Title

Elemental spectra from the first ATIC flight

Document Type

Conference Proceeding

Publication Date

1-1-2005

Abstract

The Advanced Thin Ionization Calorimeter (ATIC) instrument is a balloon-borne experiment designed to measure the composition and energy spectra of Z = 1 to 26 cosmic rays over the energy range from ̃ 1011 to 10 eV. The instrument consists of a silicon matrix charge detector, plastic scintillator strip hodoscopes interleaved with graphite interaction targets, and a fully active Bismuth Germanate (BGO) calorimeter. ATIC had two successful Long Duration Balloon flights launched from McMurdo Station, Antarctica in 2000 and 2002. In this paper, preliminary energy spectra of C and O measured during the first 16-day flight are presented.

Publication Source (Journal or Book title)

29th International Cosmic Ray Conference, ICRC 2005

First Page

57

Last Page

60

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