Title

Determining the detection efficiency and background level of ATIC electron observation from flight data

Document Type

Conference Proceeding

Publication Date

1-1-2009

Abstract

Observations of Cosmic-ray electrons are difficult due to the large flux of cosmic ray hadrons. The event selection efficiency and background levels can be estimated from flight data for the ATIC instrument. This reduces the dependence upon Monte Carlo simulations, which show differences between different codes, thereby reducing the systematic errors resulting from analyses that only use simulations. This paper discusses some of the methods used in the ATIC analysis to determine the detection efficiency and background level for the flight data.

Publication Source (Journal or Book title)

31st International Cosmic Ray Conference, ICRC 2009

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