Towards Precision Spectroscopy of Antiprotonic Atoms for Probing Strong-field QED
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arXiv
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| Format: | Preprint |
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2025
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| author | Baptista, Gonçalo Rathi, Shikha Roosa, Michael Senetaire, Quentin Sommerfeldt, Jonas Azuma, Toshiyuki Becker, Daniel Butin, Francois Eizenberg, Ofir Fowler, Joseph Fujioka, Hiroyuki Gamba, Davide Garroum, Nabil Guerra, Mauro Hashimoto, Tadashi Higuchi, Takashi Indelicato, Paul Machado, Jorge Morgan, Kelsey Nez, Francois Nobles, Jason Ohayon, Ben Okada, Shinji Schmidt, Daniel Swetz, Daniel Ullom, Joel Yzombard, Pauline Zito, Marco Paul, Nancy |
| author_facet | Baptista, Gonçalo Rathi, Shikha Roosa, Michael Senetaire, Quentin Sommerfeldt, Jonas Azuma, Toshiyuki Becker, Daniel Butin, Francois Eizenberg, Ofir Fowler, Joseph Fujioka, Hiroyuki Gamba, Davide Garroum, Nabil Guerra, Mauro Hashimoto, Tadashi Higuchi, Takashi Indelicato, Paul Machado, Jorge Morgan, Kelsey Nez, Francois Nobles, Jason Ohayon, Ben Okada, Shinji Schmidt, Daniel Swetz, Daniel Ullom, Joel Yzombard, Pauline Zito, Marco Paul, Nancy |
| contents | PAX (antiProtonic Atom X-ray spectroscopy) is a new experiment with the aim to test strong-field quantum electrodynamics (QED) effects by performing high-precision x-ray spectroscopy of antiprotonic atoms. By utilizing advanced microcalorimeter detection techniques and a low-energy antiproton beam provided by the ELENA ring at CERN, gaseous targets will be used for the creation of antiprotonic atoms, and the measurement of transitions between circular Rydberg states will be conducted with up to two orders of magnitude improved accuracy over previous studies using high-purity germanium detectors. Our approach eliminates the longstanding issue of nuclear uncertainties that have hindered prior studies using highly charged ions, thus enabling direct and purely QED-focused measurements. By precisely probing atomic systems with electric fields up to two orders of magnitude above the Schwinger limit, PAX will test vacuum polarization and second-order QED corrections, opening new frontiers in fundamental physics and uncovering potential pathways to physics beyond the Standard Model. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_08893 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Towards Precision Spectroscopy of Antiprotonic Atoms for Probing Strong-field QED Baptista, Gonçalo Rathi, Shikha Roosa, Michael Senetaire, Quentin Sommerfeldt, Jonas Azuma, Toshiyuki Becker, Daniel Butin, Francois Eizenberg, Ofir Fowler, Joseph Fujioka, Hiroyuki Gamba, Davide Garroum, Nabil Guerra, Mauro Hashimoto, Tadashi Higuchi, Takashi Indelicato, Paul Machado, Jorge Morgan, Kelsey Nez, Francois Nobles, Jason Ohayon, Ben Okada, Shinji Schmidt, Daniel Swetz, Daniel Ullom, Joel Yzombard, Pauline Zito, Marco Paul, Nancy Atomic Physics Quantum Physics PAX (antiProtonic Atom X-ray spectroscopy) is a new experiment with the aim to test strong-field quantum electrodynamics (QED) effects by performing high-precision x-ray spectroscopy of antiprotonic atoms. By utilizing advanced microcalorimeter detection techniques and a low-energy antiproton beam provided by the ELENA ring at CERN, gaseous targets will be used for the creation of antiprotonic atoms, and the measurement of transitions between circular Rydberg states will be conducted with up to two orders of magnitude improved accuracy over previous studies using high-purity germanium detectors. Our approach eliminates the longstanding issue of nuclear uncertainties that have hindered prior studies using highly charged ions, thus enabling direct and purely QED-focused measurements. By precisely probing atomic systems with electric fields up to two orders of magnitude above the Schwinger limit, PAX will test vacuum polarization and second-order QED corrections, opening new frontiers in fundamental physics and uncovering potential pathways to physics beyond the Standard Model. |
| title | Towards Precision Spectroscopy of Antiprotonic Atoms for Probing Strong-field QED |
| topic | Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2501.08893 |