A preliminary final state analysis of a sample of in-flight annihilations into three and five charged pions is presented. The partial-wave analysis of three-prong data confirms previous interpretations of the resonance, from annihilations at rest. Concerning five-prong events our analysis favours spin 0 for the already reported ζ(1480) state, but more refined calculations are underway. At high momenta, the five-prong data show some evidence for a possible spin 2 state at 1640 MeV/c2 decaying in ρ°ρ°.
Titolo: | New results on meson spectroscopy from Obelix |
Autori: | |
Data di pubblicazione: | 1993 |
Rivista: | |
Abstract: | A preliminary final state analysis of a sample of in-flight annihilations into three and five charged pions is presented. The partial-wave analysis of three-prong data confirms previous interpretations of the resonance, from annihilations at rest. Concerning five-prong events our analysis favours spin 0 for the already reported ζ(1480) state, but more refined calculations are underway. At high momenta, the five-prong data show some evidence for a possible spin 2 state at 1640 MeV/c2 decaying in ρ°ρ°. |
Handle: | http://hdl.handle.net/11368/2714881 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/0375-9474(93)90379-C |
Appare nelle tipologie: | 1.1 Articolo in Rivista |
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