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Description
A multi-TeV muon collider relies on a particle souce based on a megawatt-scale proton beam striking a target to produce muons and pions immersed in a 20 T solenoid, followed by a tapering region and a chicane in solenoid magnets to capture and guide the pions and then muons toward cooling sections. For the characteristic target lengths that maximise the pion yield, a fraction of the proton beam is expected to exit the target without inelastic collisions. These protons carry high power in a highly collimated phase space, requiring a dedicated extraction scheme downstream of the target. Within the International Muon Collider Collaboration, simulations have been performed with the FLUKA Monte Carlo code to evaluate potential extraction strategies in both the target region and the downstream chicane. These studies assess power deposition, dose, and atomic displacements in the target and downstream areas and analyse shielding options to protect sensitive elements. The work defines the main radiation-driven design constraints and compares the main benefits and shortcomings of each option.
| In which format do you inted to submit your paper? | LaTeX |
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