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High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-500 GeV with the Alpha Magnetic Spectrometer on the International Space Station
文献类型：期刊论文
| 作者 | AMS Collaboration |
| 刊名 | PHYSICAL REVIEW LETTERS
 |
| 出版日期 | 2014 |
| 卷号 | 113期号:12 |
| 关键词 | TIME-OF-FLIGHT AMS RICH DETECTOR FAST TRIGGER DARK-MATTER IDENTIFICATION ELECTRONS PROTOTYPE SPECTRUM MODELS ORIGIN |
| 通讯作者 | Accardo, L (reprint author), Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy. |
| 英文摘要 | A precision measurement by AMS of the positron fraction in primary cosmic rays in the energy range from 0.5 to 500 GeV based on 10.9 million positron and electron events is presented. This measurement extends the energy range of our previous observation and increases its precision. The new results show, for the first time, that above similar to 200 GeV the positron fraction no longer exhibits an increase with energy. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Multidisciplinary |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000345773700005 |
| 公开日期 | 2016-02-25 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/213825]  |
| 专题 | 高能物理研究所_粒子天体物理中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | AMS Collaboration. High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-500 GeV with the Alpha Magnetic Spectrometer on the International Space Station[J]. PHYSICAL REVIEW LETTERS,2014,113(12). |
| APA | AMS Collaboration.(2014).High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-500 GeV with the Alpha Magnetic Spectrometer on the International Space Station.PHYSICAL REVIEW LETTERS,113(12). |
| MLA | AMS Collaboration."High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-500 GeV with the Alpha Magnetic Spectrometer on the International Space Station".PHYSICAL REVIEW LETTERS 113.12(2014). |
入库方式： OAI收割
来源：高能物理研究所
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