Is astronomy possible with neutral ultra-high energy cosmic ray particles existing in the Standard Model?
| dc.creator | Tinyakov, P. G. | |
| dc.creator | Tkachev, I. I. | |
| dc.date | 2006-12-13 | |
| dc.date.accessioned | 2026-07-07T11:42:41Z | |
| dc.date.available | 2026-07-07T11:42:41Z | |
| dc.description | The recently observed correlation between HiRes stereo cosmic ray events with energies E ~ 10 EeV and BL Lacs occurs at an angle which strongly suggests that the primary particles are neutral. We analyze whether this correlation, if not a statistical fluctuation, can be explained within the Standard Model, i.e., assuming only known particles and interactions. We have not found a plausible process which can account for these correlations. The mechanism which comes closest -- the conversion of protons into neutrons in the IR background of our Galaxy -- still under-produces the required flux of neutral particles by about 2 orders of magnitude. The situation is different at E ~ 100 EeV where the flux of cosmic rays at Earth may contain up to a few percent of neutrons pointing back to the extragalactic sources. | |
| dc.description | 7 pages, 1 figure | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0612359 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0612359 | |
| dc.identifier | J.Exp.Theor.Phys.106:481-487,2008 | |
| dc.identifier | doi:10.1134/S1063776108030084 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/200971 | |
| dc.subject | Astrophysics | |
| dc.title | Is astronomy possible with neutral ultra-high energy cosmic ray particles existing in the Standard Model? | |
| dc.type | text |