TY - RPRT TI - Nonresonant two-photon x-ray absorption in Cu AU - Kas, J. J. [Univ. of Washington, Seattle, WA (United States)] AU - Rehr, J. J. [Univ. of Washington, Seattle, WA (United States)] (ORCID:0000000244113125) AU - Stöhr, J. [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)] (ORCID:0000000158151918) AU - Vinson, J. [National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)] (ORCID:0000000276197060) PY - 2025 DO - 10.1103/t8cn-d9yy UR - https://www.osti.gov/biblio/2588146 ID - 2588146 ER -