overline{\mathit K}}}$

$956$ $\pm12$

BREAKSTONE

1990

SFM

${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$959.4$ $\pm6.5$

³⁰

AUGUSTIN

1989

DM2

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$978$ $\pm9$

³⁰

ABACHI

1986

HRS

${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ X

$985.0$ ${}^{+9.0}_{-39.0}$

ETKIN

1982

MPS

23 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$2 ${{\mathit K}_S^0}$

$974$ $\pm4$

⁴²

GIDAL

1981

MRK2

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ X

$975$

⁴³

ACHASOV

1980

RVUE

$986$ $\pm10$

⁴²

AGUILAR-BENIT..

1978

HBC

0.7 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$

$969$ $\pm5$

⁴²

LEEPER

1977

ASPK

2$-$2.4 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$ , ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit n}}$

$987$ $\pm7$

⁴²

BINNIE

CNTR

${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$ MM

$1012$ $\pm6$

⁴⁴

GRAYER

ASPK

17 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$

$1007$ $\pm20$

⁴⁴

HYAMS

ASPK

17 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$

$997$ $\pm6$

⁴⁴

PROTOPOPESCU

HBC

7 ${{\mathit \pi}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit p}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

¹ From the ${{\mathit D}^{\pm}}$ $\rightarrow$ ${{\mathit K}^{\pm}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ Dalitz plot fit with the Triple-M amplitude in the multimeson model of AOUDE 2018 .

² Quoted number refers to real part of pole position.

³ Analytic continuation using Roy equations. Uses the ${{\mathit K}_{{e4}}}$ data of BATLEY 2010C and the ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit N}}$ data of HYAMS 1973 , GRAYER 1974 , and PROTOPOPESCU 1973 .

⁴ Analytic continuation using GKPY equations. Uses the ${{\mathit K}_{{e4}}}$ data of BATLEY 2010C and the ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit N}}$ data of HYAMS 1973 , GRAYER 1974 , and PROTOPOPESCU 1973 .

⁵ Pole position. Used Roy equations.

⁶ Average of the analyses of three data sets in the K-matrix model. Uses the data of BATLEY 2008A, HYAMS 1973 , and GRAYER 1974 , partially of COHEN 1980 or ETKIN 1982B.

⁷ On sheet II in a 2-pole solution. The other pole is found on sheet III at (850$−100\mathit i$) MeV

⁸ Using a relativistic Breit-Wigner function and taking into account the finite ${{\mathit D}_{{s}}}$ mass.

⁹ Breit-Wigner mass. Using finite width corrections according to FLATTE 1976 and ACHASOV 2005 , and the ratio $\mathit g_{ {{\mathit f}_{{0}}} {{\mathit K}} {{\mathit K}} }/\mathit g_{ {{\mathit f}_{{0}}} {{\mathit \pi}} {{\mathit \pi}} }$ = 0.

¹⁰ In the kaon-loop fit.

¹¹ In the no-structure fit.

¹² Systematic errors not estimated.

¹³ FLATTE 1976 parameterization. g$_{ {{\mathit f}_{{0}}} {{\mathit \pi}} {{\mathit \pi}} }$ = $329$ $\pm96$ MeV/c${}^{2}$ assuming g$_{ {{\mathit f}_{{0}}} {{\mathit K}} {{\overline{\mathit K}}} }$/g$_{ {{\mathit f}_{{0}}} {{\mathit \pi}} {{\mathit \pi}} }$=2.

¹⁴ Breit-Wigner mass. Using finite width corrections according to FLATTE 1976 and ACHASOV 2005 , and the ratio $\mathit g_{ {{\mathit f}_{{0}}} {{\mathit K}} {{\mathit K}} }/\mathit g_{ {{\mathit f}_{{0}}} {{\mathit \pi}} {{\mathit \pi}} }$ = $4.21$ $\pm0.25$ $\pm0.21$ from ABLIKIM 2005 .

¹⁵ In the kaon-loop fit following formalism of ACHASOV 1989 .

¹⁶ In the no-structure fit assuming a direct coupling of ${{\mathit \phi}}$ to ${{\mathit f}_{{0}}}{{\mathit \gamma}}$ .

¹⁷ FLATTE 1976 parameterization. Supersedes GARMASH 2005 .

¹⁸ FLATTE 1976 parameterization, $\mathit g_{ {{\mathit f}_{{0}}} {{\mathit K}} {{\overline{\mathit K}}} }/\mathit g_{ {{\mathit f}_{{0}}} {{\mathit \pi}} {{\mathit \pi}} }$ = $4.21$ $\pm0.25$ $\pm0.21$.

¹⁹ K-matrix pole from combined analysis of ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$ , ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit n}}$ , ${{\mathit \pi}^{+}}$ ${{\mathit \pi}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ , ${{\mathit \pi}^{0}}{{\mathit \eta}}{{\mathit \eta}}$ , ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \eta}}$ , ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ , ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$ , ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$ , ${{\mathit K}^{+}}{{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}$ at rest, ${{\overline{\mathit p}}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$ , ${{\mathit K}_S^0}$ ${{\mathit K}^{-}}{{\mathit \pi}^{0}}$ , ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{-}}$ at rest.

²⁰ From the negative interference with the ${{\mathit f}_{{0}}{(500)}}$ meson of AITALA 2001B using the ACHASOV 1989 parameterization for the ${{\mathit f}_{{0}}{(980)}}$ , a Breit-Wigner for the ${{\mathit f}_{{0}}{(500)}}$, and ACHASOV 2001F for the ${{\mathit \rho}}{{\mathit \pi}}$ contribution.

²¹ Coupled-channel Breit-Wigner, couplings $\mathit g_{{{\mathit \pi}}}=0.09$ $\pm0.01$ $\pm0.01$, $\mathit g_{{{\mathit K}}}=0.02$ $\pm0.04$ $\pm0.03$.

²² Supersedes ACHASOV 1998I. Using the model of ACHASOV 1989 .

²³ Supersedes ACHASOV 1998I.

²⁴ In the ``narrow resonance'' approximation.

²⁵ Assuming $\Gamma\mathrm {({{\mathit f}_{{0}}})}$= 40 MeV.

²⁶ From a narrow pole fit taking into account ${{\mathit f}_{{0}}{(980)}}$ and ${{\mathit f}_{{0}}{(1200)}}$ intermediate mechanisms.

²⁷ From the combined fit of the photon spectra in the reactions ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ , ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \gamma}}$ .

²⁸ Supersedes BARBERIS 1999 and BARBERIS 1999B

²⁹ T-matrix pole.

³⁰ From invariant mass fit.

³¹ On sheet II in a 2 pole solution. The other pole is found on sheet$~$III at (1039$−93\mathit i$) MeV.

³² On sheet II in a 2 pole solution. The other pole is found on sheet III at (963-29i) MeV.

³³ Reanalysis of data from HYAMS 1973 , GRAYER 1974 , SRINIVASAN 1975 , and ROSSELET 1977 using the interfering amplitude method.

³⁴ At high $\vert {{\mathit t}}\vert $.

³⁵ At low $\vert {{\mathit t}}\vert $.

³⁶ On sheet II in a 4-pole solution, the other poles are found on sheet$~$III at (953$−55\mathit i$) MeV and on sheet$~$IV at (938$−35\mathit i$) MeV.

³⁷ Combined fit of ALDE 1995B, ANISOVICH 1994 , AMSLER 1994D.

³⁸ On sheet II in a 2 pole solution. The other pole is found on sheet$~$III at (996$-103\mathit i$) MeV.

³⁹ From sheet II pole position.

⁴⁰ On sheet II in a 2 pole solution. The other pole is found on sheet$~$III at (797$-185\mathit i$) MeV and can be interpreted as a shadow pole.

⁴¹ On sheet II in a 2 pole solution. The other pole is found on sheet$~$III at (978$-28\mathit i$) MeV.

⁴² From coupled channel analysis.

⁴³ Coupled channel analysis with finite width corrections.

⁴⁴ Included in AGUILAR-BENITEZ 1978 fit.

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${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ and ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ Cross Sections Measured with Initial-State Radiation

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PR D76 012001

Dalitz Plot Analysis of the ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ Decay

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PR D75 051101

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PL B634 148

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PRL 96 251803

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PL B607 243

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EPJ A16 229

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TIKHOMIROV

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PAN 66 828

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PL B537 21

Study of the Decay ${{\mathit \phi}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \gamma}}$ with the KLOE Detector

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Study of the ${{\mathit D}_{{s}}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ Decay Measurement of ${{\mathit f}_{{0}}}$ Masses and Widths

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PL B462 380

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PL B462 371

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PL B453 325

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PL B462 462

A Coupled Channel Analysis of the Centrally Produced ${{\mathit K}^{+}}{{\mathit K}^{-}}$ and ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ Final States in ${{\mathit p}}{{\mathit p}}$ Interactions at 450 ${\mathrm {GeV/}}\mathit c$

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PL B453 316

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A Partial Wave Analysis of the Centrally Produced ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ System in ${{\mathit p}}{{\mathit p}}$ Interactions at 450 ${\mathrm {GeV/}}\mathit c$

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PR D60 074023

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EPJ C4 19

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EPJ C4 317

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PL B397 350

Study of the ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ System in ${{\mathit p}}{{\mathit p}}$ Central Collisions at 450 ${\mathrm {GeV/}}\mathit c$

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1997C

PL B408 476

Spin Parity Analysis of the Final State ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ from ${{\overline{\mathit p}}}{{\mathit p}}$ Annihilation at Rest in Hydrogen Targets at Three Densities

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Resurrection of the ${{\mathit \sigma}}$ Meson

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ZPHY C66 375

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PL B355 425

Coupled Channel Analysis of ${{\overline{\mathit p}}}{{\mathit p}}$ Annihilation into ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$, ${{\mathit \pi}^{0}}{{\mathit \eta}}{{\mathit \eta}}$ and ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \eta}}$

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Coupled Channel Analysis of Data on ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 3 ${{\mathit \pi}^{0}}$ , ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{0}}$, and ${{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ at Rest, with the N/D Method

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1989

NP B320 1

Study of the ${{\mathit J / \psi}}$ Decay into Five Pions

ABACHI

1986B

PRL 57 1990

Observation of Tensor and Scalar Mesons Produced in ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Annihilation at 29 GeV

ETKIN

1982B

PR D25 1786

Amplitude Analysis of the ${{\mathit K}_S^0}{{\mathit K}_S^0}$ System Produced in the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit n}}$ at 23 ${\mathrm {GeV/}}\mathit c$

GIDAL

1981

PL 107B 153

Observation of ${{\mathit S}^{*}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ in ${{\mathit \psi}}$ Decay

ACHASOV

1980

SJNP 32 566

Nature of Scalar Resonances

AGUILAR-BENITEZ

1978

NP B140 73

Study of a ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ Plus Threshold Enhancement Observed in the Final States ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ Pions at 700 to 760 ${\mathrm {MeV}}/\mathit c$

LEEPER

1977

PR D16 2054

A Study of the Reactions ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$ and ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit n}}$ at 1.98 and 2.41 ${\mathrm {GeV/}}\mathit c$

BINNIE

PRL 31 1534

Direct Evidence for the ${{\mathit S}^{*}}$ Meson near the ${{\mathit K}}{{\overline{\mathit K}}}$ Threshold

GRAYER

Tallahassee

Coupled Channel Analysis in the ${{\mathit K}}{{\overline{\mathit K}}}$ Threshold Region

HYAMS

NP B64 134

${{\mathit \pi}}{{\mathit \pi}}$ Phase Shift Analysis from 600 to 1900 MeV

PROTOPOPESCU