OBSERVATIONS ON NIGHT-SKY CERENKOV RADIATION IN EXTENSIVE AIR SHOWERS. Final Report
Technical Report
·
OSTI ID:4685895
The Cherehkov light associated with extensive air showers (EAS) between approximates 2 x 10/sup 4/ and approximates 2 x 10/sup 6/ was observed. The size spectrum of showers accompanied by Cherenkov pulses is much flatter than that of all showers, and the maximum pulse heights recorded for showers of a given size are almost independent of the particle number. This csn be interpreted as a consequence of the zenith angle distribution of the EAS. The maximum intensity of the Cherenkov light was found not at the center but at-some 20 m from it. This may be explained by the angular divergence of the shower particles. The results show that a shower theory must account for the lateral variation of the electron energy spectrum. (auth)
- Research Organization:
- Israel Inst. of Tech., Haifa
- NSA Number:
- NSA-17-041711
- OSTI ID:
- 4685895
- Report Number(s):
- AFCRL-63-881
- Country of Publication:
- United States
- Language:
- English
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