Abstract
The NUCLEON satellite experiment is designed to investigate directly, above the atmosphere, the energy spectra of cosmic-ray nuclei and the chemical composition (Z= 1 − 30) at energy range 100GeV- 1000 TeV. The effective geometric factor is more than 0.2m 2 sr for nuclei and 0.06 m 2 sr for electrons. The planned exposition time is more than 5 years. 1. The aims of the NUCLEON experiment The NUCLEON satellite experiment is designed to investigate directly, above the atmosphere, the energy spectra of cosmic-ray nuclei and the chemical composition from 100GeV to 1000TeV (before the knee). The additional aim is the cosmic-ray electron spectrum measurement (from 20GeV to 3TeV).
Highlights
The NUCLEON satellite experiment is designed to investigate directly, above the atmosphere, the energy spectra of cosmic-ray nuclei and the chemical composition from 100 GeV to 1000 TeV
250 × 250 mm and a weight of ∼26 kg. In this contribution we present the design of the instrument, and some results of accelerator beam tests in terms of charge and energy resolution
The effective geometric factor is more than 0.2 m2sr for the KLEM (Kinematic Lightweight Energy Meter) system and near 0.06 m2sr for the calorimeter
Summary
The NUCLEON satellite experiment is designed to investigate directly, above the atmosphere, the energy spectra of cosmic-ray nuclei and the chemical composition from 100 GeV to 1000 TeV (before the “knee”). The “knee” energy range, 1014 − 1016 eV, is a crucial region for the understanding of the cosmic-ray acceleration and propagation in the interstellar medium. It is important to obtain more data with elemental resolution since the “knee” region is interesting for astrophysics. Some important results has been obtained in the past years by the PAMELA satellite [6, 7], and recently by AMS02 [8, 9] and Fermi-LAT [10], currently taking data. 250 × 250 mm and a weight of ∼26 kg In this contribution we present the design of the instrument, and some results of accelerator beam tests in terms of charge and energy resolution. The potential of the instrument to achieve the declared goals are presented
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