Accès ouvert déclaré 2024 article

Measurement of ambient radon progeny decay rates and energy spectra in liquid argon using the MicroBooNE detector

P. Abratenko, O. Alterkait, D. Andrade Aldana, L. Arellano, J. Asaadi, A. Ashkenazi, S. Balasubramanian, B. Baller, G. Barr, D. Barrow, J. Barrow, V. Basque, O. Benevides Rodrigues, S. Berkman, A. Bhanderi, A. Bhat, Madhumita Bhattacharya, M. Bishai, A. Blake, B. Bogart, T. Bolton, J. Y. Book, L. Camilleri, Y. Cao, D. Caratelli, I. Caro Terrazas, F. Cavanna, G. B. Cerati, Y. Chen, J. M. Conrad, M. R. Convery, L. Cooper-Troendle, J. I. Crespo-Anadón, Ryan Cross, P. Detje, Ann Devitt, Z. Djurcic, R. Dorrill, K. Duffy, S. Dytman, B. Eberly, P. Englezos, A. Ereditato, J. J. Evans, R. Fine, O. G. Finnerud, W. Foreman, B. T. Fleming, N. Foppiani, D. Franco, A. P. Furmanski, D. García-Gámez, S. Gardiner, G. Ge, S. Gollapinni, O. Goodwin, E. Gramellini, P. Green, H. Greenlee, W. Gu, R. Guénette, P. Guzowski, L. Hagaman, O. Hen, R. Hicks, C. Hilgenberg, G. A. Horton-Smith, Z. Imani, B. Irwin, R. Itay, C. James, X. Ji, L. Jiang, J. H. Jo, R. A. Johnson, Y. -J. Jwa, D. Kalra, N. Kamp, G. Karagiorgi, W. Ketchum, M. Kirby, T. Kobilarcik, I. Kreslo, M. B. Leibovitch, I. Lepetic, J. -Y. Li, K. Li, Yangmu Li, K. Lin, B. R. Littlejohn, H. Liu, W. C. Louis, X. Luo, C. Mariani, D. Marsden, J. Marshall, N. Lorenzo Martinez, D. A. Martinez Caicedo, S. Martynenko, A. Mastbaum, N. McConkey, V. Meddage, Jessie Micallef, K. Miller, A. Mogan, T. Mohayai, M. Mooney, A. F. Moor, C. D. Moore, L. Mora Lepin, M. M. Moudgalya, S. Mulleriababu, D. Naples, A. Navrer-Agasson, N. Nayak, M. Nebot-Guinot, J. Nowak, N. Oza, O. Palamara, N. Pallat, V. Paolone, A. Papadopoulou, V. Papavassiliou, H. B. Parkinson, S. F. Pate, N. D. Patel, Ž. Pavlović, E. Piasetzky, I. D. Ponce-Pinto, I. Pophale, X. Qian, J. L. Raaf, V. Radeka, A. Rafique, L. Ren, Lynn Rochester, J. Rodriguez Rondon, M. Rosenberg, M. Ross-Lonergan, C. Rudolf von Rohr, I. Safa, G. Scanavini, D. W. Schmitz, A. Schukraft, W. Seligman, M.H. Shaevitz, R. Sharankova, J. Y. Shi, E. L. Snider, M. Söderberg, S. Söldner‐Rembold, J. Spitz, M. Stancari, J. St. John, T. Strauss, A. M. Szelc, Wesley Tang, N. Taniuchi, K. Terao, C. Thorpe, D. Torbunov, D. Totani, M. Toups, Y. -T. Tsai, J. Tyler, M. A. Uchida, T. Usher, B. Viren, M. Weber, H. Wei, A. J. White, S. Wolbers, T. Wongjirad, M. Wospakrik, N. Wright, W. Wu, E. Yandel, T. Yang, L. E. Yates, H. W. Yu, G. P. Zeller, J. Zennamo, C. Zhang

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Résumé fourni par la source

We report measurements of radon progeny in liquid argon within the MicroBooNE time projection chamber (LArTPC). The presence of specific radon daughters in MicroBooNE’s 85 metric tons of active liquid argon bulk is probed with newly developed charge-based low-energy reconstruction tools and analysis techniques to detect correlated Bi214−Po214 radioactive decays. Special datasets taken during periods of active radon doping enable new demonstrations of the calorimetric capabilities of single-phase neutrino LArTPCs for β and α particles with electron-equivalent energies ranging from 0.1 to 3.0 MeV. By applying Bi214−Po214 detection algorithms to data recorded over a 46-day period, no statistically significant presence of radioactive Bi214 is detected, and a limit on the activity is placed at <0.35 mBq/kg at the 95% confidence level. This bulk Bi214 radiopurity limit—the first ever reported for a liquid argon detector incorporating liquid-phase purification—is then further discussed in relation to the targeted upper limit of 1 mBq/kg on bulk Rn222 activity for the DUNE neutrino detector. Published by the American Physical Society 2024

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref: Measurement of ambient radon progeny decay rates and energy spectra in liquid argon using the MicroBooNE detector
Date Crossref: 20/03/2024
Éditeur: American Physical Society (APS)
Type: journal-article

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Institutions déclarées

Tufts University Illinois Institute of Technology University of Manchester The University of Texas at Arlington Tel Aviv University Fermi National Accelerator Laboratory University of Oxford Massachusetts Institute of Technology University of Chicago Brookhaven National Laboratory Lancaster University University of Michigan Kansas State University Harvard University Press Columbia University University of California, Santa Barbara Colorado State University SLAC National Accelerator Laboratory University of Pittsburgh Yale University Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas University of Warwick University of Cambridge University of Bern Argonne National Laboratory University of Southern Maine Rutgers, The State University of New Jersey Los Alamos National Laboratory University of Minnesota Universidad de Granada University of Tennessee at Knoxville Nankai University Virginia Tech University of Cincinnati University of Edinburgh South Dakota School of Mines and Technology University College London New Mexico State University Syracuse University Louisiana State University

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