Learning new physics efficiently with nonparametric methods Marco Letizia, Gianvito Losapio, Marco Rando, Gaia Grosso, Andrea Wulzer, Maurizio Pierini, Marco Zanetti and Lorenzo Rosasco Eur. Phys. J. C, 82 10 (2022) 879 Published online: 05 October 2022 DOI: 10.1140/epjc/s10052-022-10830-y