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Cosmic rays of the highest energies: II. The mass composition and primary spectrum
| Content Provider | Scilit |
|---|---|
| Author | Chi, X. Vahia, M. N. Wdowczyk, J. Wolfendale, A. W. |
| Copyright Year | 1992 |
| Description | Journal: Journal of Physics G: Nuclear and Particle Physics For pt.I see ibid., p.539, vol.18 (1992). In the previous work the authors presented evidence for an enhancement of cosmic ray flux above $10^{19}$ eV from the galactic plane in the outer galaxy and for the likely existence of discrete sources both within the plane and away from it. They now study the mass composition and energy spectrum of both the 'source' particles and the general flux. It is concluded that there is quite strong evidence for an increase in the fraction of heavy nuclei as one proceeds above $10^{19}$ eV, particularly from the intermediate latitudes, these particles being of galactic origin, but at the very highest energies, $E>or=3*10^{19}$ eV, protons may well dominate again; such protons would be of extragalactic origin. |
| Related Links | http://iopscience.iop.org/article/10.1088/0954-3899/18/3/009/pdf |
| Ending Page | 566 |
| Page Count | 14 |
| Starting Page | 553 |
| ISSN | 09543899 |
| e-ISSN | 13616471 |
| DOI | 10.1088/0954-3899/18/3/009 |
| Journal | Journal of Physics G: Nuclear and Particle Physics |
| Issue Number | 3 |
| Volume Number | 18 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 1992-03-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics G: Nuclear and Particle Physics Astronomy and Astrophysics Cosmic Ray |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nuclear and High Energy Physics |
