In the light of the available technology, it was decided to adopt a wire-grid spark chamber with magnetic-core read-out as the central measuring device and ... Schematic sectional view of the COS-B experiment. ... The energy calorimeter consists of a single CsI(Tl) crystal (E) , 250 mm diameter and 4.7 radiation length thick.
|Title||:||Recent advances in gamma-ray astronomy|
|Author||:||R. D. Wills|