New particles, new physics: An experiment at Fermilab points to undiscovered forms of matter and energy lurking in the universe

Graziano Venanzoni, one of the leaders of the experiment and a physicist at the Italian National Institute for Nuclear Physics, underscored the importance of the experiment in a suitably grandiose manner, calling the day of the announcement, “An extraordinary day, long awaited not only by us but by the whole international physics community.”