Resonant quantum transitions in trapped antihydrogen atoms

C. Amole, M. D. Ashkezari, M. Baquero-Ruiz, W. Bertsche, P. D. Bowe, E. Butler, A. Capra, C. L. Cesar, M. Charlton, A. Deller, P. H. Donnan, S. Eriksson, J. Fajans, T. Friesen, M. C. Fujiwara, D. R. Gill, A. Gutierrez, J. S. Hangst (), W. N. Hardy, M. E. Hayden (), A. J. Humphries, C. A. Isaac, S. Jonsell, L. Kurchaninov, A. Little, N. Madsen, J. T. K. McKenna, S. Menary, S. C. Napoli, P. Nolan, K. Olchanski, A. Olin, P. Pusa, C. Ø. Rasmussen, F. Robicheaux, E. Sarid, C. R. Shields, D. M. Silveira, S. Stracka, C. So, R. I. Thompson, D. P. van der Werf and J. S. Wurtele
Additional contact information
C. Amole: York University
M. D. Ashkezari: Simon Fraser University, Burnaby, British Columbia, V5A 1S6, Canada
M. Baquero-Ruiz: University of California
W. Bertsche: Swansea University, Swansea SA2 8PP, UK
P. D. Bowe: Aarhus University, DK-8000 Aarhus C, Denmark
E. Butler: CERN, CH-1211 Geneva 23, Switzerland
A. Capra: York University
C. L. Cesar: Instituto de Física, Universidade Federal do Rio de Janeiro
M. Charlton: Swansea University, Swansea SA2 8PP, UK
A. Deller: Swansea University, Swansea SA2 8PP, UK
P. H. Donnan: Auburn University
S. Eriksson: Swansea University, Swansea SA2 8PP, UK
J. Fajans: University of California
T. Friesen: University of Calgary, Calgary, Alberta T2N 1N4, Canada
M. C. Fujiwara: University of Calgary, Calgary, Alberta T2N 1N4, Canada
D. R. Gill: TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada
A. Gutierrez: University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
J. S. Hangst: Aarhus University, DK-8000 Aarhus C, Denmark
W. N. Hardy: University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
M. E. Hayden: Simon Fraser University, Burnaby, British Columbia, V5A 1S6, Canada
A. J. Humphries: Swansea University, Swansea SA2 8PP, UK
C. A. Isaac: Swansea University, Swansea SA2 8PP, UK
S. Jonsell: Stockholm University, SE-10691, Stockholm, Sweden
L. Kurchaninov: TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada
A. Little: University of California
N. Madsen: Swansea University, Swansea SA2 8PP, UK
J. T. K. McKenna: University of Liverpool, Liverpool L69 7ZE, UK
S. Menary: York University
S. C. Napoli: Swansea University, Swansea SA2 8PP, UK
P. Nolan: University of Liverpool, Liverpool L69 7ZE, UK
K. Olchanski: TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada
A. Olin: TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada
P. Pusa: University of Liverpool, Liverpool L69 7ZE, UK
C. Ø. Rasmussen: Aarhus University, DK-8000 Aarhus C, Denmark
F. Robicheaux: Auburn University
E. Sarid: NRCN-Nuclear Research Center Negev, Beer Sheva, IL-84190, Israel
C. R. Shields: Swansea University, Swansea SA2 8PP, UK
D. M. Silveira: Atomic Physics Laboratory
S. Stracka: TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada
C. So: University of California
R. I. Thompson: University of Calgary, Calgary, Alberta T2N 1N4, Canada
D. P. van der Werf: Swansea University, Swansea SA2 8PP, UK
J. S. Wurtele: University of California

Nature, 2012, vol. 483, issue 7390, 439-443

Abstract: These authors demonstrate resonant quantum transitions in a pure antimatter atom—antihydrogen—by using microwave radiation to flip the spin of the positron of an anti-atom in a magnetic trap, thus ejecting the anti-atom.

Date: 2012
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DOI: 10.1038/nature10942

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