Antiproton Decelerator

Antiproton Decelerator

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The Antiproton Decelerator is a storage ring at the CERN laboratory in Geneva. It was built as a successor to the Low Energy Antiproton Ring and started operation in the year 2000. The decelerated antiprotons are ejected to one of several connected experiments. ATHENA was an antimatter research project that took place at the Antiproton Decelerator. In August 2002, it was the first experiment to produce 50,000 low-energy antihydrogen atoms, as reported in Nature. In 2005, ATHENA was disbanded and many of the former members worked on the subsequent ALPHA experiment. For antihydrogen to be created, antiprotons and positrons must first be prepared. The antiprotons are provided by the Antiproton Decelerator, while positrons are obtained from a positron accumulator. Both are then led into a recombination trap, where they bind together and form an antihydrogen atom
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Product details

  • Paperback | 84 pages
  • 152 x 229 x 5mm | 136g
  • United States
  • English
  • 6134936197
  • 9786134936194