Energy calibration and stability of the 3 MV accelerator at CIRCE for applications in Nuclear Astrophysics - Buompane, R.; Gialanella, L; Terrasi, F; Ciani, G. F; Di Leva, A.; Duarte, J. G; Gasques, L R; Marzaioli, F; Morales-Gallegos, L; Porzio, G.; Santonastaso, C.; Rapaille, C; et al. (Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2025)