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${{\mathit \phi}{(2170)}}$ MASS

INSPIRE   PDGID:

M103M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 2163 \pm7}$ OUR AVERAGE  Error includes scale factor of 1.1. $2190$ $\pm19$ $\pm37$ 1 ABLIKIM 2022 L BES3 $2.0 - 3.08$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$ $2176$ $\pm24$ $\pm3$ 2 ABLIKIM 2021 A BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \eta}}$ $2163.5$ $\pm6.2$ $\pm3.0$ 3 ABLIKIM 2021 T BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \eta}}$ $2177.5$ $\pm4.8$ $\pm19.5$ 4 ABLIKIM 2020 M BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit \phi}}$ $2126.5$ $\pm16.8$ $\pm12.4$ 5 ABLIKIM 2020 S BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ • • We do not use the following data for averages, fits, limits, etc. • • $2273.7$ $\pm5.7$ $\pm19.3$ 6 ABLIKIM 2021 AP BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_L^0}$ $2135$ $\pm8$ $\pm9$ 95 ABLIKIM 2019 I BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \phi}}{{\mathit f}_{{0}}{(980)}}$ $2239.2$ $\pm7.1$ $\pm11.3$ 7 ABLIKIM 2019 L BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ $2200$ $\pm6$ $\pm5$ 471 ABLIKIM 2015 H BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \phi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $2180$ $\pm8$ $\pm8$ 8, 9 LEES 2012 F BABR 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ $2079$ $\pm13$ ${}^{+79}_{-28}$ 4.8k 10 SHEN 2009 BELL 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ $2186$ $\pm10$ $\pm6$ 52 ABLIKIM 2008 F BES ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \phi}}{{\mathit f}_{{0}}{(980)}}$ $2125$ $\pm22$ $\pm10$ 483 AUBERT 2008 S BABR 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \eta}}{{\mathit \gamma}}$ $2192$ $\pm14$ 116 11 AUBERT 2007 AK BABR 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ $2169$ $\pm20$ 149 11 AUBERT 2007 AK BABR 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \gamma}}$ $2175$ $\pm10$ $\pm15$ 201 9, 12 AUBERT,BE 2006 D BABR 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}}{{\mathit \pi}}{{\mathit \gamma}}$ 1  By a simultaneous fit of the ${{\mathit K}_{{2}}^{*}{(1430)}^{+}}{{\mathit K}^{-}}$ and ${{\mathit K}^{*}{(892)}^{+}}{{\mathit K}^{-}}$ intermediate channels in a partial-wave analysis, assuming the same structure, modelled with a coherent sum of a nonresonant component and a resonant component by a Breit-Wigner function. 2  From a fit to the cross section between 2.00 and 3.08 GeV with a coherent sum of Breit-Wigner amplitudes, including contributions from ${{\mathit \omega}{(1420)}}$ and ${{\mathit \omega}{(1650)}}/{{\mathit \phi}{(1680)}}$. 3  From a fit to the cross section below 3.5 GeV measured by BaBar and BESIII with a coherent sum of two modified Breit-Wigner amplitudes (${{\mathit \phi}{(1680)}}$ and ${{\mathit \phi}{(2170)}}$) and a nonresonant term. 4  From a fit using a coherent sum of a phase-space modified Breit-Wigner function and a phase-space term. 5  By a simultaneous fit of the intermediate channels in a partial-wave analysis, assuming the same structure, modelled with a coherent sum of a nonresonant component and a resonant component by a Breit-Wigner function. 6  From a fit to the cross section between 2.00 and 3.08 GeV with a sum of Breit-Wigner amplitude and a nonresonant contribution. The observed structure can be also due to ${{\mathit \rho}{(2150)}}$. 7  The observed structure can be due to both the ${{\mathit \phi}{(2170)}}$ and ${{\mathit \rho}{(2150)}}$. 8  Fit includes interference with the ${{\mathit \phi}{(1680)}}$. 9  From the ${{\mathit \phi}}{{\mathit f}_{{0}}{(980)}}$ component. 10  From a fit with two incoherent Breit-Wigners. 11  From the ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit f}_{{0}}{(980)}}$ component. 12  Superseded by LEES 2012F.

References:

ABLIKIM 2022L JHEP 2207 045 Measurement of $e^{+}e^{-} \to K^{+}K^{-}\pi^{0}$ cross section and observation of a resonant structure ABLIKIM 2021AP PR D104 092014 Cross section measurement of $e^{+}e^{-} \to K_{S}^{0}K_{L}^{0}$ at $\sqrt{s}=2.00-3.08~{GeV}$ ABLIKIM 2021T PR D104 032007 Study of the process $e^{+}e^{-}\rightarrow\phi\eta$ at center-of-mass energies between 2.00 and 3.08 GeV ABLIKIM 2021A PL B813 136059 Observation of a resonant structure in $e^{+}e^{-} \to \omega\eta$ and another in $e^{+}e^{-} \to \omega\pi^{0}$ at center-of-mass energies between 2.00 and 3.08 GeV ABLIKIM 2020M PR D102 012008 Observation of a structure in $e^{+}e^{-} \to \phi \eta^{\prime}$ at $\sqrt{s}$ from 2.05 to 3.08 GeV ABLIKIM 2020S PRL 124 112001 Observation of a Resonant Structure in $e^{+}e^{-} \to K^{+}K^{-}\pi^{0}\pi^{0}$ ABLIKIM 2019I PR D99 012014 Observation of $e^+ e^- \to \eta Y(2175)$ at center-of-mass energies above 3.7 GeV ABLIKIM 2019L PR D99 032001 Measurement of $e^{+} e^{-} \rightarrow K^{+} K^{-}$ cross section at $\sqrt{s} = 2.00 - 3.08$ GeV ABLIKIM 2015H PR D91 052017 Study of ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \phi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ at BESIII LEES 2012F PR D86 012008 Cross Sections for the Reactions ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ , and ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ Measured using Initial-State Radiation Events SHEN 2009 PR D80 031101 Observation of the ${{\mathit \phi}{(1680)}}$ and the ${{\mathit Y}{(2175)}}$ in ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ABLIKIM 2008F PRL 100 102003 Observation of ${{\mathit Y}{(2175)}}$ in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \phi}}{{\mathit f}_{{0}}{(980)}}$ AUBERT 2008S PR D77 092002 Measurements of ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \eta}}$ , ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$ , and ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$ Cross Sections using Initial State Radiation Events AUBERT 2007AK PR D76 012008 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ and ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ Cross Sections Measured with Initial-State Radiation AUBERT,BE 2006D PR D74 091103 Structure at 2175 MeV in ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit f}_{{0}}{(980)}}$ Observed via Initial-State Radiation