CERN AD/ELENA Antimatter Program
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arXiv
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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866916667690319872 |
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| author | Caravita, R. Mathad, A. Cridland Hangst, J. S. Hori, M. Latacz, B. M. Obertelli, A. Perez, P. Ulmer, S. Widmann, E. |
| author_facet | Caravita, R. Mathad, A. Cridland Hangst, J. S. Hori, M. Latacz, B. M. Obertelli, A. Perez, P. Ulmer, S. Widmann, E. |
| contents | The CERN AD/ELENA Antimatter program studies the fundamental charge, parity, time (CPT) reversal invariance through high-precision studies of antiprotons, antihydrogen, and antiprotonic atoms. Utilizing the world-unique Antiproton Decelerator (AD) and the Extra Low Energy Antiproton (ELENA) decelerator, the program supports multiple groundbreaking experiments aimed at testing fundamental symmetries, probing gravity with antimatter, and investigating potential asymmetric antimatter/dark matter interactions. Some experiments focus on precision spectroscopy of antihydrogen, while others conduct the most precise tests of CPT invariance in the baryon sector by comparing proton and antiproton properties. Other efforts are dedicated to measure the ballistic properties of antihydrogen under gravity and performing antiproton-based studies of neutron skins in exotic nuclei. These efforts have led to major breakthroughs, including the first trapped antihydrogen, antihydrogen's first gravitational acceleration measurement, and record-breaking precision CPT-tests in the baryon sector.
With continuous advancements in antimatter cooling, trapping, and transport, CERN's program is opening new frontiers in fundamental physics. Future goals, described in this document and reaching to timelines beyond 2040, include further improving the precision of antimatter studies, developing transportable antimatter traps, and advancing our understanding of quantum field theory, gravity, and dark matter interactions. Furthermore, new areas of hadron physics with antiprotons will be explored through studies of the Pontecorvo reaction, antineutron annihilation dynamics and hypernuclei decays. The CERN AD/ELENA Antimatter program remains at the forefront of experimental physics, pushing the limits of precision measurements to unravel the mysteries of the universe. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_22471 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | CERN AD/ELENA Antimatter Program Caravita, R. Mathad, A. Cridland Hangst, J. S. Hori, M. Latacz, B. M. Obertelli, A. Perez, P. Ulmer, S. Widmann, E. Nuclear Experiment Atomic Physics The CERN AD/ELENA Antimatter program studies the fundamental charge, parity, time (CPT) reversal invariance through high-precision studies of antiprotons, antihydrogen, and antiprotonic atoms. Utilizing the world-unique Antiproton Decelerator (AD) and the Extra Low Energy Antiproton (ELENA) decelerator, the program supports multiple groundbreaking experiments aimed at testing fundamental symmetries, probing gravity with antimatter, and investigating potential asymmetric antimatter/dark matter interactions. Some experiments focus on precision spectroscopy of antihydrogen, while others conduct the most precise tests of CPT invariance in the baryon sector by comparing proton and antiproton properties. Other efforts are dedicated to measure the ballistic properties of antihydrogen under gravity and performing antiproton-based studies of neutron skins in exotic nuclei. These efforts have led to major breakthroughs, including the first trapped antihydrogen, antihydrogen's first gravitational acceleration measurement, and record-breaking precision CPT-tests in the baryon sector. With continuous advancements in antimatter cooling, trapping, and transport, CERN's program is opening new frontiers in fundamental physics. Future goals, described in this document and reaching to timelines beyond 2040, include further improving the precision of antimatter studies, developing transportable antimatter traps, and advancing our understanding of quantum field theory, gravity, and dark matter interactions. Furthermore, new areas of hadron physics with antiprotons will be explored through studies of the Pontecorvo reaction, antineutron annihilation dynamics and hypernuclei decays. The CERN AD/ELENA Antimatter program remains at the forefront of experimental physics, pushing the limits of precision measurements to unravel the mysteries of the universe. |
| title | CERN AD/ELENA Antimatter Program |
| topic | Nuclear Experiment Atomic Physics |
| url | https://arxiv.org/abs/2503.22471 |