Study of cosmic ray composition in the knee region using multiple muon events in the Soudan 2 detector

被引：30

作者：

Kasahara, SM

Allison, WWM

Alner, GJ

Ayers, DS

Barrett, WL

Bode, CR

Border, PM

Brooks, CB

Cobb, JH

Cockerill, DJA

Cotton, RJ

Courant, H

DeMuth, DM

Ewen, B

Fields, TH

Gallagher, HR

Goodman, MC

Gran, RW

Gray, RN

Johns, K

Kafka, T

Leeson, W

Litchfield, PJ

Longley, NP

Lowe, MJ

Mann, WA

Marshak, ML

May, EN

Milburn, RH

Miller, WH

Mualem, L

Napier, A

Oliver, W

Pearce, GF

Peterson, EA

Price, LE

Roback, DM

Ruddick, K

Schmid, DJ

Schneps, J

Schub, MH

Seidlein, RV

Shupe, MA

Sundaralingam, N

Thron, JL

Trost, HJ

Uretsky, JL

Vassiliev, V

Villaume, G

Wakely, SP

机构：

[1] UNIV MINNESOTA, MINNEAPOLIS, MN 55455 USA

[2] UNIV OXFORD, DEPT PHYS, OXFORD OX1 3RH, ENGLAND

[3] RUTHERFORD APPLETON LAB, DIDCOT OX11 0QX, OXON, ENGLAND

[4] TUFTS UNIV, MEDFORD, MA 02155 USA

[5] WESTERN WASHINGTON UNIV, BELLINGHAM, WA 98225 USA

来源：

PHYSICAL REVIEW D | 1997年 / 55卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.55.5282

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Deep underground muon events recorded by the Soudan 2 detector, located at a depth of 2100 m of water equivalent, have been used to infer the nuclear composition of cosmic rays in the ''knee'' region of the cosmic ray energy spectrum. The observed muon multiplicity distribution favors a composition model with a substantial proton content in the energy region 8 x 10(5) - 1.3 x 10(7) GeV/nucleus.

引用

页码：5282 / 5294

页数：13

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