Measurement of cosmic ray elemental composition from the CAKE balloon experiment |
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| Authors: | S Cecchini T Chiarusi G Giacomelli E Medinaceli L Patrizii G Sirri V Togo |
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| Institution: | 1. INAF-IASF, via P. Gobetti 101, Bologna 40129, Italy;2. INFN Section of Bologna v.le C. Berti Pichat 6/2, Bologna I-40127, Italy;3. Dept. of Physics, Univ. of Bologna, v.le C. Berti Pichat 6/2, Bologna I-40127, Italy |
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| Abstract: | CAKE (Cosmic Abundances below Knee Energies) was a prototype balloon experiment for the determination of the charge spectra and abundances of the primary cosmic rays (CR) with Z > 10. It was a passive instrument made of layers of CR39® and Lexan®/Makrofol® nuclear track detectors; it had a geometric acceptance of ∼0.7 m2 sr for Fe nuclei. Here, the scanning and analysis strategies, the algorithms used for the off-line filtering and for the tracking in automated mode of the primary cosmic rays are presented, together with the resulting CR charge distribution and their abundances. |
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| Keywords: | Cosmic rays abundances Nuclear track detectors Automatic scanning and tracking |
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