Towards event-by-event studies of the ultrahigh-energy cosmic-ray composition
- 作者：D.S. Gorbunov ; G.I. Rubtsov ; S.V. Troitsky
- 关键词：Ultrahigh-energy cosmic rays ; Chemical compostion ; Extensive air ; Showers
- 刊名：Astroparticle Physics
- 出版年：2007
- 期刊代码：4_09276505
- 类别：ph
- 出版时间：September 2007
- 卷：28
- 期：1
- 页码：28-40
- 文件大小：609 K
摘要
We suggest a method which improves the precision of studies of the primary composition of ultra-high-energy cosmic rays. Two principal ingredients of the method are: (1) comparison of the observed and simulated parameters for individual showers, without averaging over arrival directions and (2) event-by-event selection of simulated showers by the physical observables and not by the reconstructed primary parameters. A detailed description of the algorithm is presented and illustrated by several examples.