Speaker
Description
The CSNS linac delivers a primary H- beam to the rapid cycling synchrotron (RCS), while stripped proton beams are also produced during beam transport. Protons generated naturally by residual-gas stripping are extracted to the Associated Proton beam Experiment Platform (APEP) and used for low-intensity irradiation of devices and materials. Controlled carbon-foil stripping in the LRBT removes peripheral high-emittance particles, reducing transport and RCS injection losses and enlarging the available painting range. The separated foil-stripped proton beam can reach much higher intensity and is being developed for applications including medical-isotope production. In addition, a preliminary study of intra-beam stripping (IBSt) is presented specifcally for the higher-current, higher-energy CSNS-II linac. These studies illustrate how stripping processes can be treated not only as beam-loss sources, but also as tools for beam optimization and secondary-proton-beam applications.
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