Study of $f_1(1420)$ and $\eta (1405)$ in the decay $J/\psi \to \gamma {\pi }^0{\pi }^0{\pi }^0$

Abstract

A partial-wave analysis is performed on the decay $J/\psi \to \gamma {\pi }^0{\pi }^0{\pi }^0$ within the ${\pi }^0{\pi }^0{\pi }^0$ invariant-mass region below 1.6 GeV$/c^2$, using $(10.09\pm 0.04)\times 10^{9}J/\psi$ events collected with the BESIII detector. Significant isospin-violating decays of $\eta (1405)$ and $f_1(1420)$ into $f_0(980){\pi }^0$ are observed. For the first time, three axial-vectors, $f_1(1285)$, $f_1(1420)$ and $f_1(1510)$, are observed to decay into ${\pi }^0{\pi }^0{\pi }^0$. The product branching fractions of these resonances are reported.

References in corpus (29)

• Design and Construction of the BESIII Detector
• The Precision Monte Carlo Event Generator KK For Two-Fermion Final States In e+e- Collisions
• The glueball spectrum from an anisotropic lattice study
• Coherent Exclusive Exponentiation For Precision Monte Carlo Calculations
• Glueballs, Hybrids, Multiquarks. Experimental facts versus QCD inspired concepts
• Glueball Spectrum and Matrix Elements on Anisotropic Lattices
• A comprehensive lattice study of SU(3) glueballs
• The Experimental Status of Glueballs
• TopoAna: A generic tool for the event type analysis of inclusive Monte-Carlo samples in high energy physics experiments
• The puzzle of anomalously large isospin violations in $\eta (1405/1475)\to 3\pi$
• Number of $J/\psi$ events at BESIII
• First observation of $\eta (1405)$ decays into $f_0(980){\pi }^0$
• Understanding the property of $\eta (1405/1475)$ in the $J/\psi$ radiative decay
• Scalar isoscalar mesons and the scalar glueball from radiative $J/\psi$ decays
• Partial Wave Analyses of $J/\psi \to \gamma K^{+}{K}^{-}$ and $\gamma K_S^0{K}_S^0$
• Implications of the Glueball-qqbar filter on the 1++ nonet
• Parameter uncertainties in weighted unbinned maximum likelihood fits
• Observation of B^0_(s) -> J/ψf_1(1285) decays and measurement of the f_1(1285) mixing angle
• Revising the $f_1(1420)$ resonance
• Internal particle width effects on the the triangle singularity mechanism in the study of the $\eta (1405)$ and $\eta (1475)$ puzzle
• Observation of Pseudoscalar and Axial Vector Resonances in pi- p -> K+ K- pi0 n at 18 GeV
• The $K\bar{K}\pi$ decay of the $f_1(1285)$ and its nature as a $K^{\ast }\bar{K}-cc$ molecule
• Study of $J/\psi$ and $\psi (3686)$ decays to ${\pi }^{+}{\pi }^{-}{\eta }^{\prime }$
• Partial-wave analysis of the eta pi+ pi- system produced in the reaction pi-p --> eta pi+ pi- n at 18 GeV/c
• Study of B Meson Decays with Excited eta and eta' Mesons
• Three-body unitary coupled-channel approach to radiative $J/\psi$ decays and $\eta (1405/1475)$
• Study of $\eta (1405)/\eta (1475)$ in $J/\psi \to \gamma K_S^0{K}_S^0{\pi }^0$ decay
• Three-Body Unitary Coupled-Channel Analysis on $\eta (1405/1475)$
• Search for the rare decay ${\eta }^{\prime }\to {\pi }^0{\pi }^0{\pi }^0{\pi }^0$ at BESIII