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

GUO Yu-Ping; PING Rong-Gang; XIAO Zhen-Jun

doi:10.1088/1674-1137/33/4/001

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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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.