Dark Matter Axion Search with HAYSTAC Phase II
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866913849171509248 |
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| author | HAYSTAC Collaboration Bai, Xiran Jewell, M. J. Echevers, J. van Bibber, K. Droster, A. Esmat, Maryam H. Ghosh, Sumita Graham, Eleanor Jackson, H. Laffan, Claire Lamoreaux, S. K. Leder, A. F. Lehnert, K. W. Lewis, S. M. Maruyama, R. H. Nath, R. D. Rapidis, N. M. Ruddy, E. P. Silva-Feaver, M. Simanovskaia, M. Singh, Sukhman Speller, D. H. Zacarias, Sabrina Zhu, Yuqi |
| author_facet | HAYSTAC Collaboration Bai, Xiran Jewell, M. J. Echevers, J. van Bibber, K. Droster, A. Esmat, Maryam H. Ghosh, Sumita Graham, Eleanor Jackson, H. Laffan, Claire Lamoreaux, S. K. Leder, A. F. Lehnert, K. W. Lewis, S. M. Maruyama, R. H. Nath, R. D. Rapidis, N. M. Ruddy, E. P. Silva-Feaver, M. Simanovskaia, M. Singh, Sukhman Speller, D. H. Zacarias, Sabrina Zhu, Yuqi |
| contents | This Letter reports new results from the HAYSTAC experiment's search for dark matter axions in our galactic halo. It represents the widest search to date that utilizes squeezing to realize sub-quantum limited noise. The new results cover 1.71 $μ$eV of newly scanned parameter space in the mass ranges 17.28-18.44 $μ$eV and 18.71-19.46 $μ$eV. No statistically significant evidence of an axion signal was observed, excluding couplings $|g_γ|\geq$ 2.75$\times$$|g_γ^{\text{KSVZ}}|$ and $|g_γ|\geq$ 2.96$\times$$|g_γ^{\text{KSVZ}}|$ at the 90$\%$ confidence level over the respective region. By combining this data with previously published results using HAYSTAC's squeezed state receiver, a total of 2.27 $μ$eV of parameter space has now been scanned between 16.96-19.46 $μ$eV, excluding $|g_γ|\geq$ 2.86$\times$$|g_γ^{\text{KSVZ}}|$ at the 90$\%$ confidence level. These results demonstrate the squeezed state receiver's ability to probe axion models over a significant mass range while achieving a scan rate enhancement relative to a quantum-limited experiment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_08998 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Dark Matter Axion Search with HAYSTAC Phase II HAYSTAC Collaboration Bai, Xiran Jewell, M. J. Echevers, J. van Bibber, K. Droster, A. Esmat, Maryam H. Ghosh, Sumita Graham, Eleanor Jackson, H. Laffan, Claire Lamoreaux, S. K. Leder, A. F. Lehnert, K. W. Lewis, S. M. Maruyama, R. H. Nath, R. D. Rapidis, N. M. Ruddy, E. P. Silva-Feaver, M. Simanovskaia, M. Singh, Sukhman Speller, D. H. Zacarias, Sabrina Zhu, Yuqi High Energy Physics - Experiment This Letter reports new results from the HAYSTAC experiment's search for dark matter axions in our galactic halo. It represents the widest search to date that utilizes squeezing to realize sub-quantum limited noise. The new results cover 1.71 $μ$eV of newly scanned parameter space in the mass ranges 17.28-18.44 $μ$eV and 18.71-19.46 $μ$eV. No statistically significant evidence of an axion signal was observed, excluding couplings $|g_γ|\geq$ 2.75$\times$$|g_γ^{\text{KSVZ}}|$ and $|g_γ|\geq$ 2.96$\times$$|g_γ^{\text{KSVZ}}|$ at the 90$\%$ confidence level over the respective region. By combining this data with previously published results using HAYSTAC's squeezed state receiver, a total of 2.27 $μ$eV of parameter space has now been scanned between 16.96-19.46 $μ$eV, excluding $|g_γ|\geq$ 2.86$\times$$|g_γ^{\text{KSVZ}}|$ at the 90$\%$ confidence level. These results demonstrate the squeezed state receiver's ability to probe axion models over a significant mass range while achieving a scan rate enhancement relative to a quantum-limited experiment. |
| title | Dark Matter Axion Search with HAYSTAC Phase II |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2409.08998 |