Beam test performance of the highly granular SiW-ECAL technological prototype for the ILC

31 Jan 2019  ·  K. Kawagoe, Y. Miura, I. Sekiya, T. Suehara, T. Yoshioka, S. Bilokin, J. Bonis, P. Cornebise, A. Gallas, A. Irles, R. Pöschl, F. Richard, A. Thiebault, D. Zerwas, M. Anduze, V. Balagura, V. Boudry, J-C. Brient, E. Edy, G. Fayolle, M. Frotin, F. Gastaldi, R. Guillaumat, A. Lobanov, M. Louzir, F. Magniette, J. Nanni, M. Rubio-Roy, K. Shpak, H. Videau, D. Yu, S. Callier, F. Dulucq, Ch. de la Taille, N. Seguin-Moreau, J. E. Augustin, R. Cornat, J. David, P. Ghislain, D. Lacour, L. Lavergne, J. M. Parraud, J. S. Chai, D. Jeans h ·

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