On the Fine Structure of Zenithal Curves of the Cosmic Radiation

G. Cocconi; V. Tongiorgi

doi:10.1103/PhysRev.70.850

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On the Fine Structure of Zenithal Curves of the Cosmic Radiation

G. Cocconi and V. Tongiorgi

Institute of Physics, University of Milan, Milan, Italy

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Phys. Rev. 70, 850 – Published 1 December, 1946

DOI: https://doi.org/10.1103/PhysRev.70.850

Abstract

Differential measurements of the absorption in lead of the mesonic component of cosmic radiation at 2200 m above sea level and also measurements of the variation of the mesonic component with zenith angle do not confirm the existence of a fine structure in the intensity spectrum. With zenith angle the variation is perfectly regular and roughly follows the ${cos}^{2} θ$ law.

References (6)

E. J. Schremp and H. S. Ribner, Rev. Mod. Phys. 11, 149 (1939)
D. Cooper, Phys. Rev. 58, 288 (1940)
E. J. Schremp and A. Banos, Phys. Rev. 58, 662 (1940) ibid.59, 614 (1941)
E. J. Schremp, Phys. Rev. 54, 153 (1938)
G. Cocconi and V. Tongiorgi, Ricerca Scient. 12, 21 (1941)
V. Tongiorgi, Nuovo Cimento 1, 96 (1943)

[c1] E. J. Schremp and H. S. Ribner, Rev. Mod. Phys. 11, 149 (1939)

[c2] D. Cooper, Phys. Rev. 58, 288 (1940)

[c3] E. J. Schremp and A. Banos, Phys. Rev. 58, 662 (1940) ibid.59, 614 (1941)

[c4] E. J. Schremp, Phys. Rev. 54, 153 (1938)

[c5] G. Cocconi and V. Tongiorgi, Ricerca Scient. 12, 21 (1941)

[c6] V. Tongiorgi, Nuovo Cimento 1, 96 (1943)

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On the Fine Structure of Zenithal Curves of the Cosmic Radiation

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References (6)

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