TY - RPRT TI - Cosmological Constraints on Secluded Dark Radiation AU - Chang, Jae Hyeok [Fermilab; Illinois U., Chicago] (ORCID:0000000327693858) AU - Du, Peizhi [USTC, Hefei; Hefei, NSRL] (ORCID:0000000168014829) AU - Ghosh, Subhajit [U. Texas, Austin (main)] (ORCID:0000000269734673) AU - Kumar, Soubhik [Tufts U.; New York U., CCPP] (ORCID:0000000169243375) PY - 2025 UR - https://www.osti.gov/biblio/2997656 ID - 2997656 ER -