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The GBAR experiment

Gravitational behaviour of antihydrogen at rest

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Abstract

Measuring the gravitational behaviour of antimatter is a crucial test of the Weak Equivalence Principle. However, the gravitational force is so weak that the experiment requires a cooling of antimatter never achieved so far. The GBAR experiment aims to overcome this challenge using the anti-ion \hbox{$\Hbarp$} H + ; a high-intensity positron source has been developed for this purpose.

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Authors and Affiliations

  1. IRFU/SPP, CEA-Saclay, 91191, Gif-sur-Yvette Cedex, France

    Yves Sacquin

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  1. Yves Sacquin
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Correspondence to Yves Sacquin.

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Sacquin, Y. The GBAR experiment. Eur. Phys. J. D 68, 31 (2014). https://doi.org/10.1140/epjd/e2013-40599-9

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  • DOI: https://doi.org/10.1140/epjd/e2013-40599-9

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