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A balloon-borne ionization spectrometer with very large aperture for the detection of high energy cosmic rays

A balloon experiment which was used to determine the chemical composition of very high energy cosmic rays up to and beyond 100 GeV /nucleon is described. The detector had a geometric factor of 1 m/sup 2/ sr and a total weight on the balloon of 2100 kg. The apparatus consisted of an ionization spectr...

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Detalles Bibliográficos
Autores principales: Atallah, K, Cleghorn, T F, Modlinger, A, Schmidt, W K H
Lenguaje:eng
Publicado: 1975
Materias:
Acceso en línea:https://dx.doi.org/10.1016/0029-554X(75)90598-4
http://cds.cern.ch/record/873295
Descripción
Sumario:A balloon experiment which was used to determine the chemical composition of very high energy cosmic rays up to and beyond 100 GeV /nucleon is described. The detector had a geometric factor of 1 m/sup 2/ sr and a total weight on the balloon of 2100 kg. The apparatus consisted of an ionization spectrometer, spark chambers, and plastic scintillation and Cherenkov counters. It was calibrated at CERN up to 24 GeV/c protons and at DESY up to 7 GeV/c electrons. In October 1972 it was flown successfully on a stratospheric balloon. (9 refs).