Measurements of 0.2 to 20 GeV/n cosmic-ray proton and helium spectra from 1997 through 2002 with the BESS spectrometer

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dc.creatorShikaze, Y.
dc.creatorHaino, S.
dc.creatorAbe, K.
dc.creatorFuke, H.
dc.creatorHams, T.
dc.creatorKim, K. C.
dc.creatorMakida, Y.
dc.creatorMatsuda, S.
dc.creatorMitchell, J. W.
dc.creatorMoiseev, A. A.
dc.creatorNishimura, J.
dc.creatorNozaki, M.
dc.creatorOrito, S.
dc.creatorOrmes, J. F.
dc.creatorSanuki, T.
dc.creatorSasaki, M.
dc.creatorSeo, E. S.
dc.creatorStreitmatter, R. E.
dc.creatorSuzuki, J.
dc.creatorTanaka, K.
dc.creatorYamagami, T.
dc.creatorYamamoto, A.
dc.creatorYoshida, T.
dc.creatorYoshimura, K.
dc.date2006-11-13
dc.date2007-04-21
dc.date.accessioned2026-07-07T11:00:11Z
dc.date.available2026-07-07T11:00:11Z
dc.descriptionWe measured low energy cosmic-ray proton and helium spectra in the kinetic energy range 0.215 - 21.5 GeV/n at different solar activities during a period from 1997 to 2002. The observations were carried out with the BESS spectrometer launched on a balloon at Lynn Lake, Canada. A calculation for the correction of secondary particle backgrounds from the overlying atmosphere was improved by using the measured spectra at small atmospheric depths ranging from 5 through 37 g/cm^2. The uncertainties including statistical and systematic errors of the obtained spectra at the top of atmosphere are 5-7 % for protons and 6-9 % for helium nuclei in the energy range 0.5 - 5 GeV/n.
dc.description27 pages, 7 Tables, 9 figures, Submitted to Astroparticle Physics
dc.identifierhttps://arxiv.org/abs/astro-ph/0611388
dc.identifierhttp://arxiv.org/abs/astro-ph/0611388
dc.identifierAstropart.Phys.28:154-167,2007
dc.identifierdoi:10.1016/j.astropartphys.2007.05.001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187629
dc.subjectAstrophysics
dc.titleMeasurements of 0.2 to 20 GeV/n cosmic-ray proton and helium spectra from 1997 through 2002 with the BESS spectrometer
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