Proposed BISOL Facility – a Conceptual Design

Abstract

In China, a new large-scale nuclear-science research facility, namely the "Beijing Isotope-Separation-On-Line neutron-rich beam facility (BISOL)", has been proposed and reviewed by the governmental committees. This facility aims at both basic science and application goals, and is based on a double-driver concept. On the basic science side, the radioactive ion beams produced from the ISOL device, driven by a research reactor or by an intense deuteron-beam ac- celerator, will be used to study the new physics and technologies at the limit of the nuclear stability in the medium mass region. On the other side regarding to the applications, the facility will be devoted to the material research asso- ciated with the nuclear energy system, by using typically the intense neutron beams produced from the deuteron-accelerator driver. The initial design will be outlined in this report.

The neutron-rich edge of the nuclear landscape: Experiment and theory.

“…first milestone has been reached with the recent laser acceleration of Au ions with an energy above 5 MeV/nucleon [88]. As mentioned above, projects of future facilities, EURISOL [82] and Beijing ISOL (BISOL) [89], are based on the secondary fragmentation of intense post-accelerated fission-induced neutron-rich ISOL beams. In the case of BISOL, rates of 10 15 fissions per second are expected from the interaction of a 8 × 10 14 cm −2 s −1 neutron flux onto a Uranium target.…”

Construction and commissioning of the collinear laser spectroscopy system at BRIF

“…In recent years, the combination of the high-resolution CLS with the high-sensitivity resonance ionization spectroscopy (RIS) has further broadened the applicability of the CLS for more exotic nuclei [11]. The relevant CLS setups have been widely established and planned on the existing and the on-going next generation RI beam facilities worldwide [3,10,11,12,17,18,19,20].…”

“…Meanwhile, two next-generation RI beam facilities, i.e. HIAF (High Intensity heavy ion Accelerator Facility) [25] and BISOL (Beijing Isotope-Separation-On-Line neutron-rich beam facility) [19] are currently under construction and planned, respectively, which will offer new opportunities for the exploration of unstable nuclei. As laser spectroscopy apparatus has not yet been established at the RI beam facilities in China, we thus have developed a new CLS system at BRIF, part of which was already tested with the bunched stable ion beams provided by an offline laser ablation ion source, as reported recently in Ref.…”