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http://hdl.handle.net/2248/3335| Title: | Cosmic Topological Defects, Highest Energy Cosmic Rays, and the Baryon Asymmetry of the Universe |
| Authors: | Bhattacharjee, P |
| Keywords: | Cosmic Topological Defects Highest Energy Cosmic Rays Baryon Asymmetry |
| Issue Date: | Jul-1998 |
| Publisher: | The American Physical Society |
| Citation: | Physical Review Letters, Vol. 81, No. 2, pp. 260 - 263 |
| Abstract: | It is pointed out that the observed extremely high energy cosmic rays (EHECR) above 1011 GeV and the observed baryon asymmetry of the Universe (BAU) may have a common origin in baryon number violating decays of supermassive X particles released from cosmic topological defects (TDs) such as cosmic strings and monopoles. The X particles produced by TDs in the recent epochs produce the EHECR, while the BAU is created by X particles released from TDs mainly in the very early Universe. In this scenario the EHECR is predicted to contain baryons as well as antibaryons with a small asymmetry between the two. |
| URI: | http://hdl.handle.net/2248/3335 |
| ISSN: | 0031 - 9007 |
| Appears in Collections: | IIAP Publications |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Cosmic Topological Defects, Highest Energy Cosmic Rays, | 152.48 kB | Adobe PDF |  View/Open |
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