Chinese Physics C > 2009, Vol. 33 > Issue(4): 245-248 DOI: 10.1088/1674-1137/33/4/001

Study of ππ final state interactions in ψ(2S)→π⁺π^－J/ψ

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Abstract：

The π⁺π^－transition of heavy quarkonia in decay ψ(2S)→π⁺π^－J/ψ is studied. With the BESII data on the decay ψ(2S)→π⁺π^－J/ψ, we update the values of coupling constants (g_i) and chromopolarizability (α_ψ(2S)J/ψ) in this process.
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GUO Yu-Ping, PING Rong-Gang and XIAO Zhen-Jun. Study of ππ final state interactions in ψ(2S)→π ⁺π ^－J/ψ[J]. Chinese Physics C, 2009, 33(4): 245-248. doi: 10.1088/1674-1137/33/4/001

GUO Yu-Ping, PING Rong-Gang and XIAO Zhen-Jun. Study of ππ final state interactions in ψ(2S)→π ⁺π ^－J/ψ[J]. Chinese Physics C, 2009, 33(4): 245-248. doi:10.1088/1674-1137/33/4/001 shu

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Received: 2008-08-27
Revised: 2008-11-25

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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

Study of ππ final state interactions in ψ(2S)→π⁺π^－J/ψ

Corresponding author:GUO Yu-Ping,

Received Date:2008-08-27
Accepted Date:2008-11-25
Available Online:2009-04-05

Abstract:

The π⁺π^－transition of heavy quarkonia in decay ψ(2S)→π⁺π^－J/ψ is studied. With the BESII data on the decay ψ(2S)→π⁺π^－J/ψ, we update the values of coupling constants (g_i) and chromopolarizability (α_ψ(2S)J/ψ) in this process.