TY - RPRT TI - Gauge invariance from on-shell massive amplitudes and tree-level unitarity AU - Liu, Da (ORCID:0000000168955688) AU - Yin, Zhewei (ORCID:0000000247674876) PY - 2022 DO - 10.1103/physrevd.106.076003 UR - https://www.osti.gov/biblio/1892114 ID - 1892114 ER -