Five nuclei of antihelium‐3 have been made by Yuri Prokoshkin and his collaborators at the Serpukhov 76‐GeV synchrotron, according to a front‐page report in Pravda. The group bombarded an internal target with protons, defined the momentum of outgoing particles by magnets and measured velocity by time of flight. Out of 2×1011 negative pions detected by the counters, five particles had the right mass to be He3.

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