Latest results from the VES experiment
Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields(2008)
Abstract
Summary We present here the results of the VES experiment obtained in 1992–1993: 1) The partial-wave analysis (PWA) has been performed
for the reactions
$$\pi ^ - \mathcal{N} \to \eta \pi ^ - \mathcal{N}$$
and
$$\pi ^ - \mathcal{N} \to \eta \pi ^ - \mathcal{N}$$
. It has been shown that the intensity of the exotic wave withJ
PC=1−+ for the η′π- system significantly exceeds that for the ηπ- system. 2) The PWA has been performed for the reactions
$$\pi ^ - \mathcal{N} \to \pi ^ + \pi ^ - \pi ^ - \mathcal{N}$$
and
$$\pi ^ - \mathcal{N} \to {\rm K}^ + {\rm K}^ - \pi ^ - \mathcal{N}$$
. The resonance atm=1.8 GeV withJ
PC=0−+ is clearly seen in both reactions. 3) The radiative decay f1→π(770)γ has been studied. The measured BR(f1(1285)→p
0(770)γ)=(3.0±0.7(stat)±0.6(syst))·10-2.
MoreTranslated text
Key words
Mesons and meson resonances, Conference proceedings
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