Calorimetry Detector Research and Development for the International Linear Collider

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The International Linear Collider (ILC) project is expected to be the next world-wide particle physics facility. Its accelerators will collide electrons on positrons at energies from 500 GeV up to 1 TeV. While the Large Hadron Collider (LHC) at CERN has discovered the Higgs and helps understand the origin of mass, the ILC will be essential in extending these discoveries and making precision measurements on these particles, their properties and modes of interaction. The two facilities are highly complementary and are both needed to probe and push the most fundamental theories of our physical world. Intensive world-wide efforts are currently pursued toward these objectives. Accelerator and detector design reports have been completed in 2013. A site has been selected in Japan to host the ILC. With international support, Japan hopes to be able to present the first political decisions in 2016. Novel calorimeters based on particle flow algorithm techniques and high granularity detectors have been and are still developed. Prototypes were constructed and tested for the ILC detectors. These activities are coordinated by the international CALICE collaboration. Researchers are achieving unprecedented jet energy resolution and actual particle calorimetry tracking. Canadians have joined CALICE in 2005 and have already contributed to the effort out of proportion to their number. We would like to be able to continue our work on calorimeter prototypes, taking data at test beams as required and performing major physics analysis of the detector responses. We have to establish the full evaluation of the results and prepare for their integration into the final designs required by the ILC detectors. This entails detailed response to the different type of particles, full calibration, energy and space resolution performances characteristics, as well as development of algorithms to sustain them all.