R值测量中强子事例选择的改进(英文)
HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION（2007）
Abstract
强子事例的选择和强子探测效率是在BEPC/BES上进行R值测量的两项主要误差来源.过去实验只选取等于或者大于2叉的强子事例,因而0叉和1叉事例的丢失将导致强子事例数和强子探测效率的较大误差.试图提出在R值测量中选取包含1叉强子事例在内的样本,这将有助于更合理地调节强子事例产生器LUARLW的参数,减小强子探测效率和R值测量的系统误差.
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Key words
R value, hadronic event, systematic error, event generator
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