Spectrum and charge ratio of vertical cosmic ray muons up to momenta of 2.5 TeV/c

被引：4

作者：

Schmelling, M. ^{[1
]}

Hashim, N. O. ^{[2
]}

Grupen, C. ^{[3
]}

Luitz, S. ^{[4
]}

Maciuc, F. ^{[1
]}

Mailov, A. ^{[5
]}

Mueller, A. -S. ^{[6
]}

Sander, H. -G. ^{[7
]}

Schmeling, S. ^{[8
]}

Tcaciuc, R. ^{[3
]}

Wachsmuth, H. ^{[8
]}

Ziegler, T. ^{[9
]}

Zuber, K. ^{[10
]}

机构：

[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[2] Kenyatta Univ, Dept Phys, Nairobi, Kenya

[3] Univ Siegen, Dept Phys, Fac Sci & Technol, D-57068 Siegen, Germany

[4] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA

[5] IDRAK Technol Transfer, Baku, Azerbaijan

[6] Karlsruhe Inst Technol, D-76021 Karlsruhe, Germany

[7] Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany

[8] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[9] SIX Telekurs Ltd, Zurich, Switzerland

[10] Tech Univ Dresden, Inst Kern & Teilchenphys, Dresden, Germany

来源：

ASTROPARTICLE PHYSICS | 2013年 / 49卷

关键词：

Cosmic ray muons; Momentum spectrum; Charge ratio; Chemical composition of primary cosmic rays; ALEPH; Underground measurement; HADRONIC-INTERACTIONS; SIMULATION; ENERGIES; MODEL; CASCADES;

D O I：

10.1016/j.astropartphys.2013.07.008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The ALEPH detector at LEP has been used to measure the momentum spectrum and charge ratio of vertical cosmic ray muons underground. The sea-level cosmic ray muon spectrum for momenta up to 2.5 TeV/c has been obtained by correcting for the overburden of 320 m water equivalent (mwe). The results are compared with Monte Carlo models for air shower development in the atmosphere. From the analysis of the spectrum the total flux and the spectral index of the cosmic ray primaries is inferred. The charge ratio suggests a dominantly light composition of cosmic ray primaries with energies in the energy range between 10(3) and 10(5) GeV. (C) 2013 The Authors. Published by Elsevier B.V. All rights reserved.

引用

页码：1 / 5

页数：5

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