Identifying <i>τ</i> Hadronic Decay with Neutral Network

Chen Guoming; Chen Gang

Chinese Physics C> 1995, Vol. 19> Issue(S3) : 247-256

Identifying τ Hadronic Decay with Neutral Network

Chen Guoming ,
Chen Gang

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

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Abstract：
The identification of τ one-prong hadronic decay using a neural network is presented. Based on the identification, the branching ratios were measured as follows:Br(π/Kv)=(12.18±0.26±0.42)%,Br(π/Kπ⁰v)=(25.20±0.35±0.50)%,Br(π/K2π⁰v)=(8.88±0.37±0.38)%, Br(π/K3π⁰v)=(1.70±0.24±0.39)%.
- collider ,
- particle identification ,
- neural network ,
- decay-branching ratio

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Chen Guoming and Chen Gang. Identifying τ Hadronic Decay with Neutral Network[J]. Chinese Physics C, 1995, 19(S3): 247-256.

Chen Guoming and Chen Gang. Identifying τ Hadronic Decay with Neutral Network[J]. Chinese Physics C, 1995, 19(S3): 247-256. shu

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Received: 1994-06-30

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

Identifying τ Hadronic Decay with Neutral Network

Chen Guoming
Chen Gang

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

Received Date: 1994-06-30

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: The identification of τ one-prong hadronic decay using a neural network is presented. Based on the identification, the branching ratios were measured as follows:Br(π/Kv)=(12.18±0.26±0.42)%,Br(π/Kπ⁰v)=(25.20±0.35±0.50)%,Br(π/K2π⁰v)=(8.88±0.37±0.38)%, Br(π/K3π⁰v)=(1.70±0.24±0.39)%.