TY - RPRT TI - Measuring Loss Tangents of Substrates for Superconducting Qubits with Part-per-Billion Precision AU - Bafia, Daniel [Fermilab] PY - 2026 DO - 10.2172/3025839 UR - https://www.osti.gov/biblio/3025839 ID - 3025839 ER -