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Istituto Nazionale di Fisica Nucleare
National Institute for Nuclear Physics
ASG Superconductors based in Genoa, Italy, was recently awarded the contract to build one of the three magnets for the international Mu2e (Muon to electron) experiment at Fermilab, which will study the conversion of muons to electrons. The contract reflects the successful partnership between fundamental research and industrial research. Mu2e is part of the international research programme to study rare process that violate the law of lepton number conservation and cannot be explained by the Standard Model of elementary particles, and so require us to push the frontiers of our current knowledge. The Mu2e collaboration comprises approximately 200 scientists from 33 institutions in five countries: the US, Italy, Russia, Germany and the UK. The superconducting magnet system is at the heart of the experiment and will have a key role in its performance. The transport solenoid produced by ASG is the central of the three magnets and is made up of 27 modules. It's task is to select and separate the negatively and positively charged particles. It is long enough to allow all the particles that produce spurious signals to decay and thus create a "pure" beam of negative muons. The solenoid prototype was developed by the INFN team in Genoa and features the use of innovative construction technology. The module, produced by ASG Superconductors within the specified time and budget constraints, was subsequently tested at Fermilab, where it was found to exceed its performance specifications.