A QUARK MODEL CALCULATION FOR THE SHORT-RANGE CONTRIBUTION IN THE PION DOUBLE CHARGE EXCHANGE REACTION

ZOU Bing-Song; JIANG Huan-Qing

Chinese Physics C> 1989, Vol. 13> Issue(10) : 916-923

A QUARK MODEL CALCULATION FOR THE SHORT-RANGE CONTRIBUTION IN THE PION DOUBLE CHARGE EXCHANGE REACTION

ZOU Bing-Song ^, ,
JIANG Huan-Qing

Institute of Theoretical Physics and Institute of High Energy Physics,Academia Sinica,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 is found that this model can explain the "anomalous" increasing behavior for the DCX reaction around 50MeV quite well.

References

[1]

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ZOU Bing-Song and JIANG Huan-Qing. A QUARK MODEL CALCULATION FOR THE SHORT-RANGE CONTRIBUTION IN THE PION DOUBLE CHARGE EXCHANGE REACTION[J]. Chinese Physics C, 1989, 13(10): 916-923.

ZOU Bing-Song and JIANG Huan-Qing. A QUARK MODEL CALCULATION FOR THE SHORT-RANGE CONTRIBUTION IN THE PION DOUBLE CHARGE EXCHANGE REACTION[J]. Chinese Physics C, 1989, 13(10): 916-923. shu

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Received: 1900-01-01
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

A QUARK MODEL CALCULATION FOR THE SHORT-RANGE CONTRIBUTION IN THE PION DOUBLE CHARGE EXCHANGE REACTION

ZOU Bing-Song ^,
JIANG Huan-Qing

Corresponding author: ZOU Bing-Song,

Institute of Theoretical Physics and Institute of High Energy Physics,Academia Sinica,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-10-05

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 is found that this model can explain the "anomalous" increasing behavior for the DCX reaction around 50MeV quite well.