Pulsar interpretation for the AMS-02 result
Yin PF(殷鹏飞); Yu ZH(余钊焕); Yuan Q(袁强); Bi XJ(毕效军); Yin, PF; Yu, ZH; Yuan, Q; Bi, XJ
刊名PHYSICAL REVIEW D
2013
卷号88期号:2页码:23001
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.88.023001
英文摘要The AMS-02 Collaboration has just published a high-precision measurement of the cosmic positron fraction e(+)/(e(-) + e(+)), which rises with energy from similar to 5 GeV to similar to 350 GeV. The result indicates the existence of primary electron/positron sources to account for the positron excess. In this work, we investigate the possibility that the nearby mature pulsars with ages of O(10(5)) yr are the primary positron sources. By fitting the data we find that the positrons from a single nearby pulsar, such as Geminga or Monogem, with the spectral index alpha similar to 2 can interpret the AMS-02 result. We also investigate the possibility that high-energy positrons are generated by multiple known pulsars in the ATNF catalogue. Such a scenario can also fit the AMS-02 data well. Future precise measurements of fine structures in the positron spectrum would be a support to the pulsar scenario.
收录类别SCI
WOS记录号WOS:000321208300002
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被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224505
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Yin PF,Yu ZH,Yuan Q,et al. Pulsar interpretation for the AMS-02 result[J]. PHYSICAL REVIEW D,2013,88(2):23001.
APA 殷鹏飞.,余钊焕.,袁强.,毕效军.,Yin, PF.,...&Bi, XJ.(2013).Pulsar interpretation for the AMS-02 result.PHYSICAL REVIEW D,88(2),23001.
MLA 殷鹏飞,et al."Pulsar interpretation for the AMS-02 result".PHYSICAL REVIEW D 88.2(2013):23001.
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