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High power photon collimators for the ILC.

Research output: Contribution to conference Conference paper

Publication date05/2009
<mark>Original language</mark>English
Event23rd Particle Accelerator Conference - Vancouver, Canada


Conference23rd Particle Accelerator Conference
CityVancouver, Canada


An undulator-based source has been chosen as a part of the baseline configuration for the International Linear Collider (ILC) to generate an intense beam of polarised positrons. A photon collimator placed between the undulator and the target can be used to adjust the size, intensity and polarisation of the photon beam impacting the target, and can also protect the target station and limit the activation of downstream components. In this paper, we calculate quantities such as the energy deposition, temperature change, activation and dose rate for different designs of the photon collimator, and consider the advantages and disadvantages for each case.