Search for single sources of ultra high energy cosmic rays on the sky

被引：10

作者：

Giacinti, G. ^{[1
]}

Derkx, X. ^{[1
]}

Semikoz, D. V. ^{[1
,2
]}

机构：

[1] AstroParticle & Cosmol APC, F-75205 Paris 13, France

[2] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2010年 / 03期

关键词：

ultra high energy cosmic rays; galactic magnetic fields; ARRIVAL DIRECTIONS;

D O I：

10.1088/1475-7516/2010/03/022

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we suggest. a new way to identify single bright sources of Ultra High Energy Cosmic Rays (UHECR) on the sky, on top of background. We look for doublets of events at the highest energies, E > 6 . 10(19)eV, and identify low energy tails, winch are deflected by the Galactic Magnetic Field (GMF). For the sources which are detected, we can recover their angular positions on the sky within one degree from the real ones in 68% of cases. The reconstruction of the deflection power of the regular GMF is strongly affected by the value of the turbulent. GMF For typical values of 4 mu G near the Earth, one can reconstruct the deflection power with 25% precision in 68% of cases.

引用

页数：20

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