Strong and electromagnetic J/ψ and ψ(2S) decays into pion and kaon pairs

Henryk Czyz; Agnieszka Grzelinska

doi:10.1088/1674-1137/34/6/039

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2024年10月30日

Chinese Physics C> 2010, Vol. 34> Issue(6) : 855-859 DOI: 10.1088/1674-1137/34/6/039

Strong and electromagnetic J/ψ and ψ(2S) decays into pion and kaon pairs

Henryk Czyz ^, ,
Agnieszka Grzelinska

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Abstract：
We discuss interference effects important for the form factors extraction in the vicinity of J/ψ and ψ(2S) resonances in combination with resonance parameters determination. The implementation to the Monte Carlo event generator PHOKHARA of the J/ψ and ψ(2S) contributions to the muon, pion and kaon pairs production associated with a photon at next-to-leading order is also described.

References

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[19]	BES Collaboration . Study of ψ(2S) Decay to τ Lepton Pairs. Chinese Physics C, 1995, 19(7): 577-584.
[20]	Tian Lili , Xie Qubing . Strong γ Decays Via Three Gluons. Chinese Physics C, 1993, 17(S3): 239-247.

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Henryk Czyz and Agnieszka Grzelinska. Strong and electromagnetic J/ψ and ψ(2S) decays into pion and kaon pairs[J]. Chinese Physics C, 2010, 34(6): 855-859. doi: 10.1088/1674-1137/34/6/039

Henryk Czyz and Agnieszka Grzelinska. Strong and electromagnetic J/ψ and ψ(2S) decays into pion and kaon pairs[J]. Chinese Physics C, 2010, 34(6): 855-859. doi: 10.1088/1674-1137/34/6/039 shu

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Received: 2010-02-05
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

Strong and electromagnetic J/ψ and ψ(2S) decays into pion and kaon pairs

Henryk Czyz ^,
Agnieszka Grzelinska

Corresponding author: Henryk Czyz,

Received Date: 2010-02-05
Accepted Date: 1900-01-01
Available Online: 2010-06-05

Abstract:

We discuss interference effects important for the form factors extraction in the vicinity of J/ψ and ψ(2S) resonances in combination with resonance parameters determination. The implementation to the Monte Carlo event generator PHOKHARA of the J/ψ and ψ(2S) contributions to the muon, pion and kaon pairs production associated with a photon at next-to-leading order is also described.