Antiprotons

2005/03/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

• Fisika

CERN's decelerating antiproton has trapped a high number of antiprotons, 50 times more than normal. In addition, these antiproton rays have been obtained using lower than normal energies.

These antiprotons have managed to reduce their energy from 3.5 GeV (gigaelectronvolt, 109 eV) to 5.3 MeV (megaelectronvolt, 106 eV), but they are still too energetic for many experiments — they have not managed to descend to the magnitude of kiloelectronvolts. At the moment antihydrogen cannot be produced by combining antiprotons with positrons.