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  1. No Access

    Article

    Antihydrogen from antiproton-positronium collisions

    We survey the progress made towards the production of antihydrogen by antiproton-positronium collisions as of June 1995. The tasks remaining before such an experiment can be attempted are outlined. Some commen...

    Michael Charlton in Hyperfine Interactions (1996)

  2. No Access

    Article

    Possible antihydrogen formation in antiproton-positronium reactions: Where we've been and where we're going

    We present a discussion of the development of a programme whose aim is to synthesise antihydrogen from antiproton-positronium reactions for its eventual use in precise spectroscopic comparisons with hydrogen. ...

    Michael Charlton in Hyperfine Interactions (1997)

  3. No Access

    Chapter

    Perspectives on Physics with Low Energy Positrons: Fundamentals, Beams and Scattering

    This article deals with several unrelated aspects of physics with low energy positron beams including beam manipulation, fundamental studies of positronium and other entities containing positrons and some issu...

    Michael Charlton in New Directions in Antimatter Chemistry and Physics (2001)

  4. No Access

    Article

    Progress towards microwave spectroscopy of trapped antihydrogen

    Precision comparisons of hyperfine intervals in atomic hydrogen and antihydrogen are expected to yield experimental tests of the CPT theorem. The CERN-based ALPHA collaboration has initiated a program of study...

    Mohammad D. Ashkezari, Gorm B. Andresen, Marcelo Baquero-Ruiz… in Hyperfine Interactions (2012)

  5. No Access

    Article

    Antihydrogen detection in ALPHA

    The ALPHA project is an international collaboration, based at CERN, with the experimental goal of performing precision spectroscopic measurements on antihydrogen. As part of this endeavor, the ALPHA experiment...

    Richard Hydomako, Gorm Bruun Andresen… in Hyperfine Interactions (2012)

  6. No Access

    Article

    Compression of positron clouds using rotating wall electric fields

    An asymmetric dipolar rotating electric field can be used to compress a trapped cloud of positrons when applied with a frequency close that of their axial bounce, and in the presence of a low pressure molecula...

    Dirk Peter van der Werf, Christopher Aled Isaac… in Hyperfine Interactions (2012)

  7. Article

    Open Access

    Closing in on the properties of antihydrogen

    Recent achievements leading, amongst other things, to the observation of the two-photon 1Sā€“2S transition in antihydrogen are reviewed. We summarise some of the technical advances that were necessary to facili...

    Michael Charlton in The European Physical Journal D (2017)

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