Study of the effect of tower failure on event reconstruction for GLAST

Details Study of the effect of tower failure on event reconstruction for GLAST Study of the effect of tower failure on event reconstruction for GLAST

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aps..tsf.bb001r&link_type=abstract

American Physical Society, Texas Section Fall Meeting, October 4-6, 2001 Fort Worth, Texas Meeting ID: TSF01, abstract #BB.001

Mathematics

Probability

Scientific paper

The Gamma-ray Large Area Space Telescope (GLAST) consists of 16 identical towers, each composed of a tracker module and a calorimeter. In order to identify a particle track, the on-board software must be able to reconstruct the hit pattern across the various towers, and reconcile this track with the energy centroid in the calorimeter. Due to the complexity of the tower's design, the probability of a single tower failure is not zero. The effects of the loss of one or more towers on the ability of the instrument to properly identify a particle's track was studied this summer. We found that the probability that the event was lost varied depending upon the specific tower involved, as well as the incident angle, but that in general the loss of one tower would not severely affect the instrument's performance. This work was supported by NASA research grant NAG5-7159

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