Beam test performance of the highly granular SiW-ECAL technological prototype for the ILC
The technological prototype of the CALICE highly granular silicon-tungsten electromagnetic calorimeter (SiW-ECAL) tested in beam at DESY in 2017. In this test the setup comprised seven layers of 1024 channels and a size of $18\times18$ cm$^2$ each. This article presents key performance results in terms of signal over noise ratios at different levels of the readout chain and a study of the uniformity of the detector response.
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Instrumentation and Detectors