Calculations of the Decay Constant and Radius of the Pion
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Abstract
We calculated the decay constant and radius of the pion in the framework of the Bethe-Salpeter equation with the vector-vector-type flat-bottom potential. The calculated results, fπ =102MeV and < rπ2>1/2 =0.632fm, are close to experimental values of fπ = 93 MeV and < rπ2>1/2 = 0.663± 0.023fm.
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WAN Shaolong, ZHOU Jiange, CHEN Qinghu, WANG Kelin. Calculations of the Decay Constant and Radius of the Pion[J]. Chin. Phys. Lett., 1995, 12(3): 140-143.
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WAN Shaolong, ZHOU Jiange, CHEN Qinghu, WANG Kelin. Calculations of the Decay Constant and Radius of the Pion[J]. Chin. Phys. Lett., 1995, 12(3): 140-143.
|
WAN Shaolong, ZHOU Jiange, CHEN Qinghu, WANG Kelin. Calculations of the Decay Constant and Radius of the Pion[J]. Chin. Phys. Lett., 1995, 12(3): 140-143.
|
WAN Shaolong, ZHOU Jiange, CHEN Qinghu, WANG Kelin. Calculations of the Decay Constant and Radius of the Pion[J]. Chin. Phys. Lett., 1995, 12(3): 140-143.
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