12-20 July 2017
BEXCO
Asia/Seoul timezone
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Contribution

BEXCO - Room F(201/202/203/204)

[CRI088] Expected number of Extensive Air Showers observable by EUSO-SPB

Speakers

  • Francesco FENU

Primary authors

Co-authors

Description

EUSO-SPB (Extreme Universe Space Observatory - Super Pressure Balloon) is the first path-finder mission of the JEM-EUSO program aiming at detecting the fluorescence light emitted by Extensive Air Shower produced by cosmic ray particles in the atmosphere. EUSO-SPB will fly in Spring 2017 from the Wanaka base in New Zealand on board a NASA Super Pressure Balloon with the possibility of reaching up to a 100 days of flight, giving, therefore, the opportunity to observe for the first time a bunch of cosmic ray events with the fluorescence technique from the edge of space. By means of the ESAF (EUSO Simulation and Analysis Framework) package, which is one of the official simulation tools to study the performance of the different pathfinder missions of the JEM-EUSO program, extensive simulations have been carried out to determine the expected number of detectable events as a function of several parameters related to the detector performance itself (i.e. trigger logic, optics and electronics efficiency, etc..), to the different environmental conditions (i.e. nightglow level, presence of clouds at different heights with variable optical depth, etc...) as well as to the launch season and duration of the flight. The main results of these simulations studies will be presented.