Summary :

French member :
F. Le Diberder
E. Kou
R. Poeschl
F. Richard

Japanese member :
K. Fujii
A. Ishikawa
Y. Kio
Y. Kurihara
T. Suehara
Y. Sumino
T. Tanabe

References :

website :

Summary :
A compact and highly granular electromagnetic calorimeter at ILC is one of the key requirements for PFA high precision jet reconstruction and realization of ILC physics potential. R&D of silicon-tungsten calorimeter is the goal of this project. We plan to finalize the optimization of the ECAL geometry (dimensions and number of layers), to build and to test a detector (so-called "active sensor unit", or ASU) with 1024 channels per PCB serving 4 silicon sensors with 16x16 pixels, improve the DAQ software and to work on integration of several ASUs into one ILC full-scale detector. In parallel, Tokyo University plans irradiation tests and Kyushu University - tests of different designs of silicon sensors.

French member :
V. Balagura
M. Anduze
V. Boudry
J-C. Brient
R. Cornat
T. Tran

Japanese member :
Y. Kamiya
D. Jeans

References :
T.H.Tran, "ILD SiW ECAL and sDHCAL dimension-performance optimisation", report at LCWS'13, arXiv:1404.3173 [physics.ins-det]
Ch.Kozakai et al., "Robustness of a SiECAL used in Particle Flow Reconstruction", report at LCWS'13, arXiv:1404.0124 [physics.ins-det]
T.Tomita et al., "A study of silicon sensor for ILD ECAL", report at LCWS'13, arXiv:1403.7953 [physics.ins-det]
Editors: T.Behnke et al., "The International Linear Collider Technical Design Report - Volume 4: Detectors", arXiv:1306.6329 [physics.ins-det]

website :
https://twiki.cern.ch/twiki/bin/view/CALICE/SiWEcal

Summary

French members :
P-E. Macchi
L. Caillat-Vallet
B. Delaunay
V. Hamar
J-Y. Nief
M. Puel

Japanese members :
H. Matsunaga
G. Iwai
K. Murakami
T. Sasaki
S. Suzuki
W. Takase
Y. Watase

References

website