Ultra-high energy cosmic ray investigations by means of EAS muon density measurements

被引：12
|
作者：
Barbashina, N. S. [1 ]
Bogdanov, A. G.
Chernov, D. V.
Dmitrieva, A. N.
Gromushkin, D. M.
Kindin, V. V.
Kokoulin, R. P.
Kompaniets, K. G.
Mannocchi, G.
Petrukhin, A. A.
Saavedra, O.
Shutenko, V. V.
Timashkov, D. A.
Trinchero, G.
Yashin, I. I.
机构：
[1] Moscow Engn Phys Inst State Univ, Moscow 115409, Russia
[2] Ist Nazl Astrofis, I-10133 Turin, Italy
[3] Univ Turin, Dipartimento Fis Gen, I-10125 Turin, Italy
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2007年 / 165卷
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1016/j.nuclphysbps.2006.11.043
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
A new approach to investigations of ultra-high energy cosmic rays based on the ground-level measurements of the spectra of local density of EAS muons at various zenith angles is considered. Basic features of the local muon density phenomenology are illustrated using a simple semi-analytical model. It is shown that muon density spectra are sensitive to the spectrum slope, primary composition, and to the features of hadronic interaction. New experimental data on muon bundles at zenith angles from 30 degrees to horizon obtained with the coordinate detector DECOR are compared with CORSIKA-based simulations. It is found that measurements of muon density spectra in inclined EAS give possibility to study characteristics of primary cosmic ray flux in a very wide energy range from 10(15) to 10(19) eV.
引用
收藏
页码：317 / 323
页数：7
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