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First Limits on Light Dark Matter Interactions in a Low Threshold Two Channel Athermal Phonon Detector from the TESSERACT Collaboration

Fuente: arXiv

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Autori principali:	Chang, C. L., Chang, Y. -Y., Chaplinsky, L., Fink, C. W., Garcia-Sciveres, M., Guo, W., Hertel, S. A., Li, X., Lin, J., Lisovenko, M., Mahapatra, R., Matava, W., McKinsey, D. N., Novati, V., Patel, P. K., Penning, B., Pinckney, H. D., Platt, M., Pyle, M., Qi, Y., Reed, M., Rischbieter, G. R. C, Romani, R. K., Sadoulet, B., Serfass, B., Sorensen, P., Suzuki, A., Velan, V., Wang, G., Wang, Y., Watkins, S. L., Williams, M. R., Wuko, J. K., Aramaki, T., Cushman, P., Gite, N. N., Gupta, A., Huber, M. E., Kurinsky, N. A., Mammo, J. S., von Krosigk, B., Mayer, A. J., Nelson, J., Oser, S. M., Pandey, L., Pradeep, A., Rau, W., Saab, T.
Natura:	Preprint
Pubblicazione:	2025
Soggetti:	High Energy Physics - Experiment Instrumentation and Detectors
Accesso online:	Acceder al recurso
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author	Chang, C. L. Chang, Y. -Y. Chaplinsky, L. Fink, C. W. Garcia-Sciveres, M. Guo, W. Hertel, S. A. Li, X. Lin, J. Lisovenko, M. Mahapatra, R. Matava, W. McKinsey, D. N. Novati, V. Patel, P. K. Penning, B. Pinckney, H. D. Platt, M. Pyle, M. Qi, Y. Reed, M. Rischbieter, G. R. C Romani, R. K. Sadoulet, B. Serfass, B. Sorensen, P. Suzuki, A. Velan, V. Wang, G. Wang, Y. Watkins, S. L. Williams, M. R. Wuko, J. K. Aramaki, T. Cushman, P. Gite, N. N. Gupta, A. Huber, M. E. Kurinsky, N. A. Mammo, J. S. von Krosigk, B. Mayer, A. J. Nelson, J. Oser, S. M. Pandey, L. Pradeep, A. Rau, W. Saab, T.
author_facet	Chang, C. L. Chang, Y. -Y. Chaplinsky, L. Fink, C. W. Garcia-Sciveres, M. Guo, W. Hertel, S. A. Li, X. Lin, J. Lisovenko, M. Mahapatra, R. Matava, W. McKinsey, D. N. Novati, V. Patel, P. K. Penning, B. Pinckney, H. D. Platt, M. Pyle, M. Qi, Y. Reed, M. Rischbieter, G. R. C Romani, R. K. Sadoulet, B. Serfass, B. Sorensen, P. Suzuki, A. Velan, V. Wang, G. Wang, Y. Watkins, S. L. Williams, M. R. Wuko, J. K. Aramaki, T. Cushman, P. Gite, N. N. Gupta, A. Huber, M. E. Kurinsky, N. A. Mammo, J. S. von Krosigk, B. Mayer, A. J. Nelson, J. Oser, S. M. Pandey, L. Pradeep, A. Rau, W. Saab, T.
contents	We present results of a search for spin-independent dark matter-nucleon interactions in a 1 cm$^2$ by 1 mm thick (0.233 gram) high-resolution silicon athermal phonon detector operated above ground. For interactions in the substrate, this detector achieves a r.m.s. baseline energy resolution of 361.5 $\pm$ 0.4 MeV/$c^2$, the best for any athermal phonon detector to date. With an exposure of 0.233g $\times$ 12 hours, we place the most stringent constraints on dark matter masses between 44 and 87 MeV/$c^2$, with the lowest unexplored cross section of 4 $\times 10^{-32}$ cm$^2$ at 87 MeV/$c^2$. We employ a conservative salting technique to reach the lowest dark matter mass ever probed via direct detection experiment. This constraint is enabled by two-channel rejection of low-energy backgrounds that are coupled to individual sensors.
format	Preprint
id	arxiv_https___arxiv_org_abs_2503_03683
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	First Limits on Light Dark Matter Interactions in a Low Threshold Two Channel Athermal Phonon Detector from the TESSERACT Collaboration Chang, C. L. Chang, Y. -Y. Chaplinsky, L. Fink, C. W. Garcia-Sciveres, M. Guo, W. Hertel, S. A. Li, X. Lin, J. Lisovenko, M. Mahapatra, R. Matava, W. McKinsey, D. N. Novati, V. Patel, P. K. Penning, B. Pinckney, H. D. Platt, M. Pyle, M. Qi, Y. Reed, M. Rischbieter, G. R. C Romani, R. K. Sadoulet, B. Serfass, B. Sorensen, P. Suzuki, A. Velan, V. Wang, G. Wang, Y. Watkins, S. L. Williams, M. R. Wuko, J. K. Aramaki, T. Cushman, P. Gite, N. N. Gupta, A. Huber, M. E. Kurinsky, N. A. Mammo, J. S. von Krosigk, B. Mayer, A. J. Nelson, J. Oser, S. M. Pandey, L. Pradeep, A. Rau, W. Saab, T. High Energy Physics - Experiment Instrumentation and Detectors We present results of a search for spin-independent dark matter-nucleon interactions in a 1 cm$^2$ by 1 mm thick (0.233 gram) high-resolution silicon athermal phonon detector operated above ground. For interactions in the substrate, this detector achieves a r.m.s. baseline energy resolution of 361.5 $\pm$ 0.4 MeV/$c^2$, the best for any athermal phonon detector to date. With an exposure of 0.233g $\times$ 12 hours, we place the most stringent constraints on dark matter masses between 44 and 87 MeV/$c^2$, with the lowest unexplored cross section of 4 $\times 10^{-32}$ cm$^2$ at 87 MeV/$c^2$. We employ a conservative salting technique to reach the lowest dark matter mass ever probed via direct detection experiment. This constraint is enabled by two-channel rejection of low-energy backgrounds that are coupled to individual sensors.
title	First Limits on Light Dark Matter Interactions in a Low Threshold Two Channel Athermal Phonon Detector from the TESSERACT Collaboration
topic	High Energy Physics - Experiment Instrumentation and Detectors
url	https://arxiv.org/abs/2503.03683