TY - RPRT TI - Hyperstealth dark matter and long-lived particles AU - Fleming, George T. [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000249877167) AU - Kribs, Graham D. [Univ. of Oregon, Eugene, OR (United States)] (ORCID:0000000348124419) AU - Neil, Ethan T. [Univ. of Colorado, Boulder, CO (United States)] (ORCID:0000000249153951) AU - Schaich, David [Univ. of Liverpool (United Kingdom)] (ORCID:0000000298262951) AU - Vranas, Pavlos M. [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] (ORCID:0000000284976283) PY - 2025 DO - 10.1103/9nv9-rqq7 UR - https://www.osti.gov/biblio/3010500 ID - 3010500 ER -