Objective
The Preshower detector is a component of the endcap electromagnetic calorimeter of the CMS experiment. Its essential role is to reduce the neutral pion background in the search for the Higgs boson in the favoured mass range between 110 and 140 GeV/c2. The active area of the Preshower is built from 4304 silicon detector modules, each containing a 63x63mm2 sensor, its associated electronics hybrid, a ceramic support and an aluminium tile. The modules are assembled in ladders of up to 10 modules that are connected to an individual readout board.
In a previous INTAS open project, we developed most of the individual components of the modules, in particular the silicon detectors. The aim of the present research project is to investigate all the integration aspects of the ladder assembly, using the final sensors and the final front-end and digital readout electronics, to optimise the assembly procedures including a large quality control database system, and to study the performance of a large prototype identical, except for its lateral dimensions, to the final CMS Preshower.
The research project involves three teams from different NIS countries (Armenia, Belarus, Russia). The largest fraction of silicon sensors will be purchased from ELMA (Russia), and tested by the team from Dubna who will also assemble the modules. The ceramic and Al support of the modules will be manufactured in Armenia under the supervision of the Yerevan Physics Institute. The team from Minsk will provide the tooling for the ladder assembly. The teams of INTAS will mainly provide the associated electronics and the infrastructure to test the prototype in particle beams.
The test in electron beams at CERN will be a common effort, shared by all institutes as well as the following data analysis. Several young researchers from NIS countries will be involved.
The research project, if successful, will allow us to launch the production of the Silicon modules and ladders required for the CMS Preshower. It is foreseen that 40% of these modules will be manufactured and assembled in NIS countries.
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Coordinator
69622 Villeurbanne
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.