用三体蒙特卡罗模拟方法解释条探测器的符合数据和提取绝对截面
Interpretation of coincidence data from strip detectors and extraction of absolute cross section using 3-body Monte Carlo simulation method
摘要：
检测系统响应的准确知识对于实验数据的明确解释是非常关键的。本文用包含三体运动学的Monte Carlo方法编制了一个模拟程序，用于分析用分段式大面积Si $ΔE-E$探测器望远镜测量核反应的数据。在分析中注意最大化角度覆盖和统计。重点放在提取的绝对截面的不同的反应过程中，重合测量是不可避免的。发现不同符合事件的估计检测效率取决于各种参数，例如，分裂碎片的相对能量、射弹的入射束能量、反应的基态$Q$值、射弹以及靶状核的激发、分裂碎片的质量不对称性、检测阈值和检测装置的几何立体角。解释的各种观测值的独家测量的分裂和转移分裂反应的报告。
英文摘要：
Accurate knowledge of the response of the detection system is very crucial for unambiguous interpretation of the experimental data. A simulation code has been developed using the Monte Carlo technique involving 3-body kinematics for the analysis of data obtained with segmented large area Si $ΔE-E$ detector telescopes in nuclear reaction measurements. Care was taken in the analysis to maximize the angular coverage and statistics. The emphasis is placed to extract the absolute cross sections of the different reaction processes, for which coincident measurements are unavoidable. The estimated detection efficiency of different coincidence events are found to depend on various parameters, e.g., the relative energy of the breakup fragments, incident beam energy of the projectile, ground state $Q$-value of the reaction, the excitation of the ejectile as well as target like nuclei, mass asymmetry of the breakup fragments, detection threshold, and geometric solid angle of the detection setup. The interpretation of the various observables from the exclusive measurements of breakup and transfer breakup reactions is reported.
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