Prompt gamma-ray spectroscopy in conjunction with the Monte Carlo Library Least Squares approach: Applications to range verification in proton therapyKyrre Skjerdal, Toni Kögler, William Lionheart, Kristian Smeland Ytre-Hauge and Ilker MericEPJ Web Conf., 288 (2023) 09003DOI: https://doi.org/10.1051/epjconf/202328809003