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![Measurement of Cosmic Antiprotons with the Alpha Magnetic Spectrometer aboard the International Space Station için kapak resmi Measurement of Cosmic Antiprotons with the Alpha Magnetic Spectrometer aboard the International Space Station için kapak resmi](/client/assets/d79c3e4af2b6d196/ctx/images/no_image.png)
Measurement of Cosmic Antiprotons with the Alpha Magnetic Spectrometer aboard the International Space Station
Başlık:
Measurement of Cosmic Antiprotons with the Alpha Magnetic Spectrometer aboard the International Space Station
Yazar:
Chen, Andrew Ian, author.
Yazar Ek Girişi:
Genel Not:
Source: Dissertation Abstracts International, Volume: 79-10(E), Section: B.
Advisors: Samuel Ting.
Özet:
A precision measurement of the cosmic antiproton (p¯) flux and the antiproton-toproton flux ratio (p&barbelow;¯/p) made with the Alpha Magnetic Spectrometer aboard the International Space Station is presented. The measurement covers the absolute rigidity range from 1 to 450 GV, and is based on 3.49 x 105 p¯ events and 2.42 x 109 proton (p) events. This completes the measurements of the fluxes and flux ratios for the charged elementary particles in cosmic rays by AMS. In the absolute rigidity range 60 to 500 GV. the p¯, p, and positron (e+) fluxes are found to have nearly identical rigidity dependence. This contrasts with the electron (e-) flux. which exhibits a different rigidity dependence. Below 60 GV. the (p¯/p), (p¯/e+). and (p/e+) flux ratios each reach a maximum. From 60 to 500 GV. the (p¯/p).. (p¯/e+). and (p/e+) flux ratios show no rigidity dependence. These are new observations on the properties of charged elementary particles in cosmic rays. (Copies available exclusively from MIT Libraries, libraries.mit.edu/docs - docs mit.edu).
Notlar:
School code: 0753
Tüzel Kişi Ek Girişi:
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(687341.1) | 687341-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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