Title

Deconvolution of energy spectra in the ATIC experiment

Document Type

Conference Proceeding

Publication Date

1-1-2005

Abstract

The Advanced Thin Ionization Calorimeter (ATIC) balloon-borne experiment is designed to perform cosmicray elemental spectra measurements from below 100 GeV up to tens of TeV for nuclei from hydrogen to iron. The instrument is composed of a silicon matrix detector followed by a carbon target, interleaved with scintillator tracking layers, and a segmented BGO calorimeter composed of 320 individual crystals totalling 18 radiation lengths, used to determine the particle energy. The technique for deconvolution of the energy spectra measured in the thin calorimeter is based on detailed simulations of the response of the ATIC instrument to different cosmic ray nuclei over a wide energy range. The method of deconvolution is described and energy spectrum of carbon obtained by this technique is presented.

Publication Source (Journal or Book title)

29th International Cosmic Ray Conference, ICRC 2005

First Page

353

Last Page

356

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