期刊
PHYSICS LETTERS B
卷 594, 期 1-2, 页码 35-46出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2004.05.019
关键词
cosmic-ray proton; cosmic-ray helium; atmospheric muon; atmospheric neutrino; superconducting spectrometer
Primary and atmospheric cosmic-ray spectra were precisely measured with the BESS-TeV spectrometer. The spectrometer was upgraded from BESS-98 to achieve seven times higher resolution in momentum measurement. We report absolute fluxes of primary protons and helium nuclei in the energy ranges, 1-540 GeV and 1-250 GeV/n, respectively, and absolute flux of atmospheric muons in the momentum range 0.6-400 GeV/c. (C) 2004 Elsevier B.V. All rights reserved.
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