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在Ｔｏｐｃｏｌｏｒ－ＡｓｓｉｓｔｅｄＴｅｃｈｎｉｃｏｌｏｒ框架下，计算了多标度ＷＴＣ模型的中性色八重态ＰＧ玻色子Ｐ０ａ对ｔｏｐ夸克产生截面的修正，结果表明Ｐ０ａ可以增大Ｔｅｖａｔｒｏｎ上ｔｏｐ夸克的产生截面
Under the framework of Topcolor-AssistedTechnicolor, the correction of the cross section of the top quark generated by the neutral colored octuple PG boson P0a in the multi-scale WTC model is calculated. The results show that P0a can increase the top quark production cross section of Tevatron