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Radiation Damage to Electronics in the Beam Tunnel of the Next Linear Collider


Radiation damage to electronics in the Linac tunnel of the Next Linear Collider due to ionizing and non-ionizing effects has been estimated with detailed FLUKA simulations. Results for total dose deposited in silicon and for displacement damage by neutrons, protons and charged pions are presented. It is shown that non-radiation-hard electronics could be severely damaged unless sufficiently shielded against radiation. A scenario is proposed in which the electronic components are located in niches in the beam tunnel wall which are shielded by layers of polyethylene.

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