${{\mathit \chi}_{{c1}}{(4140)}}$ WIDTH

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
 $\bf{ 19 {}^{+7}_{-5}}$ OUR AVERAGE
$162$ $\pm21$ ${}^{+24}_{-49}$ 24k 1
 2021 E
LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
$15.3$ ${}^{+10.4}_{-6.1}$ $\pm2.5$ 19 2
 2017
CDF ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
$16.3$ $\pm5.6$ $\pm11.4$ 616 3
 2015 M
D0 ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{+}$ anything
$20$ $\pm13$ ${}^{+3}_{-8}$ 52 4
 2014 A
D0 ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
$28$ ${}^{+15}_{-11}$ $\pm19$ 0.3k 5
 2014 M
CMS ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$83$ $\pm21$ ${}^{+21}_{-14}$ 4289 6, 7
 2017 C
LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
$11.7$ ${}^{+8.3}_{-5.0}$ $\pm3.7$ 14 8, 9
 2009 AH
CDF ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
 1 From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 13 $\sigma$.
 2 Statistical significance of more than 5 $\sigma$.
 3 Statistical significance of more than 6 ${{\mathit \sigma}}$.
 4 Statistical significance of 3.1 $\sigma$.
 5 From a fit assuming an ${\mathit S}{\mathrm -wave}$ relativistic Breit-Wigner shape above a three-body phase-space non-resonant component with statistical significance of more than 5 ${{\mathit \sigma}}$.
 6 From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 8.4 $\sigma$.
 7 Superseded by AAIJ 2021E.
 8 Statistical significance of 3.8 $\sigma$.
 9 Superseded by AALTONEN 2017 .
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
 ABAZOV 2015M
PRL 115 232001 Inclusive Production of the ${{\mathit X}{(4140)}}$ State in ${{\mathit p}}{{\overline{\mathit p}}}$ Collisions at D0
 ABAZOV 2014A
PR D89 012004 Search for the ${{\mathit X}{(4140)}}$ State in ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ Decays with the ${D0}$ Detector
 CHATRCHYAN 2014M
PL B734 261 Observation of a Peaking Structure in the ${{\mathit J / \psi}}{{\mathit \phi}}$ Mass Spectrum from ${{\mathit B}^{\pm}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{\pm}}$ Decays
 AALTONEN 2009AH
PRL 102 242002 Evidence for a Narrow Near-Threshold Structure in the ${{\mathit J / \psi}}{{\mathit \phi}}$ Mass Spectrum in ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ Decays