判别分析与次级束电荷识别
核实验
2009-11-13 v1
摘要
已将判别分析方法应用于弹射碎裂实验中对非典型束电荷识别的优化。该实验在 GSI 进行，利用片段分离器 (FRS) 产生和选取相对子束，并使用 ALADIN 装置测量与 Sn 中子靶核碰撞后产生的碎裂产物。选取了围绕 124La 和 107Sn 的中子贫同位素束，旨在通过与稳定 124Sn 项目束结果的比较，研究重原子核极限温度的等面积性。由于未使用用于测量反应靶前方投射物电荷的专用探测器，因此必须发展替代方法。所提出的方法基于多变量判别分析，使电荷识别效率提升至约 90%，比简单标量方法提高了约 20%。
引用
@article{arxiv.0707.0598,
title = {Discriminant Analysis and Secondary-Beam Charge Recognition},
author = {J. Lukasik and P. Adrich and T. Aumann and C. O. Bacri and T. Barczyk and R. Bassini and S. Bianchin and C. Boiano and A. S. Botvina and A. Boudard and J. Brzychczyk and A. Chbihi and J. Cibor and B. Czech and J. -E. Ducret and H. Emling and J. Frankland and M. Hellstroem and D. Henzlova and G. Imme and I. Iori and H. Johansson and K. Kezzar and A. Lafriakh and A. Le Fevre and E. Le Gentil and Y. Leifels and J. Luehning and W. G. Lynch and U. Lynen and Z. Majka and M. Mocko and W. F. J. Mueller and A. Mykulyak and M. De Napoli and H. Orth and A. N. Otte and R. Palit and P. Pawlowski and A. Pullia and G. Raciti and E. Rapisarda and H. Sann and C. Schwarz and C. Sfienti and H. Simon and K. Summerer and W. Trautmann and M. B. Tsang and G. Verde and C. Volant and M. Wallace and H. Weick and J. Wiechula and A. Wieloch and B. Zwieglinski},
journal= {arXiv preprint arXiv:0707.0598},
year = {2009}
}
备注
6 pages, 7 eps figures, elsart, submitted to Nucl. Instr. and Meth. A