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Evidence of Coherent Elastic Neutrino-Nucleus Scattering with COHERENT's Germanium Array

Fuente: arXiv

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Main Authors:	Adamski, S., Ahn, M., Barbeau, P. S., Belov, V., Bernardi, I., Bock, C., Bolozdynya, A., Bouabid, R., Browning, J., Cabrera-Palmer, B., Cedarblade-Jones, N., Rivera, A. I. Colón, Conley, E., da Silva, V., Daughhetee, J., Detwiler, J., Ding, K., Durand, M. R., Efremenko, Y., Elliott, S. R., Erlandson, A., Fabris, L., Galindo-Uribarri, A., Green, M. P., Hakenmüller, J., Heath, M. R., Hedges, S., Jeong, H., Johnson, B. A., Johnson, T., Jones, H., Khromov, A., Kim, D., Konovalov, A., Kozlova, E., Kumpan, A., Kyzylova, O., Lee, Y., Li, G., Li, L., Link, J. M., Liu, J., Luxnat, M., Major, A., Mann, K., Markoff, D. M., Mattingly, J., Moye, J., Mueller, P. E., Newby, J., Ogoi, N., O'Reilly, J., Parno, D. S., Pérez-Loureiro, D., Pershey, D., Prior, C. G., Queen, J., Rapp, R., Ray, H., Razuvaeva, O., Reyna, D., Rich, G. C., Rudik, D., Runge, J., Salvat, D. J., Sander, J., Scholberg, K., Shakirov, A., Simakov, G., Snow, W. M., Sosnovtsev, V., Stringer, M., Subedi, T., Suh, B., Sur, B., Tayloe, R., Tellez-Giron-Flores, K., Tsai, Y. -T., van Nieuwenhuizen, E. E., Virtue, C. J., Visser, G., Walkup, K., Ward, E. M., Wongjirad, T., Yang, Y., Yoo, J., Yu, C. -H., Zaalishvili, A.
Format:	Preprint
Published:	2024
Subjects:	High Energy Physics - Experiment
Online Access:	Acceder al recurso
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author	Adamski, S. Ahn, M. Barbeau, P. S. Belov, V. Bernardi, I. Bock, C. Bolozdynya, A. Bouabid, R. Browning, J. Cabrera-Palmer, B. Cedarblade-Jones, N. Rivera, A. I. Colón Conley, E. da Silva, V. Daughhetee, J. Detwiler, J. Ding, K. Durand, M. R. Efremenko, Y. Elliott, S. R. Erlandson, A. Fabris, L. Galindo-Uribarri, A. Green, M. P. Hakenmüller, J. Heath, M. R. Hedges, S. Jeong, H. Johnson, B. A. Johnson, T. Jones, H. Khromov, A. Kim, D. Konovalov, A. Kozlova, E. Kumpan, A. Kyzylova, O. Lee, Y. Li, G. Li, L. Link, J. M. Liu, J. Luxnat, M. Major, A. Mann, K. Markoff, D. M. Mattingly, J. Moye, J. Mueller, P. E. Newby, J. Ogoi, N. O'Reilly, J. Parno, D. S. Pérez-Loureiro, D. Pershey, D. Prior, C. G. Queen, J. Rapp, R. Ray, H. Razuvaeva, O. Reyna, D. Rich, G. C. Rudik, D. Runge, J. Salvat, D. J. Sander, J. Scholberg, K. Shakirov, A. Simakov, G. Snow, W. M. Sosnovtsev, V. Stringer, M. Subedi, T. Suh, B. Sur, B. Tayloe, R. Tellez-Giron-Flores, K. Tsai, Y. -T. van Nieuwenhuizen, E. E. Virtue, C. J. Visser, G. Walkup, K. Ward, E. M. Wongjirad, T. Yang, Y. Yoo, J. Yu, C. -H. Zaalishvili, A.
author_facet	Adamski, S. Ahn, M. Barbeau, P. S. Belov, V. Bernardi, I. Bock, C. Bolozdynya, A. Bouabid, R. Browning, J. Cabrera-Palmer, B. Cedarblade-Jones, N. Rivera, A. I. Colón Conley, E. da Silva, V. Daughhetee, J. Detwiler, J. Ding, K. Durand, M. R. Efremenko, Y. Elliott, S. R. Erlandson, A. Fabris, L. Galindo-Uribarri, A. Green, M. P. Hakenmüller, J. Heath, M. R. Hedges, S. Jeong, H. Johnson, B. A. Johnson, T. Jones, H. Khromov, A. Kim, D. Konovalov, A. Kozlova, E. Kumpan, A. Kyzylova, O. Lee, Y. Li, G. Li, L. Link, J. M. Liu, J. Luxnat, M. Major, A. Mann, K. Markoff, D. M. Mattingly, J. Moye, J. Mueller, P. E. Newby, J. Ogoi, N. O'Reilly, J. Parno, D. S. Pérez-Loureiro, D. Pershey, D. Prior, C. G. Queen, J. Rapp, R. Ray, H. Razuvaeva, O. Reyna, D. Rich, G. C. Rudik, D. Runge, J. Salvat, D. J. Sander, J. Scholberg, K. Shakirov, A. Simakov, G. Snow, W. M. Sosnovtsev, V. Stringer, M. Subedi, T. Suh, B. Sur, B. Tayloe, R. Tellez-Giron-Flores, K. Tsai, Y. -T. van Nieuwenhuizen, E. E. Virtue, C. J. Visser, G. Walkup, K. Ward, E. M. Wongjirad, T. Yang, Y. Yoo, J. Yu, C. -H. Zaalishvili, A.
contents	We report the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on natural germanium, measured at the Spallation Neutron Source at Oak Ridge National Laboratory. The Ge-Mini detector of the COHERENT collaboration employs large-mass, low-noise, high-purity germanium spectrometers, enabling excellent energy resolution, and an analysis threshold of 1.5 keV electron-equivalent ionization energy. We observe a on-beam excess of 20.6 +7.1 -6.3 counts with a total exposure of 10.22 GWhkg and we reject the no-CEvNS hypothesis with 3.9 sigma significance. The result agrees with the predicted standard model of particle physics signal rate within 2 sigma.
format	Preprint
id	arxiv_https___arxiv_org_abs_2406_13806
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Evidence of Coherent Elastic Neutrino-Nucleus Scattering with COHERENT's Germanium Array Adamski, S. Ahn, M. Barbeau, P. S. Belov, V. Bernardi, I. Bock, C. Bolozdynya, A. Bouabid, R. Browning, J. Cabrera-Palmer, B. Cedarblade-Jones, N. Rivera, A. I. Colón Conley, E. da Silva, V. Daughhetee, J. Detwiler, J. Ding, K. Durand, M. R. Efremenko, Y. Elliott, S. R. Erlandson, A. Fabris, L. Galindo-Uribarri, A. Green, M. P. Hakenmüller, J. Heath, M. R. Hedges, S. Jeong, H. Johnson, B. A. Johnson, T. Jones, H. Khromov, A. Kim, D. Konovalov, A. Kozlova, E. Kumpan, A. Kyzylova, O. Lee, Y. Li, G. Li, L. Link, J. M. Liu, J. Luxnat, M. Major, A. Mann, K. Markoff, D. M. Mattingly, J. Moye, J. Mueller, P. E. Newby, J. Ogoi, N. O'Reilly, J. Parno, D. S. Pérez-Loureiro, D. Pershey, D. Prior, C. G. Queen, J. Rapp, R. Ray, H. Razuvaeva, O. Reyna, D. Rich, G. C. Rudik, D. Runge, J. Salvat, D. J. Sander, J. Scholberg, K. Shakirov, A. Simakov, G. Snow, W. M. Sosnovtsev, V. Stringer, M. Subedi, T. Suh, B. Sur, B. Tayloe, R. Tellez-Giron-Flores, K. Tsai, Y. -T. van Nieuwenhuizen, E. E. Virtue, C. J. Visser, G. Walkup, K. Ward, E. M. Wongjirad, T. Yang, Y. Yoo, J. Yu, C. -H. Zaalishvili, A. High Energy Physics - Experiment We report the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on natural germanium, measured at the Spallation Neutron Source at Oak Ridge National Laboratory. The Ge-Mini detector of the COHERENT collaboration employs large-mass, low-noise, high-purity germanium spectrometers, enabling excellent energy resolution, and an analysis threshold of 1.5 keV electron-equivalent ionization energy. We observe a on-beam excess of 20.6 +7.1 -6.3 counts with a total exposure of 10.22 GWhkg and we reject the no-CEvNS hypothesis with 3.9 sigma significance. The result agrees with the predicted standard model of particle physics signal rate within 2 sigma.
title	Evidence of Coherent Elastic Neutrino-Nucleus Scattering with COHERENT's Germanium Array
topic	High Energy Physics - Experiment
url	https://arxiv.org/abs/2406.13806