In November 2010, the ALPHA collaboration announced that they had trapped 38 antihydrogen atoms for a sixth of a second, the first confinement of neutral antimatter. In June 2011, they trapped 309 antihydrogen atoms, up to 3 simultaneously, for up to 1,000 seconds. They then studied its hyperfine structure, gravity effects, and charge. ALPHA will continue measurements along with experiments ATRAP, AEgIS and GBAR.
In November 2010, the ALPHA collaboration announced that they had trapped 38 antihydrogen atoms for a sixth of a second, the first confinement of neutral antimatter. In June 2011, they trapped 309 antihyd.rogen atoms, up to 3 simultaneously, for up to 1,000 seconds. They then studied its hyperfine structure, gravity effects, and charge ALPHA will continue measurements along with experiments ATRAP, AEgIS and GBAR.