Initial commissioning of the ISAC RIB facility
作者： P.W. Schmor
关键词: Ion beam 、 Physics 、 Ion source 、 Proton 、 Nuclear astrophysics 、 Nuclear physics 、 Beamline 、 Beam (structure) 、 Spectrometer 、 Linear particle accelerator
摘要: Construction began in 1995 on ISAC, a radioactive ion beam (RIB) and accelerator facility at TRIUMF that utilises the ISOL (on-line isotope separation) production method. ISAC includes: new building, line with adequate shielding to transport up 100 uA of 500 MeV protons two target/ion-source stations, remote handling facilities for targets, high-resolution mass-separator, linear accelerators experimental facilities. The target/ion source station permits nuclei far from stability over large isotopic range high luminosity. Ions can be transported energies 60 keV through low-resolution pre-separator magnet followed by high-acceptance, mass-separator variety low energy stations. Alternatively, ions q/A greater than or equal 1/30 an 2 keV/amu bunched prior cw RFQ operating 35 MHz. 150 is stripped isotopes particular 1/6 are selected acceleration DTL. DTL separated function five accelerating tanks three split-ring bunchers 105 final will variable 0.15 1.5 MeV/amu. accelerated beams used primarily nuclear astrophysics studies. commissioning proton line, source, mass separator has started. neutral atom trap (TRINAT) yield using November 1998. stable 54 keV/amu. first tank drift tube linac subsequent buncher have been commissioned full rf power. Beam scheduled end 1999. full-energy RIB become available DRAGON recoil spectrometer 2000. A five-year plan includes upgrade permit 6.5 MeV/amu masses amu presented funding.
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