CERN Accelerating science

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1.
Evaporative cooling of antiprotons and efforts to trap antihydrogen / Andresen, Gorm Bruun
Evaporative cooling has proven to be an invaluable technique in atomic physics, allowing for the study of effects such as Bose-Einstein condensation [...]
CERN-THESIS-2010-282 - 222 p.

Alpha - Fulltext - Full text
2.
Autoresonant Excitation of Antiproton Plasmas / ALPHA Collaboration
We demonstrate controllable excitation of the center-of-mass longitudinal motion of a thermal antiproton plasma using a swept-frequency autoresonant drive. When the plasma is cold, dense, and highly collective in nature, we observe that the entire system behaves as a single-particle nonlinear oscillator, as predicted by a recent theory. [...]
2011 - Published in : Phys. Rev. Lett. 106 (2011) 025002
3.
Towards Antihydrogen Trapping and Spectroscopy at ALPHA / Butler, Eoin (Swansea U.) ; Andresen, Gorm B. (Aarhus U.) ; Ashkezari, Mohammad D. (Simon Fraser U.) ; Baquero-Ruiz, Marcelo (UCLA) ; Bertsche, William (Swansea U.) ; Bowe, Paul D. (Aarhus U.) ; Bray, Crystal C. (UCLA) ; Cesar, Claudio L. (Rio de Janeiro Federal U.) ; Chapman, Steven (UCLA) ; Charlton, Michael (Swansea U.) et al.
Spectroscopy of antihydrogen has the potential to yield high-precision tests of the CPT theorem and shed light on the matter-antimatter imbalance in the Universe. The ALPHA antihydrogen trap at CERN's Antiproton Decelerator aims to prepare a sample of antihydrogen atoms confined in an octupole-based Ioffe trap and to measure the frequency of several atomic transitions. [...]
arXiv:1105.0037.- 2011 - 10 p. - Published in : Hyperfine Interact. 199 (2011) 39-48 Fulltext: PDF; External link: Preprint
In : 5th International Conference on Trapped Charged Particles and Fundamental Physics, Tunturihotelli in Saariselkä, Finland, 12 - 16 Apr 2010, pp.39-48
4.
Search For Trapped Antihydrogen / ALPHA Collaboration
We present the results of an experiment to search for trapped antihydrogen atoms with the ALPHA antihydrogen trap at the CERN Antiproton Decelerator. Sensitive diagnostics of the temperatures, sizes, and densities of the trapped antiproton and positron plasmas have been developed, which in turn permitted development of techniques to precisely and reproducibly control the initial experimental parameters. [...]
arXiv:1012.4110.- 2011 - 12 p. - Published in : Phys. Lett. B 695 (2011) 95-104 Fulltext: PDF; External link: Preprint

See also: similar author names
2 Andresen, G
13 Andresen, G B
1 Andresen, G.
1 Andresen, G.B
9 Andresen, G.B.
7 Andresen, Gorm B
2 Andresen, Gorm Bruun
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