Measurement of the final states $\omega {\pi }^0$, $\rho \eta$, and $\rho {\eta }^{{}^{\prime }}$ from $\psip$ electromagnetic decays and $\ee$ annihilations

Abstract

Cross sections and form factors for $\ee \to \wpi$, $\rho \eta$, and $ρ\etap$ at center of mass energies of 3.650, 3.686, and 3.773 GeV are measured using data samples collected with the BESII detector at the BEPC. Also, the branching fractions of $ψ(2S) \rar \wpi$, $\rho \eta$, and $ρ\etap$ are determined to be $(1.87_{-0.62}^{+0.68}\pm 0.28)\times 10^{-5}$, $(1.78_{-0.62}^{+0.67}\pm 0.17)\times 10^{-5}$, and $(1.87_{-1.11}^{+1.64}\pm 0.33)\times 10^{-5}$, respectively.

8 pages, 4 figures, 4 tables

References in corpus (10)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Including Systematic Uncertainties in Confidence Interval Construction for Poisson Statistics
• a_1(1260) dominance in the process e+e- \to 4πat energies 1.05--1.38 GeV
• A possible hadronic excess in psi(2S) decay and rho-pi puzzle
• Measurement of the Branching Fraction of J/psi --> pi+ pi- pi0
• A large final-state interaction in the 0-0- decays of J/psi
• Measuring psi(3770) --> rho pi in e+e- experiment
• Possible large phase in psi(2S) -> 1-0- Decays
• The Form Factors of omega pi0 and pi+ pi- at psi(2S)
• Tests for the asymptotic behaviour of the gamma^* --> gamma pi^0 form factor

Cited by in corpus (22)

• Heavy quarkonium: progress, puzzles, and opportunities
• Quarkonia and their transitions
• Measurement of the eta and etaprime transition form factors at q^2=112 GeV^2
• Decay of the psi(3770) to Light Hadrons
• Decays of $J/\psi$ and ${\psi }^{\prime }$ into vector and pseudoscalar meson and the pseudoscalar glueball-$q\bar{q}$ mixing
• Psi'' decays to charmless final states
• Observation of 1^-0^- Final States from psi(2S) Decays and e^+e^- Annihilation
• Branching Fraction Measurements of psi(2S) Decay to Baryon-Antibaryon Final States
• Search for psi(3770)\raρπat the BESII detector at the Beijing Electron-Positron Collider
• Study of $J/\psi$ and $\psi (3686)$ decays to ${\pi }^{+}{\pi }^{-}{\eta }^{\prime }$
• Exclusive processes $e^{+}{e}^{-}\to VP$ in $k_T$ factorization
• First observation of $\psi (2S)\to p\bar{n}{\pi }^{-}+c.c.$
• Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV
• Measurement of the exclusive light hadron decays of the psi'' in e+e- experiments
• Measurements of $\psip$ decays into $\gamma K\bar{K}\pi$ and $γη\pipi$
• On the constituent counting rules for hard exclusive processes involving multiquark states
• Measurement of cross sections of exclusive $e^{+}{e}^{-}\to VP$ processes at $\sqrt{s}=10.58$ GeV
• Perturbative QCD Analysis of Exclusive Processes $e^{+}{e}^{-}\to VP$ and $e^{+}{e}^{-}\to TP$
• Survival before annihilation in Psi-prime decays
• Experimental study of psi' decays to K+K- pi^0 and K+K- eta
• Pseudoscalar mixing in J/psi and psi(2S) decay
• A new $G$-parity violating amplitude in the $J/\psi$ decay?