Stacking of cold antiprotons

Gabrielse, G.; Bowden, N. S.; Oxley, P.; Speck, A.; Storry, C. H.; Tan, J. N.; Wessels, M.; Grzonka, D.; Oelert, W.; Schepers, G.; Sefzick, T.; Walz, J.; Pittner, H.; Hänsch, T. W.; Hessels, E. A.

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Stacking of cold antiprotons

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Pittner, H.
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

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Hänsch, T. W.
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

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Citation

Gabrielse, G., Bowden, N. S., Oxley, P., Speck, A., Storry, C. H., Tan, J. N., et al. (2002). Stacking of cold antiprotons. Physics Letters B, 548(3-4), 140-145. Retrieved from http://www.sciencedirect.com/science/article/B6TVN-4724SDT-3/1/923ed838bd7c5bca89cb5255df4a0f0b.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-C1A3-3

Abstract

The stacking of cold antiprotons is currently the only way to accumulate the large numbers of the cold antiprotons that are needed for low energy experiments. Both the largest possible number and the lowest possible temperature are desired, especially for the production and study of cold antihydrogen. The antiprotons accumulated in our particle trap have an energy 10¹⁰ times lower than the energy of those delivered by CERN's Antiprotons Decelerator (AD). The number accumulated (more than 0.4 million in this demonstration) is linear in the number of accepted high energy antiproton pulses (32 in this demonstration). Accumulation efficiencies and losses are measured and discussed. (C) 2002 Elsevier Science B.V. All rights reserved.