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Ultra-sensitive radon assay using an electrostatic chamber in a recirculating system

Fuente: arXiv

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Hauptverfasser:	nEXO Collaboration, Anker, A., Breur, P. A., Mong, B., Acharya, P., Amy, A., Angelico, E., Arnquist, I. J., Atencio, A., Bane, J., Belov, V., Bernard, E. P., Bhatta, T., Bolotnikov, A., Breslin, J., Brodsky, J. P., Bron, S., Brown, E., Brunner, T., Burnell, B., Caden, E., Cao, L. Q., Cao, G. F., Cesmecioglu, D., Chernyak, D., Chiu, M., Collister, R., Daniels, T., Darroch, L., DeVoe, R., di Vacri, M. L., Ding, Y. Y., Dolinski, M. J., Dragone, A., Eckert, B., Elbeltagi, M., Emara, A., Fairbank, W., Fatemighomi, N., Foust, B., Fu, Y. S., Gallacher, D., Gallice, N., Giacomini, G., Gillis, W., Gorham, A., Gornea, R., Gratta, G., Guan, Y. D., Hardy, C. A., Hedges, S., Heffner, M., Hein, E., Holt, J. D., Iverson, A., Jiang, X. S., Karelin, A., Keblbeck, D., Kotov, I., Kuchenkov, A., Kumar, K. S., Larson, A., Latif, M. B., Leach, K. G., Lenardo, B. G., Lennarz, A., Leonard, D. S., Leung, K., Lewis, H., Li, G., Li, X., Li, Z., Licciardi, C., Lindsay, R., MacLellan, R., Majidi, S., Malbrunot, C., Marquis, M., Masbou, J., Medina-Peregrina, M., Mngonyama, S., Moore, D. C., Ngwadla, X. E., Ni, K., Nolan, A., Nowicki, S. C., Ondze, J. C. Nzobadila, Odian, A., Orrell, J. L., Ortega, G. S., Overman, C. T., Pagani, L., Smalley, H. Peltz, Perna, A., Piepke, A., Pocar, A., Radeka, V., Raguzin, E., Rai, R., Rasiwala, H., Ray, D., Rescia, S., Retiére, F., Richardson, G., Rocco, N., Ross, R., Rowson, P. C., Saldanha, R., Sangiorgio, S., Sekula, S., Shetty, T., Si, L., Spadoni, F., Stekhanov, V., Sun, X. L., Thibado, S., Totev, T., Triambak, S., Tsang, R. H. M., Tyuka, O. A., van Bruggen, E., Vidal, M., Viel, S., Walent, M., Wang, H., Wang, Q. D., Wang, Y. G., Watts, M., Wehrfritz, M., Wei, W., Wen, L. J., Wichoski, U., Wilde, S., Worcester, M., Wu, X. M., Xu, H., Yang, H. B., Yang, L., Yu, M., Zeldovich, O., Zhao, J.
Format:	Preprint
Veröffentlicht:	2025
Schlagworte:	Instrumentation and Detectors High Energy Physics - Experiment
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author	nEXO Collaboration Anker, A. Breur, P. A. Mong, B. Acharya, P. Amy, A. Angelico, E. Arnquist, I. J. Atencio, A. Bane, J. Belov, V. Bernard, E. P. Bhatta, T. Bolotnikov, A. Breslin, J. Brodsky, J. P. Bron, S. Brown, E. Brunner, T. Burnell, B. Caden, E. Cao, L. Q. Cao, G. F. Cesmecioglu, D. Chernyak, D. Chiu, M. Collister, R. Daniels, T. Darroch, L. DeVoe, R. di Vacri, M. L. Ding, Y. Y. Dolinski, M. J. Dragone, A. Eckert, B. Elbeltagi, M. Emara, A. Fairbank, W. Fatemighomi, N. Foust, B. Fu, Y. S. Gallacher, D. Gallice, N. Giacomini, G. Gillis, W. Gorham, A. Gornea, R. Gratta, G. Guan, Y. D. Hardy, C. A. Hedges, S. Heffner, M. Hein, E. Holt, J. D. Iverson, A. Jiang, X. S. Karelin, A. Keblbeck, D. Kotov, I. Kuchenkov, A. Kumar, K. S. Larson, A. Latif, M. B. Leach, K. G. Lenardo, B. G. Lennarz, A. Leonard, D. S. Leung, K. Lewis, H. Li, G. Li, X. Li, Z. Licciardi, C. Lindsay, R. MacLellan, R. Majidi, S. Malbrunot, C. Marquis, M. Masbou, J. Medina-Peregrina, M. Mngonyama, S. Moore, D. C. Ngwadla, X. E. Ni, K. Nolan, A. Nowicki, S. C. Ondze, J. C. Nzobadila Odian, A. Orrell, J. L. Ortega, G. S. Overman, C. T. Pagani, L. Smalley, H. Peltz Perna, A. Piepke, A. Pocar, A. Radeka, V. Raguzin, E. Rai, R. Rasiwala, H. Ray, D. Rescia, S. Retiére, F. Richardson, G. Rocco, N. Ross, R. Rowson, P. C. Saldanha, R. Sangiorgio, S. Sekula, S. Shetty, T. Si, L. Spadoni, F. Stekhanov, V. Sun, X. L. Thibado, S. Totev, T. Triambak, S. Tsang, R. H. M. Tyuka, O. A. van Bruggen, E. Vidal, M. Viel, S. Walent, M. Wang, H. Wang, Q. D. Wang, Y. G. Watts, M. Wehrfritz, M. Wei, W. Wen, L. J. Wichoski, U. Wilde, S. Worcester, M. Wu, X. M. Xu, H. Yang, H. B. Yang, L. Yu, M. Zeldovich, O. Zhao, J.
author_facet	nEXO Collaboration Anker, A. Breur, P. A. Mong, B. Acharya, P. Amy, A. Angelico, E. Arnquist, I. J. Atencio, A. Bane, J. Belov, V. Bernard, E. P. Bhatta, T. Bolotnikov, A. Breslin, J. Brodsky, J. P. Bron, S. Brown, E. Brunner, T. Burnell, B. Caden, E. Cao, L. Q. Cao, G. F. Cesmecioglu, D. Chernyak, D. Chiu, M. Collister, R. Daniels, T. Darroch, L. DeVoe, R. di Vacri, M. L. Ding, Y. Y. Dolinski, M. J. Dragone, A. Eckert, B. Elbeltagi, M. Emara, A. Fairbank, W. Fatemighomi, N. Foust, B. Fu, Y. S. Gallacher, D. Gallice, N. Giacomini, G. Gillis, W. Gorham, A. Gornea, R. Gratta, G. Guan, Y. D. Hardy, C. A. Hedges, S. Heffner, M. Hein, E. Holt, J. D. Iverson, A. Jiang, X. S. Karelin, A. Keblbeck, D. Kotov, I. Kuchenkov, A. Kumar, K. S. Larson, A. Latif, M. B. Leach, K. G. Lenardo, B. G. Lennarz, A. Leonard, D. S. Leung, K. Lewis, H. Li, G. Li, X. Li, Z. Licciardi, C. Lindsay, R. MacLellan, R. Majidi, S. Malbrunot, C. Marquis, M. Masbou, J. Medina-Peregrina, M. Mngonyama, S. Moore, D. C. Ngwadla, X. E. Ni, K. Nolan, A. Nowicki, S. C. Ondze, J. C. Nzobadila Odian, A. Orrell, J. L. Ortega, G. S. Overman, C. T. Pagani, L. Smalley, H. Peltz Perna, A. Piepke, A. Pocar, A. Radeka, V. Raguzin, E. Rai, R. Rasiwala, H. Ray, D. Rescia, S. Retiére, F. Richardson, G. Rocco, N. Ross, R. Rowson, P. C. Saldanha, R. Sangiorgio, S. Sekula, S. Shetty, T. Si, L. Spadoni, F. Stekhanov, V. Sun, X. L. Thibado, S. Totev, T. Triambak, S. Tsang, R. H. M. Tyuka, O. A. van Bruggen, E. Vidal, M. Viel, S. Walent, M. Wang, H. Wang, Q. D. Wang, Y. G. Watts, M. Wehrfritz, M. Wei, W. Wen, L. J. Wichoski, U. Wilde, S. Worcester, M. Wu, X. M. Xu, H. Yang, H. B. Yang, L. Yu, M. Zeldovich, O. Zhao, J.
contents	Rare event searches such as neutrinoless double beta decay and Weakly Interacting Massive Particle detection require ultra-low background detectors. Radon contamination is a significant challenge for these experiments, which employ highly sensitive radon assay techniques to identify and select low-emission materials. This work presents the development of ultra-sensitive electrostatic chamber (ESC) instruments designed to measure radon emanation in a recirculating gas loop, for future lower background experiments. Unlike traditional methods that separate emanation and detection steps, this system allows continuous radon transport and detection. This is made possible with a custom-built recirculation pump. A Python-based analysis framework, PyDAn, was developed to process and fit time-dependent radon decay data. Radon emanation rates are given for various materials measured with this instrument. A radon source of known activity provides an absolute calibration, enabling statistically-limited minimal detectable activities of 20 $μ$Bq. These devices are powerful tools for screening materials in the development of low-background particle physics experiments.
format	Preprint
id	arxiv_https___arxiv_org_abs_2504_15464
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Ultra-sensitive radon assay using an electrostatic chamber in a recirculating system nEXO Collaboration Anker, A. Breur, P. A. Mong, B. Acharya, P. Amy, A. Angelico, E. Arnquist, I. J. Atencio, A. Bane, J. Belov, V. Bernard, E. P. Bhatta, T. Bolotnikov, A. Breslin, J. Brodsky, J. P. Bron, S. Brown, E. Brunner, T. Burnell, B. Caden, E. Cao, L. Q. Cao, G. F. Cesmecioglu, D. Chernyak, D. Chiu, M. Collister, R. Daniels, T. Darroch, L. DeVoe, R. di Vacri, M. L. Ding, Y. Y. Dolinski, M. J. Dragone, A. Eckert, B. Elbeltagi, M. Emara, A. Fairbank, W. Fatemighomi, N. Foust, B. Fu, Y. S. Gallacher, D. Gallice, N. Giacomini, G. Gillis, W. Gorham, A. Gornea, R. Gratta, G. Guan, Y. D. Hardy, C. A. Hedges, S. Heffner, M. Hein, E. Holt, J. D. Iverson, A. Jiang, X. S. Karelin, A. Keblbeck, D. Kotov, I. Kuchenkov, A. Kumar, K. S. Larson, A. Latif, M. B. Leach, K. G. Lenardo, B. G. Lennarz, A. Leonard, D. S. Leung, K. Lewis, H. Li, G. Li, X. Li, Z. Licciardi, C. Lindsay, R. MacLellan, R. Majidi, S. Malbrunot, C. Marquis, M. Masbou, J. Medina-Peregrina, M. Mngonyama, S. Moore, D. C. Ngwadla, X. E. Ni, K. Nolan, A. Nowicki, S. C. Ondze, J. C. Nzobadila Odian, A. Orrell, J. L. Ortega, G. S. Overman, C. T. Pagani, L. Smalley, H. Peltz Perna, A. Piepke, A. Pocar, A. Radeka, V. Raguzin, E. Rai, R. Rasiwala, H. Ray, D. Rescia, S. Retiére, F. Richardson, G. Rocco, N. Ross, R. Rowson, P. C. Saldanha, R. Sangiorgio, S. Sekula, S. Shetty, T. Si, L. Spadoni, F. Stekhanov, V. Sun, X. L. Thibado, S. Totev, T. Triambak, S. Tsang, R. H. M. Tyuka, O. A. van Bruggen, E. Vidal, M. Viel, S. Walent, M. Wang, H. Wang, Q. D. Wang, Y. G. Watts, M. Wehrfritz, M. Wei, W. Wen, L. J. Wichoski, U. Wilde, S. Worcester, M. Wu, X. M. Xu, H. Yang, H. B. Yang, L. Yu, M. Zeldovich, O. Zhao, J. Instrumentation and Detectors High Energy Physics - Experiment Rare event searches such as neutrinoless double beta decay and Weakly Interacting Massive Particle detection require ultra-low background detectors. Radon contamination is a significant challenge for these experiments, which employ highly sensitive radon assay techniques to identify and select low-emission materials. This work presents the development of ultra-sensitive electrostatic chamber (ESC) instruments designed to measure radon emanation in a recirculating gas loop, for future lower background experiments. Unlike traditional methods that separate emanation and detection steps, this system allows continuous radon transport and detection. This is made possible with a custom-built recirculation pump. A Python-based analysis framework, PyDAn, was developed to process and fit time-dependent radon decay data. Radon emanation rates are given for various materials measured with this instrument. A radon source of known activity provides an absolute calibration, enabling statistically-limited minimal detectable activities of 20 $μ$Bq. These devices are powerful tools for screening materials in the development of low-background particle physics experiments.
title	Ultra-sensitive radon assay using an electrostatic chamber in a recirculating system
topic	Instrumentation and Detectors High Energy Physics - Experiment
url	https://arxiv.org/abs/2504.15464