The HELIOS spectrometer and the radioactive beam program at argonne
The near-term radioactive beam capabilities of ATLAS include radioactive beams produced in flight in a gas cell, or starting in the fall of 2009, re-accelerated beams of 252Cf fission fragments provided by the new CARIBU injector. The availability of such exotic beams will allow for detailed studies of the single-particle aspects of nuclear structure in neutron-rich nuclei reaching out to the astrophysical r-process path by employing light-ion reactions in inverse kinematics. The HELIOS spectrometer is based on a new concept that is especially well suited for such studies. This concept was recently demonstrated using the reactions D(28Si,p)29Si with a (stable) 168 MeV 28Si beam. Since then D(12B,p) 13B, D(17O,p)18O, and D(15C,p) 16C have been studied successfully. The combination of neutron-rich beams from CARIBU and the HELIOS spectrometer opens a fertile research area of precision studies of the single particle strengths and collective excitations in exotic nuclei, and is likely to have applications in other reactions as well. © 2010 World Scientific Publishing Company.
Publication Source (Journal or Book title)
International Journal of Modern Physics E
Back, B., Back, B., Antler, N., Baker, S., Hoffman, C., Clark, J., Deibel, C., Digiovine, B., Freeman, S., Goodman, N., Grelewicz, Z., Heimsath, S., Kay, B., Lee, H., Lister, C., Marley, S., Mueller, P., Pardo, R., Rehm, K., Rohrer, J., Schiffer, J., Snyder, J., Syrion, M., Lighthall, J., Vann, A., Winkelbauer, J., Woodard, A., Shetty, D., & Wuosmaa, A. (2010). The HELIOS spectrometer and the radioactive beam program at argonne. International Journal of Modern Physics E, 19 (5-6), 825-836. https://doi.org/10.1142/S021830131001528X