Straightening of Superconducting HERA Dipoles for the\n Any-Light-Particle-Search Experiment ALPS II

Le résumé fourni par la source

At DESY the ALPS II experiment is being installed in the HERA tunnel to\nsearch for axion like particles (ALPs). A laser beam will be injected into a\nstring of superconducting HERA dipole magnets, to produce ALPs. After passing a\nlight tight wall, the ALPs can reconvert into photons in a second string of\nHERA dipoles.The sensitivity of the experiment will be increased by two\nmode-matched optical cavities before and behind the wall. The curvature of the\nmagnets limits the performance of the optical resonators, Therefore the\naperture for the optical resonators inside the HERA dipoles was increased by\nstraightening the curved magnet yoke. The procedure of straightening the HERA\ndipoles is described in this report.\n

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