Cubic Calorimeter for High-Energy Electrons in Ultra-Long Ballooning

Details Cubic Calorimeter for High-Energy Electrons in Ultra-Long Ballooning Cubic Calorimeter for High-Energy Electrons in Ultra-Long Ballooning

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....4.2097m&link_type=abstract

Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I

Physics

Scientific paper

The concept and optimization study of a balloon-b orne instrument to study high-energy (from 100 GeV to 5 TeV) cosmic ray electrons will be presented. This energy range of electrons is very interesting for the study of cosmic ray propagation and the search for nearby sources of high-energy electrons. The instrument is based on a cubic design that allows detection from all sides. Proton rejection is provided by stringent track analysis, which detects when an electron shower is exhausted while a hadron shower continues development. The collecting power of a nominal balloon-b orne instrument using this concept will be over 2 m2 sr. This will provide ˜3,000 electron events above 500 GeV for a 3-month long Ultra-long-duration Balloon (ULDB) flight. This instrument will also be capable of detecting sharp features in the high energy gamma-ray spectrum such as gamma-ray lines originating from dark matter annihilation.

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