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中国物理学会期刊

低能K-π散射

CSTR: 32037.14.aps.21.67

THE LOW ENERGY KAON-PION SCATTERING

CSTR: 32037.14.aps.21.67
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  • 本文用L.A.P.Balázs处理低能π-π散射问题的方法,计算了低能K-π散射问题。得到了K-π散射I=1/2的P波共振位置(SR)1/2=854MeV,半宽度Г11/2/2=126MeV和过程π+π→K+K的振幅的唯象常数ξ=0.3μ-2,共振位置与目前的实验符合较好。

     

    In this paper the method suggested by L. A. P. Balazs for solving the problem of the low energy pion-pion scattering is applied to the kaon-pion scattering process. It isfound that the position of the K* resonance is (SR)1/2=854MeV, the half-width 1/2Г11/2 = 126 MeV, and the phenomenological constant of the amplitude of the process π + π→ K + K ξ = 0.3 μ-2. The position of the K* resonance is in good agreement with experiment.

     

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