Y. C. Chen⁶, Y.-C. Chen⁶, S. Chiche⁷, B. A. Clark⁸, A. Connolly³, K. Couberly², L. Cremonesi⁹, A. Cummings^10,11,12, P. Dasgupta³, R. Debolt³, S. de Kockere¹³, K. D. de Vries¹³, C. Deaconu¹, M. A. DuVernois⁵, J. Flaherty³, E. Friedman⁸, R. Gaior⁴, P. Giri¹⁴, J. Hanson¹⁵, N. Harty¹⁶, K. D. Hoffman⁸, M.-H. Huang^6,17, K. Hughes³, A. Ishihara⁴, A. Karle⁵, J. L. Kelley⁵, K.-C. Kim⁸, M.-C. Kim⁴, I. Kravchenko¹⁴, R. Krebs^10,11, C. Y. Kuo⁶, K. Kurusu⁴, U. A. Latif¹³, C. H. Liu¹⁴, T. C. Liu^6,18, W. Luszczak³, A. Machtay³, K. Mase⁴, M. S. Muzio^5,10,11,12, J. Nam⁶, R. J. Nichol⁹, A. Novikov¹⁶, A. Nozdrina³, E. Oberla¹, C. W. Pai⁶, Y. Pan¹⁶, C. Pfendner¹⁹, N. Punsuebsay¹⁶, J. Roth¹⁶, A. Salcedo-Gomez³, D. Seckel¹⁶, M. F. H. Seikh², Y.-S. Shiao^6,20, J. Stethem³, S. C. Su⁶, S. Toscano⁷, J. Torres³, J. Touart⁸, N. van Eijndhoven¹³, A. Vieregg¹, M. Vilarino Fostier⁷, M.-Z. Wang⁶, S.-H. Wang⁶, P. Windischhofer^1,†, S. A. Wissel^10,11,12, C. Xie⁹, S. Yoshida⁴, and R. Young² (ARA Collaboration)

• ¹Department of Physics, Department of Astronomy and Astrophysics, Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
• ²Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
• ³Department of Physics, Center for Cosmology and AstroParticle Physics, The Ohio State University, Columbus, Ohio 43210, USA
• ⁴Department of Physics, Chiba University, Chiba, Japan
• ⁵Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
• ⁶Department of Physics, Graduate Institute of Astrophysics, Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei, Taiwan
• ⁷Universite Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
• ⁸Department of Physics, University of Maryland, College Park, Maryland 20742, USA
• ⁹Department of Physics and Astronomy, University College London, London, United Kingdom
• ¹⁰Center for Multi-Messenger Astrophysics, Institute for Gravitation and the Cosmos, Pennsylvania State University, University Park, Pennsylvania 16802, USA
• ¹¹Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
• ¹²Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
• ¹³Vrije Universiteit Brussel, Brussels, Belgium
• ¹⁴Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588, USA
• ¹⁵Department Physics and Astronomy, Whittier College, Whittier, California 90602, USA
• ¹⁶Department of Physics, University of Delaware, Newark, Delaware 19716, USA
• ¹⁷Department of Energy Engineering, National United University, Miaoli, Taiwan
• ¹⁸Department of Applied Physics, National Pingtung University, Pingtung City, Pingtung County 900393, Taiwan
• ¹⁹Department of Physics and Astronomy, Denison University, Granville, Ohio 43023, USA
• ²⁰National Nano Device Laboratories, Hsinchu 300, Taiwan

• ^*Contact author: nalden@uchicago.edu
• ^†Contact author: windischhofer@uchicago.edu