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

INSPIRE   PDGID:

M193M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 4146.5 \pm3.0}$ OUR AVERAGE  Error includes scale factor of 1.3.  See the ideogram below. $4118$ $\pm11$ ${}^{+19}_{-36}$ 24k 1 AAIJ 2021 E LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ $4143.4$ ${}^{+2.9}_{-3.0}$ $\pm0.6$ 19 2 AALTONEN 2017 CDF ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ $4152.5$ $\pm1.7$ ${}^{+6.2}_{-5.4}$ 616 3 ABAZOV 2015 M D0 ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{+}$ anything $4159.0$ $\pm4.3$ $\pm6.6$ 52 4 ABAZOV 2014 A D0 ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ $4148.0$ $\pm2.4$ $\pm6.3$ 0.3k 5 CHATRCHYAN 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. • • $4146.5$ $\pm4.5$ ${}^{+4.6}_{-2.8}$ 4289 6, 7 AAIJ 2017 C LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ $4143.0$ $\pm2.9$ $\pm1.2$ 14 8, 9 AALTONEN 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B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 8.4 $\sigma $. 7  Superseded by AAIJ 2021E. 8  Statistical significance of 3.8 $\sigma $. 9  Superseded by AALTONEN 2017 .

${{\mathit \chi}_{{{c1}}}{(4140)}}$ MASS (MeV)

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