PRIMARY COSMIC-RAY ALPHA PARTICLES. PART III
Journal Article
·
· Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
OSTI ID:4728732
Nuclear photographic emulsions were exposed to the cosmic radiation on a high altitude balloon flight at 49 deg N geomagnetic latitude on 3rd August 1958. The total flux of primary alpha-particles, having kinetic energies greater than 400 Mev/nucleon, was found to be (87 approximately 8) particles/ m/sup 2/ ster s. Simultaneously, another set of emulsions was exposed at 61 deg N geomagnetic latitude. A comparison of the data obtained from the two flights leads to an estimate of the geomagnetic cut-off for 49 deg N as (500 plus or minus 50) mev/ nucleon kinetic energy. (auth)
- Research Organization:
- Washington Univ., St. Louis
- NSA Number:
- NSA-17-015058
- OSTI ID:
- 4728732
- Journal Information:
- Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10), 26; ISSN NUCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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