TY - RPRT TI - The ETROC2 prototype for CMS MTD Endcap Timing Layer (ETL) upgrade AU - Gong, Datao AU - Safdari, Murtaza PY - 2023 DO - 10.2172/2204989 UR - https://www.osti.gov/biblio/2204989 ID - 2204989 ER -