Read article 'HAWC clarifies cosmic positron excess'
HAWC clarifies cosmic positron excess
New measurements by the High-Altitude Water Cherenkov (HAWC) experiment hints at a more exotic origin of the positron excess.
Read article 'HAWC clarifies cosmic positron excess'
Read article 'Hyperfine structure: from hydrogen to antihydrogen'
Hyperfine structure: from hydrogen to antihydrogen
The ASACUSA experiment at CERN’s Antiproton Decelerator published the most precise in-beam measurement of the hydrogen ground-state hyperfine splitting.
Read article 'GBAR falls into place'
GBAR falls into place
Located in CERN's Antiproton Decelerator hall, GBAR is specifically designed to measure the effect of gravity on antihydrogen atoms.
Read article 'BASE boosts precision of antiproton magnetic moment'
BASE boosts precision of antiproton magnetic moment
The measurement shows that the magnetic g-factors are identical within 0.8 parts per million.
Read article 'Antihydrogen atoms show their colour'
Antihydrogen atoms show their colour
The ALPHA collaboration has reported the first ever measurement of the optical spectrum of an antimatter atom.
Read article 'Does antimatter fall up?'
Does antimatter fall up?
Measuring the effect of gravity on antimatter is a long-standing story. Now we are in a position to test Einstein’s equivalence principle with antimatter by directly measuring the free fall of antia...
Read article 'CERN soups up its antiproton source'
CERN soups up its antiproton source
The Extra Low ENergy Antiproton ring (ELENA) is now in the commissioning phase.
Read article 'New ALPHA measurement of the charge of antihydrogen'
New ALPHA measurement of the charge of antihydrogen
Only a few direct measurements have been performed so far to test this conjecture.
Read article 'BASE compares charge-to-mass ratios of proton and antiproton to high precision'
BASE compares charge-to-mass ratios of proton and antiproton to high precision
This high-precision measurement was achieved by comparing the cyclotron frequencies of antiprotons and negatively charged hydrogen ions in a Penning trap.
Read article 'In the steps of the antiproton'
In the steps of the antiproton
Claude Amsler looks at some of the studies over the years at CERN.
