Luminosity calibration by means of van-der-Meer scan for Q-Gaussian beams Mohamed A. Abed, Anton A. Babaev and Leonid G. Sukhikh Eur. Phys. J. C, 84 2 (2024) 122 Published online: 06 February 2024 DOI: 10.1140/epjc/s10052-024-12469-3