${{\boldsymbol \eta}{(1405)}}$ MASS

${{\boldsymbol K}}{{\overline{\boldsymbol K}}}{{\boldsymbol \pi}}$ MODE (unresolved) INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
• • • We do not use the following data for averages, fits, limits, etc. • • •
$1452.7$ $\pm3.3$ 191 1, 2
ABLIKIM
2013M
BES3 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit K}}{{\mathit K}}{{\mathit \pi}}$
$1437.6$ $\pm3.2$ $249$ $\pm35$ 1, 2
ABLIKIM
2008E
BES2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit K}_S^0}$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}$ + c.c.
$1445.9$ $\pm5.7$ $62$ $\pm18$ 1, 2
ABLIKIM
2008E
BES2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$1442$ $\pm10$ 410 1
BAI
1998C
BES ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$1445$ $\pm8$ 693 1
AUGUSTIN
1990
DM2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$
$1433$ $\pm8$ 296 1
AUGUSTIN
1990
DM2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$1413$ $\pm8$ 500 1
DUCH
1989
ASTE ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}{{\mathit K}^{0}}$
$1453$ $\pm7$ 170 1
RATH
1989
MPS 21.4 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}{{\mathit n}}$
$1419$ $\pm1$ 8800 1
BIRMAN
1988
MPS 8 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\overline{\mathit K}}^{0}}{{\mathit \pi}^{-}}{{\mathit n}}$
$1424$ $\pm3$ 620 1
REEVES
1986
SPEC 6.6 ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$ X
$1421$ $\pm2$ 1
CHUNG
1985
SPEC 8 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}{{\mathit n}}$
$1440$ ${}^{+20}_{-15}$ 174 1
EDWARDS
1982E
CBAL ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$1440$ ${}^{+10}_{-15}$ 1
SCHARRE
1980
MRK2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$
$1425$ $\pm7$ 800 1, 3
BAILLON
1967
HBC 0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}{{\mathit \pi}}{{\mathit \pi}}$
1  These experiments identify only one pseudoscalar in the $1400 - 1500$ range. Data could also refer to ${{\mathit \eta}{(1475)}}$.
2  Systematic uncertainty not evaluated.
3  From best fit of ${}^{}0{}^{-+}$ partial wave , 50$\%$ ${{\mathit K}^{*}{(892)}}{{\mathit K}}$ , 50$\%$ ${{\mathit a}_{{0}}{(980)}}{{\mathit \pi}}$ .
  References:
ABLIKIM 2013M
PR D87 092006 Study of ${{\mathit \psi}{(3686)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit K}}{{\mathit K}^{-}}{{\mathit \pi}}$ Decays
ABLIKIM 2008E
PR D77 032005 Measurements of ${{\mathit J / \psi}}$ Decays into ${{\mathit \omega}}{{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$ and ${{\mathit \phi}}{{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$
BAI 1998C
PL B440 217 Partial Wave Analysis of ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
AUGUSTIN 1990
PR D42 10 Radiative Decay of ${{\mathit J / \psi}}$ into ${{\mathit \eta}{(1430)}}$ and Nearby States
DUCH 1989
ZPHY C45 223 Observation and Analysis of ${{\mathit E}}$ Mesons in ${{\overline{\mathit p}}}{{\mathit p}}$ Annihilation at Rest in H$_{2}$ Gas
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 ${\mathrm {GeV/}}\mathit c$
BIRMAN 1988
PRL 61 1557 Partial Wave Analysis of the ${{\mathit K}^{+}}{{\overline{\mathit K}}^{0}}{{\mathit \pi}^{-}}$ System
REEVES 1986
PR D34 1960 Spin Parity Analysis of ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit E}{(1420)}}{{\mathit X}}$
CHUNG 1985
PRL 55 779 Spin and Parity Analysis of ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$ System in the ${{\mathit D}}$ and $\mathit E/\iota $ Regions
EDWARDS 1982E
PRL 49 259 Identification of a Pseudoscalar State at 1440 MeV in ${{\mathit J / \psi}}$ Radiative Decays
SCHARRE 1980
PL 97B 329 Observation of the Radiative Transition ${{\mathit \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit E}{(1420)}}$
BAILLON 1967
NC 50A 393 Further Study of the ${{\mathit e}}$-Meson in Antiproton Proton Annihilation at Rest