scholarly journals The Latitude Effect in Cosmic Rays at Altitudes up to 29,000 Feet

1936 ◽  
Vol 50 (7) ◽  
pp. 579-581 ◽  
Author(s):  
I. S. Bowen ◽  
R. A. Millikan ◽  
S. A. Korff ◽  
H. V. Neher
Keyword(s):  
Cosmic Rays ◽  
Latitude Effect

A Remark on the Latitude Effect of Cosmic Rays

1939 ◽  
Vol 55 (1) ◽  
pp. 112-112
Author(s):  
B. Gross
Keyword(s):  
Cosmic Rays ◽  
Latitude Effect

Latitude Effect of Cosmic Rays Above 50°N Latitude

1941 ◽  
Vol 59 (2) ◽  
pp. 127-129 ◽  
Author(s):  
Paul F. Gast ◽  
D. H. Loughridge
Keyword(s):  
Cosmic Rays ◽  
Latitude Effect

Remarks on the Latitude Effect of Cosmic Rays at Sea-Level

1950 ◽  
Vol 3 (2) ◽  
pp. 183
Author(s):  
HD Rathgeber
Keyword(s):  
Cosmic Rays ◽  
Sea Level ◽  
Zenith Angle ◽  
Incident Radiation ◽  
Geiger Counter ◽  
Angle Distribution ◽  
High Latitudes ◽  
Latitude Effect ◽  
Counter Telescope ◽  
East West

During a recent voyage from Australia to Japan the intensity of cosmic rays was measured with several Geiger counter telescopes of different designs. The conclusions to be drawn from these and other results are presented in this paper. It is shown that the latitude effect at sea-level (averaged over all azimuths) is approximately proportional to cos2 1.2ζ, where ζ is the zenith angle of the incident radiation, and that the vertical latitude effect is 18 per cent. In general, the latitude effect depends both on zenith angle and azimuth. The phenomenological relationships of these intensity variations with the zenith angle distribution at two fixed locations, i.e. at high latitudes and at the equator, and with the east-west effect at the equator, are deduced. After correction for longitude and zenith angle, Geiger counter telescope and ionization measurements do not differ by more than their errors of measurements ; the average specific ionization does not vary with latitude. Qualitative explanations of the equality of the latitude effects for mesons and for electrons, as well as of the latitude effect of small extensive showers are given.

The latitude effect in cosmic rays at far southern latitudes

1940 ◽  
Vol 230 (5) ◽  
pp. 659-661
Author(s):  
E.T. Clarke ◽  
S.A. Korff
Keyword(s):  
Cosmic Rays ◽  
Latitude Effect

scholarly journals Fluctuations and Latitude Effect of Cosmic Rays at High Altitudes and Latitudes

1953 ◽  
Vol 90 (4) ◽  
pp. 655-674 ◽  
Author(s):  
H. V. Neher ◽  
V. Z. Peterson ◽  
E. A. Stern
Keyword(s):  
Cosmic Rays ◽  
High Altitudes ◽  
Latitude Effect

THE PROTON COMPONENT OF COSMIC RAYS AT AIRCRAFT ALTITUDES

1955 ◽  
Vol 33 (9) ◽  
pp. 555-564 ◽  
Author(s):  
K. W. Ogilvie
Keyword(s):  
Cosmic Rays ◽  
Energy Range ◽  
Heavy Particle ◽  
Specific Yield ◽  
Absorption Length ◽  
Latitude Effect ◽  
Proton Intensity

Experiments with a heavy particle selector installed in an aircraft show that the proton intensity in the energy range 230 to 480 Mev. has a variation with height which is exponential, with absorption length 128 ± 10 gm./cm.2 The latitude effect between λ = 40°N. and λ = 56°N. is in general agreement with that found for fast (up to 5 Mev.) neutrons. Some information has been obtained on the variation of the average specific yield for primary energies below 5 Bev.

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