Abstract

A project of the solenoid magnet for the PANDA detector developed in Genova is presented here. This is a thin, superconducting coil realized with Rutherford-type, aluminum stabilized cable, indirectly cooled using a circulation of two-phase helium in a proper net of pipes welded on an external coil former. The concept of this magnet is the same of many existing detector magnets, such as BaBar, Finuda, Delphi, CMS and many others: we took as a guideline keeping all the critical parameters under the values obtained in working magnets. The way the magnetic (2 T central field, plusmn 2% uniformity, small radial field), thermal (1.8 K safety margin, safe quench behavior) and mechanical (100 t magnetic force compensation, path load for nested detectors) requirements were fulfilled is shown here.

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