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Measurement of the flux of primary cosmic ray antiprotons with energies of 60 MeV to 350 GeV in the PAMELA experiment
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2013 (English)In: JETP Letters: Journal of Experimental And Theoretical Physics Letters, ISSN 0021-3640, E-ISSN 1090-6487, Vol. 96, no 10, 621-627 p.Article in journal (Refereed) Published
Abstract [en]

It is interesting to measure the antiproton galactic component in cosmic rays in order to study the mechanisms by which particles and antiparticles are generated and propagate in the Galaxy and to search for new sources of, e.g., annihilation or decay of dark matter hypothetical particles. The antiproton spectrum and the ratio of the fluxes of primary cosmic ray antiprotons to protons with energies of 60 MeV to 350 GeV found from the data obtained from June 2006 to January 2010 in the PAMELA experiment are presented. The usage of the advanced data processing method based on the data classification mathematical model made it possible to increase statistics and analyze the region of higher energies than in the earlier works.

Place, publisher, year, edition, pages
2013. Vol. 96, no 10, 621-627 p.
Keyword [en]
Anti-Protons, Matter
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Physical Sciences
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URN: urn:nbn:se:kth:diva-119063DOI: 10.1134/S002136401222002XISI: 000314412900004Scopus ID: 2-s2.0-84873490346OAI: oai:DiVA.org:kth-119063DiVA: diva2:609497
Note

QC 20130306

Available from: 2013-03-06 Created: 2013-03-05 Last updated: 2017-12-06Bibliographically approved

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Pearce, Mark

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