A Cloud-Chamber Study of Cosmic-Ray Air Showers at Sea Level

1955 ◽  
Vol 97 (1) ◽  
pp. 172-180 ◽  
Author(s):  
Kenneth E. Relf
Keyword(s):  
Sea Level ◽  
Cosmic Ray ◽  
Cloud Chamber ◽  
Air Showers ◽  
Chamber Study

The Structure of Cosmic Ray Air Showers

1949 ◽  
Vol 2 (2) ◽  
pp. 184
Author(s):  
CBO Mohr
Keyword(s):  
High Pressure ◽  
Sea Level ◽  
Cosmic Ray ◽  
Low Density ◽  
Air Showers ◽  
Ionization Chambers ◽  
Single Chamber ◽  
Transition Effect ◽  
The Core ◽  
Rate Frequency

The structure of cosmic ray air showers at sea-level has been studied by an investigation of the burst rate frequency and the transition effect in lead, for cosmic ray bursts occurring simultaneously in two high-pressure ionization chambers with varying separation. Although extensive showers were responsible for all the coincidences observed with the larger chamber separations, they accounted for less than 3 per cent, of the bursts observed with a single chamber. Of the remaining 97 per cent., somewhat more than one-half appear to be due to nuclear disintegrations and the rest either to narrow showers of approximate radius 30 cm. or to the core of an extensive shower of low density. The extensive shower frequency was about 10 times that predicted by theory. The bearing of these results on present views of the origin and development of air showers is discussed.

A Cloud Chamber Study of the Cosmic-Ray Hard Showers

1956 ◽  
Vol 11 (1) ◽  
pp. 76-83 ◽  
Author(s):  
Saburo Miyake ◽  
Kensaku Hinotani ◽  
Kan-ichi Nunogaki
Keyword(s):  
Cosmic Ray ◽  
Cloud Chamber ◽  
Chamber Study

Cosmic-Ray Air Showers at Sea Level

1961 ◽  
Vol 122 (2) ◽  
pp. 637-654 ◽  
Author(s):  
G. W. Clark ◽  
J. Earl ◽  
W. L. Kraushaar ◽  
J. Linsley ◽  
B. B. Rossi ◽  
...  
Keyword(s):  
Sea Level ◽  
Cosmic Ray ◽  
Air Showers

scholarly journals Zenith Angle Dependence of Cosmic Ray Shower Development from Observations of the Time Structure of Atmospheric Cerenkov Pulses

1980 ◽  
Vol 33 (3) ◽  
pp. 607 ◽  
Author(s):  
RW Clay ◽  
GJ Thornton
Keyword(s):  
Sea Level ◽  
Zenith Angle ◽  
Cosmic Ray ◽  
Time Structure ◽  
Extensive Air Showers ◽  
Attenuation Length ◽  
Air Showers ◽  
Angle Dependence ◽  
Shower Development

The attenuation of extensive air showers has been studied using atmospheric Cerenkov techniques. Observations over a range of zenith angles are correlated and an attenuation length of 234 � 38 g cm ? 2 obtained for showers with sea-level sizes of ~ 106 ?

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