|Author||Aizu, H. ♦ Fujimoto, Y. ♦ Hasegawa, S. ♦ Koshiba, M. ♦ Mito, I. ♦ Nishimura, J. ♦ Yokoi, K. ♦ Schein, M.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||PHYSICS ♦ BALLOONS ♦ CANADA ♦ CARBON ♦ COSMIC RADIATION ♦ DISTRIBUTION ♦ EARTH ♦ ELECTRIC CHARGES ♦ ENERGY ♦ ENERGY RANGE ♦ GEOMAGNETIC COORDINATES ♦ HEAVY NUCLEI ♦ ILFORD EMULSIONS ♦ LEVELS ♦ MAGNETIC FIELDS ♦ MEASURED VALUES ♦ NITROGEN ♦ NUCLEAR EMULSIONS ♦ NUCLEI ♦ OXYGEN ♦ PARTICLE TRACKS ♦ PRIMARY COSMIC RADIATION ♦ STRATOSPHERE|
|Abstract||A stack of G-5 emulsion, exposed at 120,000 feet for 8 hours at 61 deg N was used to study the charge and energy spectrum of heavy nuclet at the low- energy end. Energy measurements were made on C, N, and O nuclei up to 1 Bev/ nucleon. The spectrum shows a broad maximum at 550 Mev/nucleon, extrapolated to the top of the atmosphere. Various possibilities to explain this spectrum are discussed. However, it seems desirable to determine the energy spectrum of the other heavy-nuclei components in this energy region in order to gain a more complete understanding of the whole problem. Measurements of this kind are in progress and will be reported. (auth)|
|Learning Resource Type||Article|
|Publisher Department||Univ. of Tanashi, Tokyo ♦ Univ. of Chicago|
|Organization||Univ. of Tanashi, Tokyo ♦ Univ. of Chicago|
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