Proposal for a Feasibility Study of Very Large Aperture Quadrupole Magnets’

We seek expert assistance in performing a feasibility study for quadrupole magnets with inner radius at least 80 cm, field at that radius of at least 1.5 Tesla, and field integral at that radius of at least 3 Tesla-m. These magnets would be used as the spectrometer magnets in hadron-collider experiments that emphasize relatively low transverse momentum and large angular coverage, such as studies of B physics and of a variety of physics topics in the far-forward direction. The magnets would preferably be superconducting, but conventional construction may be considered as well. Should the magnets be deemed feasible, we then seek to initiate an R&D program to construct a prototype.