Driven Production of Cold Antihydrogen and the First Measured Distribution of Antihydrogen States

G. Gabrielse; N. S. Bowden; P. Oxley; A. Speck; C. H. Storry; J. N. Tan; M. Wessels; D. Grzonka; W. Oelert; G. Schepers; T. Sefzick; J. Walz; H. Pittner; T. W. Hänsch; E. A. Hessels

doi:10.1103/PhysRevLett.89.233401

Driven Production of Cold Antihydrogen and the First Measured Distribution of Antihydrogen States

G. Gabrielse^*, N. S. Bowden, P. Oxley, A. Speck, C. H. Storry, J. N. Tan, M. Wessels, D. Grzonka, W. Oelert, G. Schepers, T. Sefzick, J. Walz, H. Pittner, T. W. Hänsch, E. A. Hessels

^*Corresponding author for this work

Physics and Astronomy

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

217 Scopus citations

Abstract

Cold antihydrogen is produced when antiprotons are repeatedly driven into collisions with cold positrons within a nested Penning trap. Efficient antihydrogen production takes place during many cycles of positron cooling of antiprotons. A first measurement of a distribution of antihydrogen states is made using a preionizing electric field between separated production and detection regions. Surviving antihydrogen is stripped in an ionization well that captures and stores the freed antiproton for background-free detection.

Original language	English (US)
Journal	Physical review letters
Volume	89
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.89.233401
State	Published - 2002

Funding

We are grateful to CERN, its PS Division, and the AD team for delivering the 5.3 MeV antiprotons. This work was supported by the NSF, AFOSR, the ONR of the U.S., the BMBF, MPG, and FZ-J of Germany, and the NSERC, CRC, and PREA of Canada.

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.89.233401

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Gabrielse, G., Bowden, N. S., Oxley, P., Speck, A., Storry, C. H., Tan, J. N., Wessels, M., Grzonka, D., Oelert, W., Schepers, G., Sefzick, T., Walz, J., Pittner, H., Hänsch, T. W., & Hessels, E. A. (2002). Driven Production of Cold Antihydrogen and the First Measured Distribution of Antihydrogen States. Physical review letters, 89(23). https://doi.org/10.1103/PhysRevLett.89.233401

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abstract = "Cold antihydrogen is produced when antiprotons are repeatedly driven into collisions with cold positrons within a nested Penning trap. Efficient antihydrogen production takes place during many cycles of positron cooling of antiprotons. A first measurement of a distribution of antihydrogen states is made using a preionizing electric field between separated production and detection regions. Surviving antihydrogen is stripped in an ionization well that captures and stores the freed antiproton for background-free detection.",

author = "G. Gabrielse and Bowden, {N. S.} and P. Oxley and A. Speck and Storry, {C. H.} and Tan, {J. N.} and M. Wessels and D. Grzonka and W. Oelert and G. Schepers and T. Sefzick and J. Walz and H. Pittner and H{\"a}nsch, {T. W.} and Hessels, {E. A.}",

note = "Funding Information: We are grateful to CERN, its PS Division, and the AD team for delivering the 5.3 MeV antiprotons. This work was supported by the NSF, AFOSR, the ONR of the U.S., the BMBF, MPG, and FZ-J of Germany, and the NSERC, CRC, and PREA of Canada.",

year = "2002",

doi = "10.1103/PhysRevLett.89.233401",

language = "English (US)",

volume = "89",

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T1 - Driven Production of Cold Antihydrogen and the First Measured Distribution of Antihydrogen States

AU - Gabrielse, G.

AU - Bowden, N. S.

AU - Oxley, P.

AU - Speck, A.

AU - Storry, C. H.

AU - Tan, J. N.

AU - Wessels, M.

AU - Grzonka, D.

AU - Oelert, W.

AU - Schepers, G.

AU - Sefzick, T.

AU - Walz, J.

AU - Pittner, H.

AU - Hänsch, T. W.

AU - Hessels, E. A.

N1 - Funding Information: We are grateful to CERN, its PS Division, and the AD team for delivering the 5.3 MeV antiprotons. This work was supported by the NSF, AFOSR, the ONR of the U.S., the BMBF, MPG, and FZ-J of Germany, and the NSERC, CRC, and PREA of Canada.

PY - 2002

Y1 - 2002

N2 - Cold antihydrogen is produced when antiprotons are repeatedly driven into collisions with cold positrons within a nested Penning trap. Efficient antihydrogen production takes place during many cycles of positron cooling of antiprotons. A first measurement of a distribution of antihydrogen states is made using a preionizing electric field between separated production and detection regions. Surviving antihydrogen is stripped in an ionization well that captures and stores the freed antiproton for background-free detection.

AB - Cold antihydrogen is produced when antiprotons are repeatedly driven into collisions with cold positrons within a nested Penning trap. Efficient antihydrogen production takes place during many cycles of positron cooling of antiprotons. A first measurement of a distribution of antihydrogen states is made using a preionizing electric field between separated production and detection regions. Surviving antihydrogen is stripped in an ionization well that captures and stores the freed antiproton for background-free detection.

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Driven Production of Cold Antihydrogen and the First Measured Distribution of Antihydrogen States

Abstract

Funding

ASJC Scopus subject areas

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