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Antimatter

Greenland, PT; (1997) Antimatter. CONTEMP PHYS , 38 (3) 181 - 203.

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Abstract

Antihydrogen has recently been produced in CERN. I discuss the original motivation for the study of antimatter, and describe the large, but as yet unsuccessful attempt to produce cold antihydrogen confined to a trap, where it can be studied spectroscopically, and compared with ordinary hydrogen. I also describe the experiment at CERN, which produced similar to 11 atoms of antihydrogen moving at 90% of the speed of light, circumstances that make precision spectroscopy difficult.

Type: Article
Title: Antimatter
Keywords: ANTIPROTONIC HELIUM-ATOMS, RELATIVISTIC ANTIHYDROGEN ATOMS, EQUIVALENCE PRINCIPLE, POSITRON CAPTURE, PAIR PRODUCTION, EXCITED-STATES, COMBINED TRAP, LASER, COLLISIONS, ANNIHILATION
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/1307112
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