Abstract
An essential part of the DiMuon Arm Spectrometer of the ALICE experiment is a conventional Dipole Magnet (DM) of about 890 tons, which provides the bending power to measure the momenta of muons. The JINR engineering design of the DM, technical characteristics and description of the proposed manufacturing procedure are presented. The proposed coil fabrication technique is based on winding of flat pancakes, which are subsequently bent on cylindrical mandrels. The pancakes are then stacked and cured with prepreg insulation. The method is demonstrated on hand of the prototype II, which consists of a pancake made with full-size aluminum conductor. Some details of electromagnetic and mechanical calculations are described. The results of measuring of mechanical and electrical characteristics of materials related to the coil composite structure are discussed.
Highlights
A LARGE Dipole Magnet (DM) is required for the DiMuon Arm Spectrometer of ALICE experiment at the LHC
In March 1997 the decision was taken by the ALICE Collaboration to build a resistive DM
The DM iron yoke consists of four parts: bottom and top blocks and two uprights
Summary
A LARGE Dipole Magnet (DM) is required for the DiMuon Arm Spectrometer of ALICE experiment at the LHC. It provides the bending power to measure the momenta of muons. In March 1997 the decision was taken by the ALICE Collaboration to build a resistive DM. Since the design work has been pursued at JINR (Dubna) and at CERN. A general description of the design of the magnet and current status of the work is presented in [1]–[3]
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