Chinese Physics C > 1996, Vol. 20 > Issue(11): 961-971

Structure Analysis of the l/η(1440)

BES Collaboration

Insitute of High Energy Physics, The Chinese Acadamy of Scinces, Beijing100039

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Abstract：
By an amplitudes analysis of the KKπ system in the J/ψ radiative decay to the K ⁺K ^－π ^Oand the K ⁰ _SK ^±π ⁺final states, we find that there is one 0 ^－+resonance (M=1467±3MeV,Γ=89±6MeV) and two 1 ⁺⁺resonances (M=1435±3MeV,Γ=59±5MeV and M=1497±2MeV,Γ=44±7MeV), Which are consistent with the η(1440), the f ₁(1420), and the f ₁(1510).

References

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BES Collaboration. Structure Analysis of the l/η(1440)[J]. Chinese Physics C, 1996, 20(11): 961-971.

BES Collaboration. Structure Analysis of the l/η(1440)[J]. Chinese Physics C, 1996, 20(11): 961-971. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Structure Analysis of the l/η(1440)

BES Collaboration

Insitute of High Energy Physics, The Chinese Acadamy of Scinces, Beijing100039

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1996-11-05

Abstract:By an amplitudes analysis of the KKπ system in the J/ψ radiative decay to the K⁺K^－π^Oand the K⁰_SK^±π⁺final states, we find that there is one 0^－+resonance (M=1467±3MeV,Γ=89±6MeV) and two 1⁺⁺resonances (M=1435±3MeV,Γ=59±5MeV and M=1497±2MeV,Γ=44±7MeV), Which are consistent with the η(1440), the f₁(1420), and the f₁(1510).