Comparison between methods for the determination of the primary cosmic ray mass composition from the longitudinal profile of atmospheric cascades

被引：6
作者：
Ambrosio, M
Aramo, C [1 ]
Donalek, C
D'Urso, D
Erlykin, AD
Guarino, F
Insolia, A
Longo, G
机构：
[1] Ist Nazl Fis Nucl, Napoli Unit, I-80126 Naples, Italy
[2] Univ Naples Federico II, Dept Phys Sci, Naples, Italy
[3] Univ Naples Federico II, Dept Math & Applicat, Naples, Italy
[4] Catania Univ, Dept Phys & Astron, I-95126 Catania, Italy
[5] Ist Nazl Fis Nucl, I-95129 Catania, Italy
[6] PN Lebedev Phys Inst, Moscow 117924, Russia
[7] INAF, Napoli Unit, Naples, Italy
来源：
ASTROPARTICLE PHYSICS | 2005年 / 24卷 / 4-5期
关键词：
cosmic ray; mass composition; longitudinal profile;
D O I：
10.1016/j.astropartphys.2005.07.008
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The determination of the primary cosmic ray mass composition from the longitudinal development of atmospheric cascades is still a debated issue. In this work we discuss several data analysis methods and show that if the entire information contained in the longitudinal profile is exploited, reliable results may be obtained. Among the proposed methods fit of the cascade curve (FCC), multipararnetric topological analysis (MTA) and neural net analysis (NNA) with conjugate gradient optimization algorithm give the best accuracy. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：355 / 371
页数：17
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