${{\mathit \eta}{(1475)}}$ WIDTH INSPIRE search

M175W5

VALUE (MeV)

EVTS

DOCUMENT ID

TECN

COMMENT

$\bf{ 96 \pm9}$

OUR AVERAGE Error includes scale factor of 1.7.

$115.8$ $\pm2.4$ ${}^{+14.8}_{-10.9}$

126K

ABLIKIM

2023

BES3

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$

$67$ $\pm18$ $\pm7$

ACHARD

2007

$183 - 209$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$

$120$ $\pm15$

3651

NICHITIU

2002

OBLX

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

$98$ $\pm18$ $\pm3$

20k

ADAMS

2001

B852

18 GeV ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit n}}$

$100$ $\pm20$

CICALO

1999

OBLX

0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{\pm}}{{\mathit K}_S^0}$ ${{\mathit \pi}^{\mp}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$105$ $\pm15$

BERTIN

1997

OBLX

0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{\pm}}$( ${{\mathit K}^{0}}$) ${{\mathit \pi}^{\mp}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$105$ $\pm15$

BERTIN

1995

OBLX

0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}{{\mathit \pi}}{{\mathit \pi}}$

$54$ ${}^{+37}_{-21}$ ${}^{+13}_{-24}$

BAI

1990

MRK3

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$

$51$ $\pm13$

RATH

1989

MPS

21.4 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$

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

$118$ $\pm22$ $\pm17$

ABLIKIM

2018

BES3

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \phi}{(1020)}}$

$45$ ${}^{+14}_{-13}$ ${}^{+21}_{-28}$

ABLIKIM

2015

BES3

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \eta}}$

$63$ $\pm18$

AUGUSTIN

1992

DM2

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$

¹ From a fit to ${{\mathit \gamma}}{{\mathit \phi}}$ invariant mass. Angular analysis consistent with $\mathit J{}^{PC} = 0{}^{-+}$. Other $\mathit J{}^{PC}$ not excluded.

² Could also be the ${{\mathit \eta}{(1405)}}$.

${{\mathit \eta}{(1475)}}$ width (MeV)

References:

ABLIKIM

2023M

JHEP 2303 121

Study of ?(1405)/?(1475) in $ J/\psi \to \gamma {K}_S^0{K}_S^0{\pi}^0 $ decay

ABLIKIM

2018I

PR D97 051101

Study of $\eta(1475)$ and $X(1835)$ in radiative $J/\psi$ decays to $\gamma \phi$

ABLIKIM

2015T

PRL 115 091803

Observation and Spin-Parity Determination of the ${{\mathit X}{(1835)}}$ in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \eta}}$

ACHARD

2007

JHEP 0703 018

Study of Resonance Formation in the Mass Region $1400 - 1500$ MeV through the Reaction ${{\mathit \gamma}}$ ${{\mathit \gamma}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$

NICHITIU

2002

PL B545 261

Study of the ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ Final State in Antiproton Annihilation at Rest if Gaseous Hydrogen at NTP with the OBELIX Spectrometer

ADAMS

2001B

PL B516 264

Observation of Pseudoscalar and Axial Vector Resonances in ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit n}}$ at 18 GeV

CICALO

1999

PL B462 453

Evidence for Two Pseudoscalar States in the 1.4 to 1.5 GeV Mass Region

BERTIN

1997

PL B400 226

A Search for Axial Vectors in ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{\pm}}{{\mathit K}^{0}}$ $_{miss}$ ${{\mathit \pi}^{\mp}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ Annihilations at Rest in Gaseous Hydrogen at NTP

BERTIN

1995

PL B361 187

$\mathit E/\iota $ Decays to ${{\mathit K}}$ ${{\overline{\mathit K}}}{{\mathit \pi}}$ in ${{\overline{\mathit p}}}{{\mathit p}}$ Annihilation at Rest

AUGUSTIN

1992

PR D46 1951

Partial Wave Analysis of DM2 Data in the ${{\mathit \eta}{(1430)}}$ Energy Range

BAI

1990C

PRL 65 2507

Partial Wave Analysis of ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\pm}}$

RATH

1989

PR D40 693

The ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$ System Produced in ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ Interactions at 21.4 ${\mathrm {GeV/}}\mathit c$