A 70 MeV H- cyclotron system has been installed at the Institute for Basic Science (IBS) from Nov. 2021 as a driver for ISOL system. Internal beam was first accelerated in May 2022 and utilized to highly isochronize the magnetic field using Smith-Garren method. In June, a beam of 70 MeV was extracted to two beam lines and beam emittance was measured by variations of quadrupole strengths and using a beam profile monitor. Site acceptance tests were carried out with a temporary beam line installed to measure beam profiles at the location of ISOL target employing a wobbling magnet to shape beam current distributions. A beam position monitor built in-house was also used to measure beam off-centers and currents. Commissioning was completed in Nov. and now we are planning to utilize this newly established facility for the productions of neutrons and medical isotopes. As spare spaces are available for both applications, we will present a design of full utilization along with beam commissioning results.

The RAON ultra-low energy experiment team decided that the first experiment was to accelerate the proton 70 MeV using a cyclotron and collide with the SiC target to generate a radioactive isotope beam. Before this experiment, a preliminary experiment was conducted to confirm the exact location and shape of the proton beam before directly colliding with the target to generate a lot of radiation or prevent the loss of the target. The pre-experiment was done to understand the characteristics of the proton beam at the target position by configuring the faraday cup, wire grid, collimator, and slit inside the proton module. The beam current was from 1~1.5 μA, and the beam size was confirmed under the slit size 2˟2 cm2.