Cosmic ray positrons from a local, middle-aged supernova remnant

被引：14

作者：

Erlykin, A. D. ^{[1
]}

Wolfendale, A. W. ^{[2
]}

机构：

[1] PN Lebedev Phys Inst, Moscow 119991, Russia

[2] Univ Durham, Dept Phys, Durham DH1 3LE, England

来源：

ASTROPARTICLE PHYSICS | 2013年 / 49卷

关键词：

Cosmic rays; Positrons; Supernova remnants; Pulsars; RADIATION; PARALLAX; PULSARS; ORIGIN;

D O I：

10.1016/j.astropartphys.2013.08.001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We argue that the cosmic ray positron excess observed in ATIC-2, Fermi LAT, PAMELA, HESS and recently in the precision AMS-02 experiment can be attributed to production in a local, middle-aged supernova remnant (5NR). Using the prediction of our model of cosmic ray acceleration in SNR we estimate that the 5NR responsible for the observed positron excess is located between 250 and 320pc from the Sun and is 170-380 kyear old. The most probable candidate for such a source is the SNR which gave birth to the well-known Geminga pulsar, but is no longer visible. Other contenders are also discussed. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：23 / 27

页数：5

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