Abstract
Glass-coated beryllium and carbon-fiber light-weight spherical mirrors, with radii of curvature of ∼ 2700 mm , have been successfully developed and tested as part of the LHCb RICH experimental programme. The low mass mirror is necessary to minimize the amount of material within the LHCb spectrometer acceptance, with a requirement of less than 2% of a radiation length. Both technologies are suitable for light-weight mirror applications. The R&D and characterization of the mirrors are reported.
Highlights
Contents lists available at ScienceDirectNuclear Instruments and Methods in Physics Research A journal homepage: www.elsevier.com/locate/nima
O Light-weight mirrors are required in RICH detectors whenever the material budget needs to be minimized to reduce particle
Two promising light-weight P technologies have been developed for the spherical mirrors of the
Summary
Nuclear Instruments and Methods in Physics Research A journal homepage: www.elsevier.com/locate/nima.
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