Measurements of the γγ*→π0 and γγ*→ηc transition form factors at BABAR

V. P. Druzhinin

doi:10.1088/1674-1137/34/6/033

Chinese Physics C> 2010, Vol. 34> Issue(6) : 816-821 DOI: 10.1088/1674-1137/34/6/033

Measurements of the γγ^→π⁰ and γγ^→η_c transition form factors at BABAR

V. P. Druzhinin ^,

Budker Institute of Nuclear Physics, Novosibirsk 630090, Russia

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We present measurements of the γγ^*→π⁰ transition form factor for the momentum transfer range Q²=4—40 GeV² and the γγ^*→η_c transition form factor for the range Q²=2—50 GeV². The current status of measurements of the meson-photon transition form factors for the η and η′ mesons is discussed. The results of the measurement of the η_c mass, total and two-photon widths are also presented.

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V. P. Druzhinin. Measurements of the γγ^*→π⁰ and γγ^*→η_c transition form factors at BABAR[J]. Chinese Physics C, 2010, 34(6): 816-821. doi: 10.1088/1674-1137/34/6/033

V. P. Druzhinin. Measurements of the γγ^*→π⁰ and γγ^*→η_c transition form factors at BABAR[J]. Chinese Physics C, 2010, 34(6): 816-821. doi: 10.1088/1674-1137/34/6/033 shu

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Received: 2010-01-26
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurements of the γγ^→π⁰ and γγ^→η_c transition form factors at BABAR

V. P. Druzhinin ^,

Corresponding author: V. P. Druzhinin,

Budker Institute of Nuclear Physics, Novosibirsk 630090, Russia

Received Date: 2010-01-26
Accepted Date: 1900-01-01
Available Online: 2010-06-05

Abstract:

We present measurements of the γγ^*→π⁰ transition form factor for the momentum transfer range Q²=4—40 GeV² and the γγ^*→η_c transition form factor for the range Q²=2—50 GeV². The current status of measurements of the meson-photon transition form factors for the η and η′ mesons is discussed. The results of the measurement of the η_c mass, total and two-photon widths are also presented.

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Measurements of the γγ^→π⁰ and γγ^→η_c transition form factors at BABAR

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Measurements of the γγ^→π⁰ and γγ^→η_c transition form factors at BABAR

Corresponding author: V. P. Druzhinin,

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