Published May 1977
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Measurement of the isotopic composition of the primary cosmic radiation for the elements B-Ne
Description
The results are given from an investigation of the isotopic composition of primary cosmic ray B, C, N and O. Preliminary result is also given from an investigation of Ne. The mass measurements are made in nuclear emulsions exposed at about 3 g/cm2 atmospheric depth. The results for B-O represented as quotients extrapolated to the top of the atmosphere, are: 11B/B=0.61+-0.10; 13C/C=0.06+-0.03; 15N/N=0.33+-0.09; 17O/O=0.05+-0.03; 18O/O=0.08+-0.03. The preliminary result from the Ne-measurements shows that nuclei with masses larger than 20 exist among the primary neon nuclei. (Auth.)
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Additional details
Publishing Information
- Imprint Pagination
- 5 p.
- Report number
- LUIP--7704
Conference
- Title
- 15. international cosmic ray conference.
- Dates
- 13 - 26 Aug 1977.
- Place
- Plovdiv, Bulgaria.
INIS
- Country of Publication
- Sweden
- Country of Input or Organization
- Sweden
- INIS RN
- 8333700
- Subject category
- S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BORON ISOTOPES; CARBON ISOTOPES; ISOTOPE RATIO; MASS RESOLUTION; MASS SPECTRA; NEON ISOTOPES; NITROGEN ISOTOPES; NUCLEAR EMULSIONS; OXYGEN ISOTOPES; PRIMARY COSMIC RADIATION
- Descriptors DEC
- COSMIC RADIATION; IONIZING RADIATIONS; RADIATIONS; RESOLUTION; SPECTRA