Precision Measurement of the (e++e−) Flux in Primary Cosmic Rays from 0.5 GeV to 1 TeV with the Alpha Magnetic Spectrometer on the International Space Station

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dc.contributor.authorAguilar M.
dc.contributor.organizationfi=avaruustutkimuslaboratorio|en=Space Research Laboratory|
dc.contributor.organization-code2606702
dc.converis.publication-id2189522
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/2189522
dc.date.accessioned2025-08-27T23:45:30Z
dc.date.available2025-08-27T23:45:30Z
dc.description.abstract<p> We present a measurement of the cosmic ray (e++e-) flux in the range 0.5 GeV to 1 TeV based on the analysis of 10.6 million (e++e-) events collected by AMS. The statistics and the resolution of AMS provide a precision measurement of the flux. The flux is smooth and reveals new and distinct information. Above 30.2 GeV, the flux can be described by a single power law with a spectral index &gamma;=-3.170&plusmn;0.008(stat+syst)&plusmn;0.008(energyscale).</p>
dc.identifier.jour-issn0031-9007
dc.identifier.olddbid204558
dc.identifier.oldhandle10024/187585
dc.identifier.urihttps://www.utupub.fi/handle/11111/53078
dc.identifier.urlhttp://api.elsevier.com/content/abstract/scopus_id:84914707731
dc.identifier.urnURN:NBN:fi-fe2021042714508
dc.language.isoen
dc.okm.affiliatedauthorBattarbee, Markus
dc.okm.affiliatedauthorValtonen, Eino
dc.okm.affiliatedauthorEronen, Timo
dc.okm.affiliatedauthorTorsti, Jarmo
dc.okm.discipline115 Astronomy and space scienceen_GB
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA1 ScientificArticle
dc.publisherAmerican Physical Society
dc.relation.articlenumber221102
dc.relation.doi10.1103/PhysRevLett.113.221102
dc.relation.ispartofjournalPhysical Review Letters
dc.relation.issue22
dc.relation.volume113
dc.source.identifierhttps://www.utupub.fi/handle/10024/187585
dc.titlePrecision Measurement of the (e++e−) Flux in Primary Cosmic Rays from 0.5 GeV to 1 TeV with the Alpha Magnetic Spectrometer on the International Space Station
dc.year.issued2014

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