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Resonances in ηππ and ωω systems studied on the VES setup by D Ryabchikov; D Bugg is a Physics and Astronomy article available to read on EtoBox.

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Nuclear Physics A675 (2000) 201c-204c =HYSlBS A www.elsevier.nl/locate/npe Resonances in rpr~r and ww systems studied on the VES setup D.Ryabchikov% D.Bugg b, VES collaboration \* ~IHEP, Protvino bQWMC, London The ~r~r and ww systems produced in the It-Be interactions with 37GeV/c ~r-beam have been studied at the VES spectrometer. For the unnatural-parity exchange, the isoscalar channels demonstrate similar structures in ~pr-r + and ww final states, while the amplitudes with I = 1 have the same behaviour for yTc+~r -and y~r-~r °. The I = 0 jPC = 2 ++ amplitudes show the signal of f2( 1565) meson which decays to a2(1320)~r-and ww. The f2(1920) meson is observed in ww. In the I = 0 jPC .= 4++ intensities there are signals from f4(2050) and f4(2330) mesons. The I = 1 jPC = 3--waves demonstrate the presence of p3(1690) meson in a2(1320)~r and pr] decay modes. 3--waves at higher masses have complex behaviour and can be modelled by the further 3--resonances.

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Author

D Ryabchikov; D Bugg

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0375-9474)

Published

2000

Language

EN

Field

Physics and Astronomy (Physical Sciences)