Development and Manufacturing of a$hboxNb_hbox3hboxSn$Quadrupole Magnet Model at CEA/Saclay for the TESLA Interaction Region

One possible application of Nb/sub 3/Sn, whose superconducting properties far exceed those of NbTi, is the fabrication of short and powerful quadrupole magnets for the interaction regions of large particle accelerators. In some projects, as in the future linear collider TESLA, the quadrupole magnets are inside the detector solenoid and must operate in its background field. This situation gives sin...