Preliminary design of CERN Future Circular Collider tunnel: first evaluation of the radiation environment in critical areas for electronicsAngelo Infantino, Rubén García Alía, Maria Ilaria Besana, Markus Brugger and Francesco CeruttiEPJ Web Conf., 153 (2017) 03004DOI: https://doi.org/10.1051/epjconf/201715303004