ILC250 Cost Update - 2024Gerald Dugan, Andrew J. Lankford, Benno List, Shinichiro Michizono, Tatsuya Nakada, Marc Ross, Hiroshi R. Sakai, Steinar Stapnes, Nobuhiro Terunuma, Nicholas Walker, Akira Yamamotohttps://arxiv.org/abs/2506.00353
ILC250 Cost Update - 2024The International Linear Collider was conceived as a global project for an energy-frontier electron-positron collider.It employs superconducting RF and nano-beam technologies with a center-of-mass energy of 500 GeV. Its cost was estimated in 2013, based on the Technical Design Report published in 2013.Japan's high-energy community proposed to host the ILC in Japan as a Higgs boson factory at 250 GeV in its first phase, and a revised cost estimate was conducted in 2017 to host it in Japan. Howev…