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| Title: | MTOF — A HIGH RESOLUTION ISOBAR SEPARATOR FOR STUDIES OF EXOTIC DECAYS | |
| DOI No: | 10.1142/9789812833433_0030 | |
| Source: | FISSION AND PROPERTIES OF NEUTRON-RICH NUCLEI (pp 241-251) | |
| Author(s): | A. PIECHACZEK
Louisiana State University, Baton Rouge, LA, USA V. SHCHEPUNOV UNIRIB, Oak Ridge Associated Universities, Oak Ridge, TN, USA H. K. CARTER UNIRIB, Oak Ridge Associated Universities, Oak Ridge, TN, USA J. C. BATCHELDER UNIRIB, Oak Ridge Associated Universities, Oak Ridge, TN, USA E. F. ZGANJAR Louisiana State University, Baton Rouge, LA, USA S. N. LIDDICK UNIRIB, Oak Ridge Associated Universities, Oak Ridge, TN, USA H. WOLLNIK Iontech, Santa Fe, NM, USA Y. HU Grinnell College, Grinnell, IA, USA Oak Ridge Associated Universities, USA B. O. GRIFFITH UNIRIB, Oak Ridge Associated Universities, Oak Ridge, TN, USA |
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| Abstract: | A compact high resolution, isobar separator, based on the Multi-pass-Time-of-Flight (MTOF) principle, is being built by the University Radioactive Ion Beam (UNIRIB) Consortium. MTOF as a spectroscopy tool will have the capability to suppress a contaminating nuclear species with a relative mass difference of M/dM > 40,000 by a factor of ≫ 100. MTOF has high transmission (20% - 50%), is not chemistry dependent and fast (2-10 milliseconds of analysis time per ion bunch of ~ 104 ions). The commissioning of and first experiments with MTOF will take place at the UNISOR mass separator of HRIBF, which acts as a low resolving power pre-separator. At this location, MTOF will provide isobarically pure samples of nuclei for decay spectroscopy produced in fusion-evaporation reactions with stable beams from the 25-MV tandem accelerator or by fission of UC. MTOF is capable of providing isobarically pure samples of all masses. Initially, our experimental program will focus on the region around 100Sn. | |
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