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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| Online Access: | https://arxiv.org/abs/2509.11867 |
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| _version_ | 1866908542491951104 |
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| author | Baynham, Charles Bertoldi, Andrea Blas, Diego Buchmueller, Oliver Calatroni, Sergio Charmandaris, Vassilis Chiofalo, Maria Luisa Cladé, Pierre Coleman, Jonathon Di Pumpo, Fabio Ellis, John Gaaloul, Naceur Guellati-Khelifa, Saïda Harte, Tiffany Hobson, Richard Holynski, Michael Lellouch, Samuel Lombriser, Lucas Asamar, Elias Lopez Maggiore, Michele McCabe, Christopher Mitchell, Jeremiah Rasel, Ernst M. Nieto, Federico Sanchez Schleich, Wolfgang Schlippert, Dennis Schneider, Ulrich Schramm, Steven Soares-Santos, Marcelle Tino, Guglielmo M. Tinsley, Jonathan N. Valenzuela, Tristan van der Grinten, Maurits von Klitzing, Wolf |
| author_facet | Baynham, Charles Bertoldi, Andrea Blas, Diego Buchmueller, Oliver Calatroni, Sergio Charmandaris, Vassilis Chiofalo, Maria Luisa Cladé, Pierre Coleman, Jonathon Di Pumpo, Fabio Ellis, John Gaaloul, Naceur Guellati-Khelifa, Saïda Harte, Tiffany Hobson, Richard Holynski, Michael Lellouch, Samuel Lombriser, Lucas Asamar, Elias Lopez Maggiore, Michele McCabe, Christopher Mitchell, Jeremiah Rasel, Ernst M. Nieto, Federico Sanchez Schleich, Wolfgang Schlippert, Dennis Schneider, Ulrich Schramm, Steven Soares-Santos, Marcelle Tino, Guglielmo M. Tinsley, Jonathan N. Valenzuela, Tristan van der Grinten, Maurits von Klitzing, Wolf |
| contents | We propose an O(100)m Atom Interferometer (AI) experiment -- AICE -- to be installed against a wall of the PX46 access shaft to the LHC. This experiment would probe unexplored ranges of the possible couplings of bosonic ultralight dark matter (ULDM) to atomic constituents and undertake a pioneering search for gravitational waves (GWs) at frequencies intermediate between those to which existing and planned experiments are sensitive, among other fundamental physics studies. A conceptual feasibility study showed that this AI experiment could be isolated from the LHC by installing a shielding wall in the TX46 gallery, and surveyed issues related to the proximity of the LHC machine, finding no technical obstacles. A detailed technical implementation study has shown that the preparatory civil-engineering work, installation of bespoke radiation shielding, deployment of access-control systems and safety alarms, and installation of an elevator platform could be carried out during LS3, allowing installation and operation of the AICE detector to proceed during Run 4 without impacting HL-LHC operation. These studies have established that PX46 is a uniquely promising location for an AI experiment. We foresee that, if the CERN management encourages this Letter of Intent, a significant fraction of the Terrestrial Very Long Baseline Atom Interferometer (TVLBAI) Proto-Collaboration may wish to contribute to AICE. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_11867 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Letter of Intent: AICE -- 100m Atom Interferometer Experiment at CERN Baynham, Charles Bertoldi, Andrea Blas, Diego Buchmueller, Oliver Calatroni, Sergio Charmandaris, Vassilis Chiofalo, Maria Luisa Cladé, Pierre Coleman, Jonathon Di Pumpo, Fabio Ellis, John Gaaloul, Naceur Guellati-Khelifa, Saïda Harte, Tiffany Hobson, Richard Holynski, Michael Lellouch, Samuel Lombriser, Lucas Asamar, Elias Lopez Maggiore, Michele McCabe, Christopher Mitchell, Jeremiah Rasel, Ernst M. Nieto, Federico Sanchez Schleich, Wolfgang Schlippert, Dennis Schneider, Ulrich Schramm, Steven Soares-Santos, Marcelle Tino, Guglielmo M. Tinsley, Jonathan N. Valenzuela, Tristan van der Grinten, Maurits von Klitzing, Wolf High Energy Physics - Experiment Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology Atomic Physics Quantum Physics We propose an O(100)m Atom Interferometer (AI) experiment -- AICE -- to be installed against a wall of the PX46 access shaft to the LHC. This experiment would probe unexplored ranges of the possible couplings of bosonic ultralight dark matter (ULDM) to atomic constituents and undertake a pioneering search for gravitational waves (GWs) at frequencies intermediate between those to which existing and planned experiments are sensitive, among other fundamental physics studies. A conceptual feasibility study showed that this AI experiment could be isolated from the LHC by installing a shielding wall in the TX46 gallery, and surveyed issues related to the proximity of the LHC machine, finding no technical obstacles. A detailed technical implementation study has shown that the preparatory civil-engineering work, installation of bespoke radiation shielding, deployment of access-control systems and safety alarms, and installation of an elevator platform could be carried out during LS3, allowing installation and operation of the AICE detector to proceed during Run 4 without impacting HL-LHC operation. These studies have established that PX46 is a uniquely promising location for an AI experiment. We foresee that, if the CERN management encourages this Letter of Intent, a significant fraction of the Terrestrial Very Long Baseline Atom Interferometer (TVLBAI) Proto-Collaboration may wish to contribute to AICE. |
| title | Letter of Intent: AICE -- 100m Atom Interferometer Experiment at CERN |
| topic | High Energy Physics - Experiment Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2509.11867 |