KLOE results on scalar and pseudoscalar mesons

<P>P. Gauzzi (for the KLOE collaboration)</P>

doi:10.1088/1674-1137/34/6/004

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2024年10月30日

Chinese Physics C> 2010, Vol. 34> Issue(6) : 632-637 DOI: 10.1088/1674-1137/34/6/004

KLOE results on scalar and pseudoscalar mesons

P. Gauzzi (for the KLOE collaboration)

Sapienza Università di Roma and INFN Sezione di Roma P.le A.Moro, 2 - 00185 Rome (Italy)

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Abstract：
The data collected by the KLOE Collaboration at the Frascati φ-factory DAΦNE from 2001 to 2006 have been used for extensive studies in meson spectroscopy. The decays of the scalar mesons a₀(980) and f₀(980) into two pseudoscalar mesons have been exploited to measure the relevant parameters of those resonances. The radiative decays φ→ηγ and η′γ have been used for the determination of the pseudoscalar mixing angle and to search for a possible gluonium content in the η′. The dynamics of the η→3π decay has been studied and the Dalitz Plot parameters have been measured. The large amount of η mesons produced allowed also to study interesting rare η decays.

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[15]	V. Bellini , J.P. Bouquet , L. Casano , A. D'Angelo , J.P. Didelez . Latest results from GRAAL collaboration. Chinese Physics C, 2009, 33(12): 1249-1253. doi: 10.1088/1674-1137/33/12/032
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P. Gauzzi (for the KLOE collaboration)

. KLOE results on scalar and pseudoscalar mesons[J]. Chinese Physics C, 2010, 34(6): 632-637. doi: 10.1088/1674-1137/34/6/004

P. Gauzzi (for the KLOE collaboration)

. KLOE results on scalar and pseudoscalar mesons[J]. Chinese Physics C, 2010, 34(6): 632-637. doi: 10.1088/1674-1137/34/6/004 shu

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Received: 2010-01-25
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

KLOE results on scalar and pseudoscalar mesons

P. Gauzzi (for the KLOE collaboration)

Sapienza Università di Roma and INFN Sezione di Roma P.le A.Moro, 2 - 00185 Rome (Italy)

Received Date: 2010-01-25
Accepted Date: 1900-01-01
Available Online: 2010-06-05

Abstract: The data collected by the KLOE Collaboration at the Frascati φ-factory DAΦNE from 2001 to 2006 have been used for extensive studies in meson spectroscopy. The decays of the scalar mesons a₀(980) and f₀(980) into two pseudoscalar mesons have been exploited to measure the relevant parameters of those resonances. The radiative decays φ→ηγ and η′γ have been used for the determination of the pseudoscalar mixing angle and to search for a possible gluonium content in the η′. The dynamics of the η→3π decay has been studied and the Dalitz Plot parameters have been measured. The large amount of η mesons produced allowed also to study interesting rare η decays.