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Cosmic ray he-3 measurements
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Mewaldt, R. A. |
| Copyright Year | 1985 |
| Description | The rare isotopes H-2 and He-3 in cosmic rays are believed to be of secondary origin produced by nuclear interactions of primary H-1 and He-4 with the interstellar medium. There has recently been renewed interest in these isotopes as a result of indications from high energy antiproton, positron, and He-3 observations that the origin of some primary H and He nuclei may differ from that of heavier cosmic rays. A new observation of low energy He-3 is examined. Previously reported He-3 and He-4 measurements at both low and high energies are examined and compared with calculations of the expected He-3 and He-4 ratio at 1 AU. No evidence for an excess of low energy He-3 such as that reported at high energies was found. |
| File Size | 320809 |
| Page Count | 4 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19850025710 |
| Archival Resource Key | ark:/13960/t2p60fq3v |
| Language | English |
| Publisher Date | 1985-08-01 |
| Access Restriction | Open |
| Subject Keyword | Space Radiation Interstellar Radiation Ratios Computation Comparison Spectrometers Helium Isotopes Telescopes Antiprotons International Sun Earth Explorer 3 Cosmic Rays Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
