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

  • 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
  • Kyushu University
  • Laboratoire de l'Accélérateur Linéaire
  • Ip Paris
  • Institute of High Energy Physics, Chinese Academy of Sciences
  • Sorbonne Université
  • Sungkyunkwan Universtity
  • KEK (High Energy Accelerator Research Organization)

Research output: Contribution to journalArticlepeer-review

Abstract

The technological prototype of the CALICE highly granular silicon–tungsten electromagnetic calorimeter (SiW-ECAL) was tested in a beam at DESY in 2017. The setup comprised seven layers of silicon sensors. Each layer comprised four sensors, with each sensor containing an array of 256 5.5×5.5 mm2 silicon PIN diodes. The four sensors covered a total area of 18 × 18 cm and comprised a total of 1024 channels. The readout was split into a trigger line and a charge signal line. Key performance results for signal over noise for the two output lines are presented, together with a study of the uniformity of the detector response. Measurements of the response to electrons for the tungsten loaded version of the detector are also presented.

Keywords

  • Calorimeter methods
  • Calorimeters
  • Si and pad detectors

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