Study of nuclear reactions with intense, high-purity, low-energy radioactive ion beams using a versatile multi-configuration dual superconducting-solenoid system
Abstract A new device (TwinSol) installed at the Nuclear Structure Laboratory at the University of Notre Dame implements a pair of large-bore 6 T superconducting solenoids for producing relatively pure, high-intensity beams of exotic light nuclei at low-energies (10–80 MeV). Typical beams include 8 Li and 6 He (T 1/2
High resolution particle decay spectroscopy of nuclear states produced in heavy-ion reactions
Abstract Optimum energy resolution has been pursued in the study of alpha-particle decay spectroscopy of selected 1p-shell nuclei. Counter telescopes with two-dimensional position sensitivity are used to identify three-body final state reactions which proceed by sequential binary decay. Heavy-ion beams of 3 to 8 MeV/u from the Florida State University Tandem/LINAC Accelerator Laboratory are used to initiate the reactions. Decay energy resolution of 5 keV has been observed for the reaction 12 C( 12 C, 8 Be → 2α) 16 O g.s. at a bombarding energy of 30.6 MeV.
A slowly rotating coil system for AC field measurements of Fermilab Booster correctors
A method for measurement of rapidly changing magnetic fields has been developed and applied to the testing of new room temperature corrector packages designed for the Fermilab Booster Synchrotron. The method is based on fast digitization of a slowly rotating tangential coil probe, with analysis combining the measured coil voltages across a set of successive magnet current cycles. This paper presents results on the field quality measured for the normal and skew dipole, quadrupole, and sextupole elements in several of these corrector packages.