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EnglishThe ATHENA apparatus that recently produced and detected the first cold antihydrogen atoms is described. Its main features, which are described herein, are: an external positron accumulator, making it possible to accumulate large numbers of positrons; a separate antiproton catching trap, optimizing the catching, cooling and handling of antiprotons; a unique high resolution antihydrogen annihilation detector, allowing an clear determination that antihydrogen has been produced; an open, modular design making variations in the experimental approach possible and a ‘‘nested’’ Penning trap situated in a cryogenic, 3T magnetic field environment used for the mixing of the antiprotons and positrons.
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| Titolo: | The ATHENA antihydrogen apparatus |
| Autori: | |
| Data di pubblicazione: | 2004 |
| Rivista: | |
| Abstract: | The ATHENA apparatus that recently produced and detected the first cold antihydrogen atoms is described. Its main features, which are described herein, are: an external positron accumulator, making it possible to accumulate large numbers of positrons; a separate antiproton catching trap, optimizing the catching, cooling and handling of antiprotons; a unique high resolution antihydrogen annihilation detector, allowing an clear determination that antihydrogen has been produced; an open, modular design making variations in the experimental approach possible and a ‘‘nested’’ Penning trap situated in a cryogenic, 3T magnetic field environment used for the mixing of the antiprotons and positrons. |
| Handle: | http://hdl.handle.net/11571/20113 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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