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ELSEVIER
DOI: 10.1016/j.nima.2022.167548
关键词
RI beam; Ion optics; Magnetic spectrometer; Beam transport; Dispersion matching; Superconducting magnets
A High Rigidity Spectrometer (HRS) has been designed for experiments at the Facility for Rare-Isotope Beams (FRIB) at Michigan State University (MSU), allowing for the study of exotic neutron-rich isotopes at high beam energies. The HRS consists of a High-Transmission Beamline (HTBL) and a Spectrometer Section, with a maximum magnetic rigidity of 8 Tm.
A High Rigidity Spectrometer (HRS) has been designed for experiments at the Facility for Rare-Isotope Beams (FRIB) at Michigan State University (MSU). The HRS will allow experiments to be performed with the most exotic neutron-rich isotopes at high beam energies (A100 MeV/u). The HRS consists of an analysis beamline called the High-Transmission Beamline (HTBL) and the spectrometer proper called the Spectrometer Section. The maximum magnetic rigidity of the HRS is 8 Tm, which corresponds to the rigidities at which rare-isotope beams are optimally produced at FRIB. The resolving power, angular acceptance, and momentum acceptance are set to match the anticipated scientific program. An ion-optical design developed for the HRS is described in detail, along with the specifications of the associated magnet and detector systems.
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