CBM Dipole Magnet
Buyer: FAIR - Facility for Antiproton and Ion Research in Europe GmbH
- Published
- 31 January 2024
- Place of performance
- Darmstadt, DE711
- Procedure
- neg-w-call
- Lots
- 1
- Notice number
- 00065088-2024
- Reference
- 8329801d-5033-4719-95ec-fe87cc787089
- Official source
- Official source
CPV codes
- 31630000Imanes
Description
Superconducting dipole magnet for the Compressed Baryonic Matter (CBM) experiment at FAIR. The magnet houses the Silicon Tracking System (STS) and provides a magnetic field integral of 1 Tm which is needed to obtain a momentum resolution of ?p/p < 2% for track reconstruction at FAIR beam energies. The magnet gap has a height of 147 cm and a width of 330 cm in order to accommodate the STS detector. The magnet is of the H-type with a warm iron yoke/pole and cylindrical superconducting coils in two separate casings like the SAMURAI magnet at RIKEN. The potted coil uses Nb-Ti wire with a large Cu/SC ratio. The coil case made of stainless steel contains liquid helium for cooling. The vertical force in the coils is about 300 tons. The cold mass is suspended from the room-temperature vacuum vessel by suspension links. Cylindrical support struts compensate for the vertical forces. The energy stored in the magnet is about 5 MJ. The magnet will be self-protecting. However, in order to limit the temperature rise to 120 K in case of a quench, the energy will be dumped in an external resistor.
Awards
| Awarded to | Amount | Date |
|---|---|---|
| Bilfinger Noell GmbH | €4,595,000 | — |
Frequently asked questions
- Who is the buyer of this tender?
- The contracting authority is FAIR - Facility for Antiproton and Ion Research in Europe GmbH (European Union).
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