Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production

C. J. Baker; W. Bertsche; A. Capra; C. L. Cesar; M. Charlton; A. Cridland Mathad; S. Eriksson; A. Evans; N. Evetts; S. Fabbri; J. Fajans; T. Friesen; M. C. Fujiwara; P. Grandemange; P. Granum; J. S. Hangst; M. E. Hayden; D. Hodgkinson; C. A. Isaac; M. A. Johnson; J. M. Jones; S. A. Jones; S. Jonsell; L. Kurchaninov; N. Madsen; D. Maxwell; J. T.K. McKenna; S. Menary; T. Momose; P. Mullan; K. Olchanski; A. Olin; J. Peszka; A. Powell; P. Pusa; C. Rasmussen; F. Robicheaux; R. L. Sacramento; M. Sameed; E. Sarid; D. M. Silveira; G. Stutter; C. So; T. D. Tharp; R. I. Thompson; D. P. van der Werf; J. S. Wurtele

doi:10.1038/s41467-021-26086-1

Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production

C. J. Baker, W. Bertsche, A. Capra, C. L. Cesar, M. Charlton, A. Cridland Mathad, S. Eriksson, A. Evans, N. Evetts, S. Fabbri, J. Fajans, T. Friesen, M. C. Fujiwara, P. Grandemange, P. Granum, J. S. Hangst, M. E. Hayden, D. Hodgkinson, C. A. Isaac, M. A. JohnsonJ. M. Jones, S. A. Jones, S. Jonsell, L. Kurchaninov, N. Madsen, D. Maxwell, J. T.K. McKenna, S. Menary, T. Momose, P. Mullan, K. Olchanski, A. Olin, J. Peszka, A. Powell, P. Pusa, C. Rasmussen, F. Robicheaux, R. L. Sacramento, M. Sameed, E. Sarid, D. M. Silveira, G. Stutter, C. So, T. D. Tharp, R. I. Thompson, D. P. van der Werf, J. S. Wurtele

Department of Physics

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

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.

Original language	English
Article number	6139
Journal	Nature Communications
Volume	12
Issue number	1
DOIs	https://doi.org/10.1038/s41467-021-26086-1
State	Published - 1 Dec 2021

ASJC Scopus subject areas

General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy

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Baker, C. J., Bertsche, W., Capra, A., Cesar, C. L., Charlton, M., Mathad, A. C., Eriksson, S., Evans, A., Evetts, N., Fabbri, S., Fajans, J., Friesen, T., Fujiwara, M. C., Grandemange, P., Granum, P., Hangst, J. S., Hayden, M. E., Hodgkinson, D., Isaac, C. A., ... Wurtele, J. S. (2021). Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production. Nature Communications, 12(1), Article 6139. https://doi.org/10.1038/s41467-021-26086-1

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title = "Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production",

abstract = "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.",

author = "Baker, {C. J.} and W. Bertsche and A. Capra and Cesar, {C. L.} and M. Charlton and Mathad, {A. Cridland} and S. Eriksson and A. Evans and N. Evetts and S. Fabbri and J. Fajans and T. Friesen and Fujiwara, {M. C.} and P. Grandemange and P. Granum and Hangst, {J. S.} and Hayden, {M. E.} and D. Hodgkinson and Isaac, {C. A.} and Johnson, {M. A.} and Jones, {J. M.} and Jones, {S. A.} and S. Jonsell and L. Kurchaninov and N. Madsen and D. Maxwell and McKenna, {J. T.K.} and S. Menary and T. Momose and P. Mullan and K. Olchanski and A. Olin and J. Peszka and A. Powell and P. Pusa and C. Rasmussen and F. Robicheaux and Sacramento, {R. L.} and M. Sameed and E. Sarid and Silveira, {D. M.} and G. Stutter and C. So and Tharp, {T. D.} and Thompson, {R. I.} and {van der Werf}, {D. P.} and Wurtele, {J. S.}",

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Baker, CJ, Bertsche, W, Capra, A, Cesar, CL, Charlton, M, Mathad, AC, Eriksson, S, Evans, A, Evetts, N, Fabbri, S, Fajans, J, Friesen, T, Fujiwara, MC, Grandemange, P, Granum, P, Hangst, JS, Hayden, ME, Hodgkinson, D, Isaac, CA, Johnson, MA, Jones, JM, Jones, SA, Jonsell, S, Kurchaninov, L, Madsen, N, Maxwell, D, McKenna, JTK, Menary, S, Momose, T, Mullan, P, Olchanski, K, Olin, A, Peszka, J, Powell, A, Pusa, P, Rasmussen, C, Robicheaux, F, Sacramento, RL, Sameed, M, Sarid, E, Silveira, DM, Stutter, G, So, C, Tharp, TD, Thompson, RI, van der Werf, DP & Wurtele, JS 2021, 'Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production', Nature Communications, vol. 12, no. 1, 6139. https://doi.org/10.1038/s41467-021-26086-1

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AU - Baker, C. J.

AU - Bertsche, W.

AU - Capra, A.

AU - Cesar, C. L.

AU - Charlton, M.

AU - Mathad, A. Cridland

AU - Eriksson, S.

AU - Evans, A.

AU - Evetts, N.

AU - Fabbri, S.

AU - Fajans, J.

AU - Friesen, T.

AU - Fujiwara, M. C.

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AU - Granum, P.

AU - Hangst, J. S.

AU - Hayden, M. E.

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AU - Isaac, C. A.

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AU - Jones, J. M.

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AU - Jonsell, S.

AU - Kurchaninov, L.

AU - Madsen, N.

AU - Maxwell, D.

AU - McKenna, J. T.K.

AU - Menary, S.

AU - Momose, T.

AU - Mullan, P.

AU - Olchanski, K.

AU - Olin, A.

AU - Peszka, J.

AU - Powell, A.

AU - Pusa, P.

AU - Rasmussen, C.

AU - Robicheaux, F.

AU - Sacramento, R. L.

AU - Sameed, M.

AU - Sarid, E.

AU - Silveira, D. M.

AU - Stutter, G.

AU - So, C.

AU - Tharp, T. D.

AU - Thompson, R. I.

AU - van der Werf, D. P.

AU - Wurtele, J. S.

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VL - 12

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Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production

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