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Welcome to DRD Calo
The DRD Calo exists since January 1st 2024 after approval of the Proposal by the CERN Research Board

Mission
The mission of the DRD Calo collaboration and the scope of its activities are driven by the following goals and principles:
- We develop calorimeter concepts as required for future high-energy physics experiments, focusing on those defined in the ECFA Detector Roadmap.
- We share the development of tools and infrastructure of common interest among the different projects.
- Electromagnetic and hadronic calorimeters are developed in a unified approach. Cooperation with tail catcher and muon system efforts is sought for test beam experiments.
- We carry out test beam campaigns with prototypes of different sizes. The maturity of the concept will have to be demonstrated with full-scale prototypes (i.e. able to contain more than about 95% of a shower). The collaboration organises the task sharing between the prototype projects, to unfold synergies between them and maximise the use of common infrastructures, building blocks and frameworks, as well as simulation code and data samples. This is also aimed at enabling common test beams with electromagnetic and hadronic calorimeters.
- Analysis of common test beam data is organised in a common and open manner.
- DRD Calo members agree upon publication guidelines and commit themselves to follow them.
- We carry out research to the benefit of the progress of pure science or societal applications where possible. The work will be based on mutual respect regardless of ethnicity, gender, religious convictions or sexual orientation. We consider diversity to be an asset for the collaboration. We fully adhere to the values defined in the ECFA, NUPECC and APPEC Diversity Charter.
As of September 2025, the DRD Calo consists of 129 institutes from 28 countries.