Branching fraction of the isospin violating process φ → ωπ<SUP>0</SUP>

YUAN Chang-Zheng; MO Xiao-Hu; WANG Ping

doi:10.1088/1674-1137/35/6/006

Chinese Physics C> 2011, Vol. 35> Issue(6) : 543-544 DOI: 10.1088/1674-1137/35/6/006

Branching fraction of the isospin violating process φ → ωπ⁰

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Abstract：
We have examined the parametrization of the e⁺e^- → ωπ⁰ cross section in the vicinity of the φ resonance and the extraction of the branching fraction of the isospin violating process φ → ωπ⁰ from experimental data. We found that there are two possible solutions of the branching fraction: one is 4 × 10^-5, and the other is 7 × 10^-3. The latter is two orders of magnitude higher than the former, which is the commonly accepted one.

References

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YUAN Chang-Zheng, MO Xiao-Hu and WANG Ping. Branching fraction of the isospin violating process φ → ωπ⁰[J]. Chinese Physics C, 2011, 35(6): 543-544. doi: 10.1088/1674-1137/35/6/006

YUAN Chang-Zheng, MO Xiao-Hu and WANG Ping. Branching fraction of the isospin violating process φ → ωπ⁰[J]. Chinese Physics C, 2011, 35(6): 543-544. doi: 10.1088/1674-1137/35/6/006 shu

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Received: 2010-10-25
Revised: 2010-11-08

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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

Branching fraction of the isospin violating process φ → ωπ⁰

Received Date: 2010-10-25

Accepted Date: 2010-11-08

Available Online: 2011-06-05

Abstract: We have examined the parametrization of the e⁺e^- → ωπ⁰ cross section in the vicinity of the φ resonance and the extraction of the branching fraction of the isospin violating process φ → ωπ⁰ from experimental data. We found that there are two possible solutions of the branching fraction: one is 4 × 10^-5, and the other is 7 × 10^-3. The latter is two orders of magnitude higher than the former, which is the commonly accepted one.

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Branching fraction of the isospin violating process φ → ωπ⁰

Branching fraction of the isospin violating process φ → ωπ⁰