Stacking of cold antiprotons

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

doi:10.1016/s0370-2693(02)02850-2

Cited by 59 publications

(43 citation statements)

References 11 publications

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“…The essential steps leading to the production of H and the measurement of g with AEGIS are the following: The feasibility of the first two points has been conclusively demonstrated by the ATHENA and ATRAP collaborations (see, in particular, [17,18]). In the following, we will discuss the remaining aspects of the proposed technique in more detail.…”

Section: Introductionmentioning

confidence: 99%

Proposed antimatter gravity measurement with an antihydrogen beam

Kellerbauer

Amoretti²,

Белов³

et al. 2008

Nuclear Instruments and Methods in Physics Research Section B:

248

175

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The principle of the equivalence of gravitational and inertial mass is one of the cornerstones of general relativity. Considerable efforts have been made and are still being made to verify its validity. A quantum-mechanical formulation of gravity allows for non-Newtonian contributions to the force which might lead to a difference in the gravitational force on matter and antimatter. While it is widely expected that the gravitational interaction of matter and of antimatter should be identical, this assertion has never been tested experimentally. With the production of large amounts of cold antihydrogen at the CERN Antiproton Decelerator, such a test with neutral antimatter atoms has now become feasible. For this purpose, we have proposed to set up the AEGIS experiment at 0168-583X/$ -see front matter Ó 2007 Published by Elsevier B.V.

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Section: Introductionmentioning

confidence: 99%

Proposed antimatter gravity measurement with an antihydrogen beam

Kellerbauer

Amoretti²,

Белов³

et al. 2008

Nuclear Instruments and Methods in Physics Research Section B:

248

175

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“…The N p ¼ 2 Â 10 5 to 3 Â 10 6 p used for the trials reported here are accumulated from 1 to 21 injection pulses of p from CERN's unique Antiproton Decelerator. The trapping [6], electron cooling [4], and stacking [10] methods that have accumulated up to 1:1 Â 10 7 p at ATRAP are those employed for all H experiments [11]. The p slow within a thin degrader window, are captured in a trap formed by biasing electrodes that surround the p, and cool via collisions with a large number of surrounding e À .…”

mentioning

confidence: 99%

Adiabatic Cooling of Antiprotons

et al. 2011

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“…A p stacking technique [16] allows the accumulation of as many p from successive AD pulses as time permits. Typically 150 000 antiprotons end up suspended within electrode T2 [ Fig.…”

mentioning

confidence: 99%

Background-Free Observation of Cold Antihydrogen with Field-Ionization Analysis of Its States

et al. 2002

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A background-free observation of cold antihydrogen atoms is made using field ionization followed by antiproton storage, a detection method that provides the first experimental information about antihydrogen atomic states. More antihydrogen atoms can be field ionized in an hour than all the antimatter atoms that have been previously reported, and the production rate per incident high energy antiproton is higher than ever observed. The high rate and the high Rydberg states suggest that the antihydrogen is formed via three-body recombination.

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Stacking of cold antiprotons

Cited by 59 publications

References 11 publications

Proposed antimatter gravity measurement with an antihydrogen beam

Proposed antimatter gravity measurement with an antihydrogen beam

Adiabatic Cooling of Antiprotons

Background-Free Observation of Cold Antihydrogen with Field-Ionization Analysis of Its States

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