PEBS detectorThe Positron Electron Balloon Spectrometer (PEBS) program is aimed at the development of a science platform for cosmic-ray measurements at an altitude of up to 40km around the Earth's poles. PEBS is optimized to
measure cosmic ray electrons and positrons. The first steps in the PEBS
program are the construction and flight of PEBS-1 over the next few
years, with an expected extension to a superconducting magnet version
(PEBS-2) later. PEBS-1 will be able to measure the combined positron
and electron spectrum up to the TeV energy scale and to measure
individual electron and positron spectra up to 30 GeV. PEBS-2, which is
an upgraded version of PEBS-1 using mostly the same particle detection
technology but a more powerful magnet, will be capable of measuring
individual electron and positron spectra up to energies of 1800 GeV
limited only by fluxes, exposure times, and atmospheric backgrounds.
| PEBS-1 | PEBS-2 |
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