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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.14110 |
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| _version_ | 1866916014900379648 |
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| author | Brotherton, Daniel C. Bush, Zachary R. Croatto, Sandy Diaz-Ortiz Jr., Mauricio Egge, Jacob Ejlli, Aldo Frädrich, Henry Gleason, Joe Grote, Hartmut Hallal, Ayman Hartman, Michael T. Hollis, Harold Isleif, Katharina-Sophie James, Alasdair L. Januschek, Friederike Karan, Kanioar Karstensen, Sven Kozlowski, Todd Lindner, Axel Messineo, Giuseppe Meyer, Manuel Müller, Guido Netrval, Ryan Oceano, Isabella Othman, Gulden Põld, Jan H. Reuther, David Ringwald, Andreas Rivasto, Elmeri Gimeno, José Alejandro Rubiera Schaffran, Jörn Schneekloth, Uwe Schwemmbauer, Christina Smith, Richard C. G. Spector, Aaron D. Tanner, David B. Trines, Dieter Wei, Li-Wei Willke, Benno Wolf, Rachel |
| author_facet | Brotherton, Daniel C. Bush, Zachary R. Croatto, Sandy Diaz-Ortiz Jr., Mauricio Egge, Jacob Ejlli, Aldo Frädrich, Henry Gleason, Joe Grote, Hartmut Hallal, Ayman Hartman, Michael T. Hollis, Harold Isleif, Katharina-Sophie James, Alasdair L. Januschek, Friederike Karan, Kanioar Karstensen, Sven Kozlowski, Todd Lindner, Axel Messineo, Giuseppe Meyer, Manuel Müller, Guido Netrval, Ryan Oceano, Isabella Othman, Gulden Põld, Jan H. Reuther, David Ringwald, Andreas Rivasto, Elmeri Gimeno, José Alejandro Rubiera Schaffran, Jörn Schneekloth, Uwe Schwemmbauer, Christina Smith, Richard C. G. Spector, Aaron D. Tanner, David B. Trines, Dieter Wei, Li-Wei Willke, Benno Wolf, Rachel |
| contents | The light-shining-through-a-wall experiment ALPS II at DESY in Hamburg searched for axions and similar lightweight particles in its first science campaign from February to May 2024. No evidence for the existence of such particles was found. For pseudoscalar bosons like the axion, with masses below about 0.1 meV, we achieved a limit for the di-photon coupling strength of 1.5e-9 1/GeV at a 95% confidence level. This is more than a factor of 20 improvement compared to all previous similar experiments. We also provide limits on photon interactions for scalar, vector and tensor bosons. An achievement of this first science campaign is the demonstration of stable operation and robust calibration of the complex experiment. Currently, the optical system of ALPS II is being upgraded aiming for another two orders of magnitude sensitivity increase. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_14110 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Any Light Particle Searches with ALPS II: first science results Brotherton, Daniel C. Bush, Zachary R. Croatto, Sandy Diaz-Ortiz Jr., Mauricio Egge, Jacob Ejlli, Aldo Frädrich, Henry Gleason, Joe Grote, Hartmut Hallal, Ayman Hartman, Michael T. Hollis, Harold Isleif, Katharina-Sophie James, Alasdair L. Januschek, Friederike Karan, Kanioar Karstensen, Sven Kozlowski, Todd Lindner, Axel Messineo, Giuseppe Meyer, Manuel Müller, Guido Netrval, Ryan Oceano, Isabella Othman, Gulden Põld, Jan H. Reuther, David Ringwald, Andreas Rivasto, Elmeri Gimeno, José Alejandro Rubiera Schaffran, Jörn Schneekloth, Uwe Schwemmbauer, Christina Smith, Richard C. G. Spector, Aaron D. Tanner, David B. Trines, Dieter Wei, Li-Wei Willke, Benno Wolf, Rachel High Energy Physics - Experiment Astrophysics of Galaxies High Energy Physics - Phenomenology The light-shining-through-a-wall experiment ALPS II at DESY in Hamburg searched for axions and similar lightweight particles in its first science campaign from February to May 2024. No evidence for the existence of such particles was found. For pseudoscalar bosons like the axion, with masses below about 0.1 meV, we achieved a limit for the di-photon coupling strength of 1.5e-9 1/GeV at a 95% confidence level. This is more than a factor of 20 improvement compared to all previous similar experiments. We also provide limits on photon interactions for scalar, vector and tensor bosons. An achievement of this first science campaign is the demonstration of stable operation and robust calibration of the complex experiment. Currently, the optical system of ALPS II is being upgraded aiming for another two orders of magnitude sensitivity increase. |
| title | Any Light Particle Searches with ALPS II: first science results |
| topic | High Energy Physics - Experiment Astrophysics of Galaxies High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.14110 |