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ULTRAHIGH-ENERGY COSMIC-RAY COMPOSITION FROM SURFACE AIR SHOWER AND UNDERGROUND MUON MEASUREMENTS AT SOUDAN-2

Abstract:

The Soudan 2 experiment has performed time-coincident cosmic ray air shower and underground muon measurements. Comparisons to Monte Carlo predictions show that such measurements can make statistically significant tests of the primary composition in the knee region of the cosmic ray spectrum. The results do not support any significant increase in the average primary mass with energy in the range of 104 TeV per nucleus. Some systematic uncertainties remain, however, particularly in the Monte Ca...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.52.2760

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Journal:
Physical Review D More from this journal
Volume:
52
Issue:
5
Pages:
2760-2765
Publication date:
1995-09-01
DOI:
ISSN:
0556-2821
Language:
English
Pubs id:
pubs:24727
UUID:
uuid:a6ff2d68-4f7a-4178-9826-36745b5c3dc8
Local pid:
pubs:24727
Source identifiers:
24727
Deposit date:
2012-12-19

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