CERENKOV RADIATION ASSOCIATED WITH EXTENSIVE AIR SHOWERS. Technical Note No. 4

Technical Report · Fri Sep 01 04:00:00 EDT 1961

OSTI ID:4819586

Kasha, H; Oren, Y; Sitte, K

The Cherenkov light-flashes accompanying the passage of extensive air showers through the atmosphere were studied at 200 m above sea level by means of telescopes with 4.9 deg half-opening angle, used in conjunction with an eight- tray hodoscope. Preliminary results showed that the spectrum of events accompanied by a light signal is fiatter than that of all showers in the range of approximates 10/sup 5/ to 5 x 10/sup 6/ particles. The light intensity per shower electron was found to decrease with increasing shower size, while the fiuctuations in this quantity increased with the size. The lateral light distribution between 5 and 80 m, rather flat ( approximates r/sup -0.7/) for showers of <2 x l0/sup 5/ particles, increased steeply with increasing shower size. lt was possible to obtain information on the angular distribution of the Cherenkov light in extensive air showers with respect to the shower axis as viewed from a given distance from the center of the shower. It was found that the light intensity falls off by half at 10 deg . (auth)

• Research Organization: Israel Inst. of Tech., Haifa
• NSA Number: NSA-16-018289
• OSTI ID: 4819586
• Report Number(s): AFCRL-62-287
• Country of Publication: United States
• Language: English

Related Subjects

ATMOSPHERE
CHERENKOV RADIATION
COINCIDENCE METHODS
COSMIC RADIATION
COUNTERS
DETECTION
DISTRIBUTION
ELECTRONS
EXTENSIVE AIR SHOWERS
LATTICES
LEVELS
MEASURED VALUES
OPTICAL SYSTEMS
PHYSICS
RESOLUTION
SCATTERING
SEA
SEA LEVEL