Abstract
We describe an algorithm which has been developed to extract fine granularity information from an electromagnetic calorimeter (ECAL) with strip-based readout. Such a calorimeter, based on scintillator strips, is being developed to apply particle flow reconstruction to future experiments in high energy physics. The application of this algorithm to 100GeV hadronic jets in an ECAL with 45×5mm2 transverse segmentation improves the energy resolution from 3.6% to 3.0%, to be compared to the resolution of 2.9% achieved by an ECAL with 5×5mm2 segmentation. The performance can be further improved by the use of 10×10mm2 tile-shaped layers interspersed between strip layers.
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