U(2)L U(2)R介子手征理论中对衰变ρ→ππ的重求和研究

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:quhongliangs
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把U(2)L×U(2)R介子手征理论中对矢量介子的O(p4)计算用重求和方法进行了改进,并重新研究了衰变ρ→ππ. 由此得到了fρππ(p2)直到O(p∞)的完整表达式,并基于收敛性条件和么正性条件给出了一个重要的非微扰结论.
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