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在QCD因子化框架下讨论了B介子到两个轻赝标介子衰变中手征增强的修正问题. 证明了只有在twist-3波函数对称的情况下,顶角修正的红外发散才能相消. 因而只有在这种情况下,手征增强的修正才能自洽地被包含进来. 作者还对旁观者硬散射中出现的发散进行了讨论.
QCD因子化方案中twist-3波函数和红外发散问题
【摘 要】
：
在QCD因子化框架下讨论了B介子到两个轻赝标介子衰变中手征增强的修正问题. 证明了只有在twist-3波函数对称的情况下,顶角修正的红外发散才能相消. 因而只有在这种情况下,手
【机 构】
：
中国科学院高能物理研究所
【出 处】
：
高能物理与核物理
【发表日期】
：
2004年期
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