New Limit on Axion-Like Dark Matter using Cold Neutrons
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arXiv
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| Format: | Preprint |
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2022
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| author | Schulthess, Ivo Chanel, Estelle Fratangelo, Anastasio Gottstein, Alexander Gsponer, Andreas Hodge, Zachary Pistillo, Ciro Ries, Dieter Soldner, Torsten Thorne, Jacob Piegsa, Florian M. |
| author_facet | Schulthess, Ivo Chanel, Estelle Fratangelo, Anastasio Gottstein, Alexander Gsponer, Andreas Hodge, Zachary Pistillo, Ciro Ries, Dieter Soldner, Torsten Thorne, Jacob Piegsa, Florian M. |
| contents | We report on a search for dark matter axion-like particles (ALPs) using a Ramsey-type apparatus for cold neutrons. A hypothetical ALP-gluon-coupling would manifest in a neutron electric dipole moment signal oscillating in time. Twenty-four hours of data have been analyzed in a frequency range from 23 $μ$Hz to 1 kHz, and no significant oscillating signal has been found. The usage of present dark-matter models allows to constrain the coupling of ALPs to gluons in the mass range from $10^{-19}$ to $4 \times 10^{-12}$ eV. The best limit of $C_G$/$f_a m_a = 2.7 \times 10^{13}$ GeV$^{-2}$ (95\% C.L.) is reached in the mass range from $2 \times 10^{-17}$ to $2 \times 10^{-14}$ eV. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2204_01454 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | New Limit on Axion-Like Dark Matter using Cold Neutrons Schulthess, Ivo Chanel, Estelle Fratangelo, Anastasio Gottstein, Alexander Gsponer, Andreas Hodge, Zachary Pistillo, Ciro Ries, Dieter Soldner, Torsten Thorne, Jacob Piegsa, Florian M. High Energy Physics - Experiment Instrumentation and Detectors We report on a search for dark matter axion-like particles (ALPs) using a Ramsey-type apparatus for cold neutrons. A hypothetical ALP-gluon-coupling would manifest in a neutron electric dipole moment signal oscillating in time. Twenty-four hours of data have been analyzed in a frequency range from 23 $μ$Hz to 1 kHz, and no significant oscillating signal has been found. The usage of present dark-matter models allows to constrain the coupling of ALPs to gluons in the mass range from $10^{-19}$ to $4 \times 10^{-12}$ eV. The best limit of $C_G$/$f_a m_a = 2.7 \times 10^{13}$ GeV$^{-2}$ (95\% C.L.) is reached in the mass range from $2 \times 10^{-17}$ to $2 \times 10^{-14}$ eV. |
| title | New Limit on Axion-Like Dark Matter using Cold Neutrons |
| topic | High Energy Physics - Experiment Instrumentation and Detectors |
| url | https://arxiv.org/abs/2204.01454 |