The Effect of Gravity on Antimatter: The ALPHA Experiment
Although the gravitational interaction between matter and antimatter has been the subject of theoretical speculation since the discovery of the latter in 1928, only recently was the ALPHA experiment at CERN able to observe, for the first time, the effects of gravity on antimatter atoms, namely on an...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-02-01
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| Series: | Particles |
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| Online Access: | https://www.mdpi.com/2571-712X/8/1/20 |
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| Summary: | Although the gravitational interaction between matter and antimatter has been the subject of theoretical speculation since the discovery of the latter in 1928, only recently was the ALPHA experiment at CERN able to observe, for the first time, the effects of gravity on antimatter atoms, namely on antihydrogen. After an introduction of the concept of antimatter, along with its still-unresolved mysteries, details about how antihydrogen is produced at the Antimatter Factory at CERN will be given. Finally, the measurement of the acceleration of gravity of antihydrogen atoms falling in the Earth’s gravitational field will be described. |
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| ISSN: | 2571-712X |