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27 April 2024

» arxiv » 2007.14289

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Light Dark Matter Search with a High-Resolution Athermal Phonon Detector Operated Above Ground
I. Alkhatib ; D. W. P. Amaral ; T. Aralis ; T. Aramaki ; I. J. Arnquist ; I. Ataee Langroudy ; E. Azadbakht ; S. Banik ; D. Barker ; C. Bathurst ; D. A. Bauer ; L. V. S. Bezerra ; R. Bhattacharyya ; T. Binder ; M. A. Bowles ; P. L. Brink ; R. Bunker ; B. Cabrera ; R. Calkins ; R. A. Cameron ; C. Cartaro ; D. G. Cerdeño ; Y.-Y. Chang ; M. Chaudhuri ; R. Chen ; N. Chott ; J. Cooley ; H. Coombes ; J. Corbett ; P. Cushman ; F. De Brienne ; M. L. di Vacri ; M. D. Diamond ; E. Fascione ; E. Figueroa-Feliciano ; C. W. Fink ; K. Fouts ; M. Fritts ; G. Gerbier ; R. Germond ; M. Ghaith ; S. R. Golwala ; H. R. Harris ; N. Herbert ; B. A. Hines ; M. I. Hollister ; Z. Hong ; E. W. Hoppe ; L. Hsu ; M. E. Huber ; V. Iyer ; D. Jardin ; A. Jastram ; V. K. S. Kashyap ; M. H. Kelsey ; A. Kubik ; N. A. Kurinsky ; R. E. Lawrence ; A. Li ; B. Loer ; E. Lopez Asamar ; P. Lukens ; D. MacDonell ; D. B. MacFarlane ; R. Mahapatra ; V. Mandic ; N. Mast ; A. J. Mayer ; H. Meyer zu Theenhausen ; É. M. Michaud ; E. Michielin ; N. Mirabolfathi ; B. Mohanty ; J. D. Morales Mendoza ; S. Nagorny ; J. Nelson ; H. Neog ; V. Novati ; J. L. Orrell ; S. M. Oser ; W. A. Page ; P. Pakarha ; R. Partridge ; R. Podviianiuk ; F. Ponce ; S. Poudel ; M. Pyle ; W. Rau ; E. Reid ; R. Ren ; T. Reynolds ; A. Roberts ; A. E. Robinson ; T. Saab ; B. Sadoulet ; J. Sander ; A. Sattari ; R. W. Schnee ; S. Scorza ; B. Serfass ; D. J. Sincavage ; C. Stanford ; J. Street ; D. Toback ; R. Underwood ; S. Verma ; A. N. Villano ; B. von Krosigk ; S. L. Watkins ; L. Wills ; J. S. Wilson ; M. J. Wilson ; J. Winchell ; D. H. Wright ; S. Yellin ; B. A. Young ; T. C. Yu ; E. Zhang ; H. G. Zhang ; X. Zhao ; L. Zheng ; J. Camilleri ; Yu. G. Kolomensky ; S. Zuber ;
Date:	21 Jul 2020
Abstract:	We present limits on spin-independent dark matter-nucleon interactions using a $10.6$ $mathrm{g}$ Si athermal phonon detector with a baseline energy resolution of $sigma_E=4.92 pm 0.01$ $mathrm{eV}$. This exclusion analysis sets the most stringent dark matter-nucleon scattering cross-section limits for dark matter particle masses from $87$ to $140$ $mathrm{MeV}/c^2$, with a raw exposure of $9.9$ $mathrm{g}cdotmathrm{d}$ acquired at an above-ground facility. This work illustrates the scientific potential of detectors with athermal phonon sensors with eV-scale energy resolution for future dark matter searches.
Source:	arXiv, 2007.14289
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