PAMELA results on the cosmic-ray antiproton flux from 60 MeV to 180 GeV in kinetic energy.
Phys Rev Lett
; 105(12): 121101, 2010 Sep 17.
Article
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| MEDLINE
| ID: mdl-20867623
The satellite-borne experiment PAMELA has been used to make a new measurement of the cosmic-ray antiproton flux and the antiproton-to-proton flux ratio which extends previously published measurements down to 60 MeV and up to 180 GeV in kinetic energy. During 850 days of data acquisition approximately 1500 antiprotons were observed. The measurements are consistent with purely secondary production of antiprotons in the Galaxy. More precise secondary production models are required for a complete interpretation of the results.
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MEDLINE
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En
Revista:
Phys Rev Lett
Año:
2010
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Article
País de afiliación:
Italia
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Estados Unidos