${{\boldsymbol X}{(3915)}}$ MASS INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 3918.4 \pm1.9}$ OUR AVERAGE
$3919.4$ $\pm2.2$ $\pm1.6$ $59$ $\pm10$
LEES
2012AD
BABR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \omega}}{{\mathit J / \psi}}$
$3919.1$ ${}^{+3.8}_{-3.4}$ $\pm2.0$
DEL-AMO-SANCH..
2010B
BABR ${{\mathit B}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}{{\mathit K}}$
$3915$ $\pm3$ $\pm2$ $49$ $\pm15$
UEHARA
2010
BELL 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \omega}}{{\mathit J / \psi}}$
$3943$ $\pm11$ $\pm13$ $58$ $\pm11$ 1
CHOI
2005
BELL ${{\mathit B}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}{{\mathit K}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$3926.4$ $\pm2.2$ $\pm1.2$ 2
ABLIKIM
2019V
BES ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \omega}}{{\mathit J / \psi}}$
$3914.6$ ${}^{+3.8}_{-3.4}$ $\pm2.0$ 1
AUBERT
2008W
BABR Superseded by DEL-AMO-SANCHEZ 2010B
1  ${{\mathit \omega}}{{\mathit J / \psi}}$ threshold enhancement fitted as an S-wave Breit-Wigner resonance.
2  Could also be ${{\mathit X}{(3940)}}$. Significance 3.1$\sigma $. Fit with additional resonance at $3963.7$ $\pm5.7$ MeV, significance 3.4$\sigma $.
  References:
ABLIKIM 2019V
PRL 122 232002 Study of $e^+e^- \to \gamma \omega J/\psi$ and Observation of $X(3872) \to \omega J/\psi$
LEES 2012AD
PR D86 072002 Study of ${{\mathit X}{(3915)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \omega}}$ in Two-Photon Collisions
DEL-AMO-SANCHEZ 2010B
PR D82 011101 Evidence for the Decay ${{\mathit X}{(3872)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \omega}}$
UEHARA 2010
PRL 104 092001 Observation of a Charmoniumlike Enhancement in the ${{\mathit \gamma}}$ ${{\mathit \gamma}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}$ Process
AUBERT 2008W
PRL 101 082001 Observation of ${{\mathit Y}{(3940)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \omega}}$ in ${{\mathit B}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \omega}}{{\mathit K}}$ at BABAR
CHOI 2005
PRL 94 182002 Observation of a Near-Threshold ${{\mathit \omega}}{{\mathit J / \psi}}$ Mass Enhancement in Exclusive ${{\mathit B}}$ $\rightarrow$ ${{\mathit K}}{{\mathit \omega}}{{\mathit J / \psi}}$ Decays