Trapped Antihydrogen in Its Ground State
Jan 12, 20124 pages
Published in:
- Phys.Rev.Lett. 108 (2012) 11, 113002
- Published: Mar 16, 2012
e-Print:
- 1201.2717 [physics.atom-ph]
Experiments:
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Abstract:
Antihydrogen atoms ( H ) are confined in an Ioffe trap for 15–1000 s—long enough to ensure that they reach their ground state. Though reproducibility challenges remain in making large numbers of cold antiprotons ( p ) and positrons ( e þ ) interact, 5 1 simultaneously confined ground-state atoms are produced and observed on average, substantially more than previously reported. Increases in the number of simultaneously trapped H are critical if laser cooling of trapped H is to be demonstrated and spectroscopic studies at interesting levels of precision are to be carried out.- 37.10.De
- 36.10.-k
- 41.20.-q
- 41.90.+e
- antihydrogen: ground state
- antihydrogen: confinement
References(22)
Figures(4)
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