Antihydrogen physics

Charlton, M.; Horvath, D. G.; Eades, J.; Hughes, Richard; Zimmermann, C.

doi:10.1016/0370-1573(94)90081-7

Cited by 152 publications

(89 citation statements)

References 151 publications

(147 reference statements)

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“…See Amoretti et al [190]. This followed on from several years preparatory work by the ATHENA project (ApparaTus for High precision Experiments on Neutral Antimatter), Charlton et al [191] and Holzscheiter et al [192,193], and the competing ATRAP (Antihydrogen TRAP) project of Gabrielse et al [194]. The most recent results obtained by ATRAP are described by Gabrielse et al [195].…”

Section: Antihydrogen Atomsmentioning

confidence: 99%

“…Also their masses and gyromagnetic ratios should be equal and their lifetimes should be the same. In addition, this symmetry predicts that H and H should have identical spectra [191,192,193,194]. Experimentalists plan to test, as far as possible, whether H and H do have these properties.…”

Section: Antihydrogen Atomsmentioning

confidence: 99%

“…Any difference between the two sets of values would indicate that the two atoms experienced a different gravitational red shift, which can be shown to be a violation of the equivalence principle [191,196]. However, it must be said that the possibility of such a violation is much more remote when gravitation is viewed from the standpoint of general relativity as resulting from the curvature of spacetime, rather than as a force obeying an attractive inverse square law, as in the Newtonian theory.…”

Section: Antihydrogen Atomsmentioning

confidence: 99%

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Stability of few-charge systems in quantum mechanics

2005

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We consider non-relativistic systems in quantum mechanics interacting through the Coulomb potential, and discuss the existence of bound states which are stable against spontaneous dissociation into smaller atoms or ions. We review the studies that have been made of specific mass configurations and also the properties of the domain of stability in the space of masses or inverse masses. These rigorous results are supplemented by numerical investigations using accurate variational methods. A section is devoted to systems of three arbitrary charges and another to molecules in a world with two space-dimensions.

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Section: Antihydrogen Atomsmentioning

confidence: 99%

Section: Antihydrogen Atomsmentioning

confidence: 99%

Section: Antihydrogen Atomsmentioning

confidence: 99%

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Stability of few-charge systems in quantum mechanics

2005

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“…nB-t1c 2 (2) For example, for a I tesla magnetic field, nB -_ 5 x 1012 cm-3 . Several schemes have been proposed for exceeding the Brillouin limit using non-uniform magnetic fields [26].…”

Section: Brillouin Density Limitmentioning

confidence: 99%

“…Positrons are now used routinely for a wide range of applications, including the study of atomic and molecular physics [I], antihydrogen formation [2], plasma physics [3]. and the characterization of materials and surfaces [4].…”

Section: Introductionmentioning

confidence: 99%

Practical limits on positron accumulation and the creation of electron-positron plasmas

Greaves¹,

Surko²

2002

AIP Conference Proceedings

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Abstract. The tasks of accumulating large numbers of positrons, creating high-density positron plastnas, and confining electron-positron plasmas present a number of technical challenges. Some practical considerations and limitations of common confinement schemes are discussed. A novel design for a multi-ccll Penning-Malmberg trap is proposed for the accumulation of large numbers of positrons (e.g., > 1012 and T -05 cV). A method is dcscribed to create a Ilow-density, electronpositron plasma (e.g., it "-107 cmt 3) for basic plasma physics studies that uses a cotnhinatiom of radio-frequency and magnetic confincment. The possibilities for confinement of a hot (cc.. T > 10 keV) electron-positron plasma in a magnetic mirror arc also discussed.

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Corrections to the Born-Oppenheimer approximation as applied to a system made up of hydrogen and antihydrogen

Armour

Zeman

1999

Int. J. Quant. Chem.

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ABSTRACT:Interest in antihydrogen AH is increasing as it seems likely that it will soon be possible to observe it in its rest frame. The simplest atom with which antihydrogen atoms can interact is atomic hydrogen. We recently obtained an upper bound of 0.8 a for 0 the critical value of the distance between the proton and the antiproton below which the electron and positron cease to be bound to the nuclei. In this calculation, the nuclei were assumed to be fixed. In this article, we examine the effect on the energy of the electron and the positron of taking into account the motion of the nuclei. The corrections are found to be small.

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Antihydrogen physics

Cited by 152 publications

References 151 publications

Stability of few-charge systems in quantum mechanics

Stability of few-charge systems in quantum mechanics

Practical limits on positron accumulation and the creation of electron-positron plasmas

Corrections to the Born-Oppenheimer approximation as applied to a system made up of hydrogen and antihydrogen

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