Antimatter hydrogen passes symmetry test
No sign of CPT violation seen in measure of atomic energy levels
![ALPHA-2 experiment](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/12/121916_ec_antihydrogen_main.jpg?fit=860%2C460&ssl=1)
ANTIMATTER MATCH Scientists with the ALPHA-2 experiment, shown above, found that antimatter and matter versions of hydrogen behave alike. The frequency of light necessary to boost antihydrogen atoms into a higher energy state is the same as that for normal hydrogen atoms.
CERN