ELENA: the extra low energy anti-proton facility at CERN

Maury, S.; Oelert, W.; Bartmann, Wolfgang; Belochitskii, P.; Breuker, H.; Butin, F.; Carli, C.; Eriksson, Tommy; Pasinelli, Sergio; Tranquille, G.

doi:10.1007/s10751-014-1067-y

Cited by 42 publications

(28 citation statements)

References 3 publications

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“…At the same time, we would like to point out promising plans for antiproton research at the FAIR [13] and the European Organization for Nuclear Research (CERN) [14]. Experimental and theoretical studies of ionization processes in collisions of antiprotons with atoms and molecules have been recently reviewed [15].…”

Section: Introductionmentioning

confidence: 99%

Relativistic calculations of differential ionization cross sections: Application to antiproton-hydrogen collisions

et al. 2017

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A new relativistic method based on the Dirac equation for calculating fully differential cross sections for ionization in ion-atom collisions is developed. The method is applied to ionization of the atomic hydrogen by antiproton impact, as a non-relativistic benchmark. The fully differential, as well as various doubly and singly differential cross sections for ionization are presented. The role of the interaction between the projectile and the target nucleus is discussed. Several discrepancies in available theoretical predictions are resolved. The relativistic effects are studied for ionization of hydrogenlike xenon ion under the impact of carbon nuclei.

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Section: Introductionmentioning

confidence: 99%

Relativistic calculations of differential ionization cross sections: Application to antiproton-hydrogen collisions

et al. 2017

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“…The success of the antimatter programme at CERN has led the laboratory to invest in a significant upgrade to provide lower energy (100 keV rather than the AD output of 5.3 MeV)ps for experiments: the ELENA storage ring [32]. This will impact in two main ways.…”

Section: Discussion and Prospectsmentioning

confidence: 99%

Closing in on the properties of antihydrogen

Charlton

2017

Eur. Phys. J. D

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Abstract. Recent achievements leading, amongst other things, to the observation of the two-photon 1S-2S transition in antihydrogen are reviewed. We summarise some of the technical advances that were necessary to facilitate this, and how these addressed the requirements posed by the underlying physical processes. Aspects of the latter have been elucidated by simulations aimed at describing as closely as possible the experimental situations, and we describe some recent insights from that work. We will close with a look to the future.

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“…Whilst such an approach will enhance the H yield, it is however likely to increase the spread in H velocities, resulting in a less well-defined beam. In this communication we mostly treat the situation of a single p pass through the positrons and we note that, with the larger numbers of trapped p available with the upcoming ELENA ring [13], it may become possible to create a usable H beam using a tailored single pass approach.…”

Section: Introductionmentioning

confidence: 99%

Formation of antihydrogen beams from positron–antiproton interactions

Jonsell

Charlton

2019

New J. Phys.

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The formation of a beam of antihydrogen atoms when antiprotons pass through cold, dense positron plasmas is simulated for various plasma properties and antiproton injection energies. There are marked dependences of the fraction of injected antiprotons which are emitted as antihydrogen in a beam-like configuration upon the temperature of the positrons, and upon the antiproton kinetic energy. Yields as high as 13% are found at the lowest positron temperatures simulated here (5 K) and at antiproton kinetic energies below about 0.1 eV. By 1 eV the best yields are as low as 10 −3 , falling by about two orders of magnitude with an increase of the positron temperature to 50 K. Example distributions for the antihydrogen angular emission, binding energy and kinetic energy are presented and discussed. Comparison is made with experimental information, where possible.

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ELENA: the extra low energy anti-proton facility at CERN

Cited by 42 publications

References 3 publications

Relativistic calculations of differential ionization cross sections: Application to antiproton-hydrogen collisions

Relativistic calculations of differential ionization cross sections: Application to antiproton-hydrogen collisions

Closing in on the properties of antihydrogen

Formation of antihydrogen beams from positron–antiproton interactions

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