η_c衰变末态中全同粒子组合方法研究

Study of the Combination of Identical Particles in η_c Decay

对基态粲偶素ηc包含多个全同粒子的特殊衰变模式,发展了利用动力学结果来挑选全同粒子组合的方法,并将此方法与传统的全记录法和残差法进行了比较.利用发展的方法,可以唯一地确定全同粒子组合,得到的信号非常清晰,背景水平非常低.

A new method,which is based on the dynamics inηc decays,is developed to select the best combination of the identical particles in the final states.This method is compared with other traditional methods,such as the method of record the all combinations and residual error method.This method can be used to determine the best combination and obtain the clear signal with very low background simultaneously.