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  • Baker, C. J. (author)

Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • 2021-10-22
  • Springer Science and Business Media LLC,2021
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-198769
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-198769URI
  • https://doi.org/10.1038/s41467-021-26086-1DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • The positron, the antiparticle of the electron, predicted by Dirac in 1931 and discovered by Anderson in 1933, plays a key role in many scientific and everyday endeavours. Notably, the positron is a constituent of antihydrogen, the only long-lived neutral antimatter bound state that can currently be synthesized at low energy, presenting a prominent system for testing fundamental symmetries with high precision. Here, we report on the use of laser cooled Be+ ions to sympathetically cool a large and dense plasma of positrons to directly measured temperatures below 7 K in a Penning trap for antihydrogen synthesis. This will likely herald a significant increase in the amount of antihydrogen available for experimentation, thus facilitating further improvements in studies of fundamental symmetries. Positrons are key to the production of cold antihydrogen. Here the authors report the sympathetic cooling of positrons by interacting them with laser-cooled Be+ ions resulting in a three-fold reduction of the temperature of positrons for antihydrogen synthesis.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bertsche, W. (author)
  • Capra, A. (author)
  • Cesar, C. L. (author)
  • Charlton, M. (author)
  • Cridland Mathad, A. (author)
  • Eriksson, S. (author)
  • Evans, A. (author)
  • Evetts, N. (author)
  • Fabbri, S. (author)
  • Fajans, J. (author)
  • Friesen, T. (author)
  • Fujiwara, M. C. (author)
  • Grandemange, P. (author)
  • Granum, P. (author)
  • Hangst, J. S. (author)
  • Hayden, M. E. (author)
  • Hodgkinson, D. (author)
  • Isaac, C. A. (author)
  • Johnson, M. A. (author)
  • Jones, J. M. (author)
  • Jones, S. A. (author)
  • Jonsell, SvanteStockholms universitet,Fysikum(Swepub:su)svjon (author)
  • Kurchaninov, L. (author)
  • Madsen, N. (author)
  • Maxwell, D. (author)
  • McKenna, J. T. K. (author)
  • Menary, S. (author)
  • Momose, T. (author)
  • Mullan, P. (author)
  • Olchanski, K. (author)
  • Olin, A. (author)
  • Peszka, J. (author)
  • Powell, A. (author)
  • Pusa, P. (author)
  • Rasmussen, C. Ø. (author)
  • Robicheaux, F. (author)
  • Sacramento, R. L. (author)
  • Sameed, M. (author)
  • Sarid, E. (author)
  • Silveira, D. M. (author)
  • Stutter, G. (author)
  • So, C. (author)
  • Tharp, T. D. (author)
  • Thompson, R. (author)
  • van der Werf, D. P. (author)
  • Wurtele, J. S. (author)
  • Stockholms universitetFysikum (creator_code:org_t)

Related titles

  • In:Nature Communications: Springer Science and Business Media LLC12:12041-1723

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