A Novel Two Stage Collimation Unit for Fermilab Booster
A new two-stage collimation unit (2SC) for Fermilab Booster will be installed during 2024 summer shutdown. It is a supplementary collimator for existing single stage Booster collimators. Design details of this 2SC adapted to Booster conditions are described. Results of beam dynamics simulations on collimation efficiency and evaluation of collimator shielding with MARS code on this new system are presented. The analysis on beam dynamics shows that the system will help to collimate up to about 1% of the beam in a confined way and, prompt and residual activation meet Fermilab Radiological Control limits in current as well as during PIP-II era high intensity operation of the Booster.
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