Hyperfine Interactions

, Volume 109, Issue 1–4, pp 33–41 | Cite as

Production of low-energy antiprotons

  • D. Möhl


The production, collection and deceleration of antiprotons is reviewed with the aim of establishing guidelines for the design of a simple yet efficient source of stopped antiprotons. A high-energy (20–100 GeV) high-intensity (∼1013 protons/pulse) proton accelerator is needed to produce antiprotons in copious numbers. A “passive” conversion-target consisting of a thin iridium rod embedded in graphite, and a magnetic-horn type lens to collect the antiproton flux from the target represent a good compromise between yield and reliability. To transport the flux to low energy a large-acceptance cooling and deceleration ring working up to an energy equal to one-eighth to one-tenth of the primary proton energy is required. Stochastic cooling (at high energy) and electron cooling (at lower energy) are indispensable for providing low-energy beams of useful density.


Antihydrogen Proton Accelerator Momentum Spread Antiproton Beam Antiproton Decelerator 
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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • D. Möhl
    • 1
  1. 1.PS Division, CERNGeneva 23Switzerland

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