${{\mathit \chi}_{{c1}}{(4274)}}$ MASS

INSPIRE   PDGID:
M233M
VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 4286 {}^{+8}_{-9}}$ OUR AVERAGE  Error includes scale factor of 1.7.
$4294$ $\pm4$ ${}^{+3}_{-6}$ 24k 1
AAIJ
2021E
 LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
$4274.4$ ${}^{+8.4}_{-6.7}$ $\pm1.9$ 22 2
AALTONEN
2017
CDF ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$4273.3$ $\pm8.3$ ${}^{+17.2}_{-3.6}$ 4289 3, 4
AAIJ
2017C
 LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
1  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 18 $\sigma $.
2  From a fit to the invariant mass spectrum with a significance of 3.1 $\sigma $.
3  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 6.0 $\sigma $.
4  Superseded by AAIJ 2021E.
References:
AAIJ 2021E
PRL 127 082001 Observation of New Resonances Decaying to $J/\psi K^+$+ and $J/\psi \phi$
AAIJ 2017C
PRL 118 022003 Observation of ${{\mathit J / \psi}}{{\mathit \phi}}$ Structures Consistent with Exotic States from Amplitude Analysis of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ Decays
Also
PR D95 012002 Amplitude Analysis of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ Decays
AALTONEN 2017
MPL A32 1750139 Observation of the ${{\mathit \Upsilon}{(4140)}}$ Structure in the ${{\mathit J / \psi}}{{\mathit \phi}}$ Mass Spectrum in ${{\mathit B}^{\pm}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{\pm}}$ Decays