A Quark Model Calculation for the Short-Range Contribution in the Prion Double-Charge-Exchange Reaction

Zou Bingsong; Jiang Huanqing

Chinese Physics C> 1989, Vol. 13> Issue(S4) : 405-414

A Quark Model Calculation for the Short-Range Contribution in the Prion Double-Charge-Exchange Reaction

Zou Bingsong ¹ ,
Jiang Huanqing ²

1. Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing;
2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing

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Abstract：
A quark model calculation for the short-range contribution in the pion double-charge-exchange (DCX) reaction is presented. In the framework of this new model, the angular distributions of ¹⁸O(π⁺, π^-)¹⁸Ne(g.s.) at low energies are calculated and compared with the experimental data. It shows that this model can explain the "anomalous" increasing behavior for the DCX reaction around 50 MeV quite well.

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Zou Bingsong and Jiang Huanqing. A Quark Model Calculation for the Short-Range Contribution in the Prion Double-Charge-Exchange Reaction[J]. Chinese Physics C, 1989, 13(S4): 405-414.

Zou Bingsong and Jiang Huanqing. A Quark Model Calculation for the Short-Range Contribution in the Prion Double-Charge-Exchange Reaction[J]. Chinese Physics C, 1989, 13(S4): 405-414. shu

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Received: 1988-11-28

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Supported by the National Natural Science Foundation of China.

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

A Quark Model Calculation for the Short-Range Contribution in the Prion Double-Charge-Exchange Reaction

Zou Bingsong ^1,
Jiang Huanqing ^2,

1. Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing;
2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing

Received Date: 1988-11-28

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

Abstract: A quark model calculation for the short-range contribution in the pion double-charge-exchange (DCX) reaction is presented. In the framework of this new model, the angular distributions of ¹⁸O(π⁺, π^-)¹⁸Ne(g.s.) at low energies are calculated and compared with the experimental data. It shows that this model can explain the "anomalous" increasing behavior for the DCX reaction around 50 MeV quite well.