TY - RPRT TI - Elliptic multipoles and the modeling of narrow-gap bend magnets in accelerators AU - Venturini, Marco AU - Mitchell, Chad PY - 2025 DO - 10.1088/1748-0221/20/07/p07019 UR - https://www.osti.gov/biblio/2583664 ID - 2583664 ER -