The Penumbra at Geomagnetic Latitude 20° and the Energy Spectrum of Primary Cosmic Radiation

1939 ◽  
Vol 55 (7) ◽  
pp. 614-620 ◽  
Author(s):  
R. Albagli Hutner

1963 ◽  
Vol 130 (1) ◽  
pp. 362-368 ◽  
Author(s):  
K. A. Neelakantan ◽  
P. G. Shukla


1947 ◽  
Vol 71 (7) ◽  
pp. 393-398 ◽  
Author(s):  
M. S. Vallarta ◽  
M. L. Perusquía ◽  
J. de Oyarzábal


1962 ◽  
Vol 40 (9) ◽  
pp. 1049-1055 ◽  
Author(s):  
H. H. Aly

Two values for the flux of the hydrogen component in the primary cosmic radiation have been measured. The first one was over Guam in the Marianas Islands, geomagnetic latitude λ = 0°. The value of the flux was found to be (123 ± 12) hydrogen nuclei/m2 sterad sec. The second measurement was made over Texas, λ = 41 °N., and the value found was (530 ± 53) hydrogen nuclei/m2 sterad sec. The detectors in both cases were stacks of nuclear emulsion exposed at high altitude. The results obtained in this experiment are in good agreement with the values obtained by the other authors using electronic counters flown at the same geomagnetic latitudes.



1955 ◽  
Vol 2 (S1) ◽  
pp. 336-338 ◽  
Author(s):  
U. Haber-Schaim


1945 ◽  
Vol 67 (1-2) ◽  
pp. 50-51 ◽  
Author(s):  
Shuichi Kusaka


1968 ◽  
Vol 46 (10) ◽  
pp. S651-S652
Author(s):  
M. Koshiba ◽  
E. Suda ◽  
F. Takasaki

An experimental observation is made of the energy spectrum of heavy nuclei in the primary cosmic radiation using a large emulsion stack. The preliminary data so far accumulated indicate an exponent of 1.60 to 1.65 for the integral total-energy-per-nucleon spectrum.



1952 ◽  
Vol 85 (2) ◽  
pp. 295-309 ◽  
Author(s):  
M. F. Kaplon ◽  
B. Peters ◽  
H. L. Reynolds ◽  
D. M. Ritson




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