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Title: Observation of coherent elastic neutrino-nucleus scattering

Abstract

The coherent elastic scattering of neutrinos off nuclei has eluded detection for four decades, even though its predicted cross section is by far the largest of all low-energy neutrino couplings. This mode of interaction offers new opportunities to study neutrino properties and leads to a miniaturization of detector size, with potential technological applications. In this paper, we observed this process at a 6.7σ confidence level, using a low-background, 14.6-kilogram CsI[Na] scintillator exposed to the neutrino emissions from the Spallation Neutron Source at Oak Ridge National Laboratory. Characteristic signatures in energy and time, predicted by the standard model for this process, were observed in high signal-to-background conditions. Finally, improved constraints on nonstandard neutrino interactions with quarks are derived from this initial data set.

Authors:
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Publication Date:
Research Org.:
Duke Univ., Durham, NC (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20); ORNL Laboratory Directed Research and Development (LDRD) Program; LBNL Laboratory Directed Research and Development (LDRD) Program
Contributing Org.:
COHERENT Collaboration
OSTI Identifier:
1429827
Alternate Identifier(s):
OSTI ID: 1416288
Report Number(s):
LA-UR-17-26787; SAND-2017-8714J
Journal ID: ISSN 0036-8075; TRN: US1800899
Grant/Contract Number:
AC52-06NA25396; AC05-76RL01830; NA0003525; NA0002576; SC0009824; SC0010007; SC0014249; SC0014558; AC04-94AL85000
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Science
Additional Journal Information:
Journal Volume: 357; Journal Issue: 6356; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Akimov, D., Albert, J. B., An, P., Awe, C., Barbeau, P. S., Becker, B., Belov, V., Brown, A., Bolozdynya, A., Cabrera-Palmer, B., Cervantes, M., Collar, J. I., Cooper, R. J., Cooper, R. L., Cuesta, C., Dean, D. J., Detwiler, J. A., Eberhardt, A., Efremenko, Y., Elliott, S. R., Erkela, E. M., Fabris, L., Febbraro, M., Fields, N. E., Fox, W., Fu, Z., Galindo-Uribarri, A., Green, M. P., Hai, M., Heath, M. R., Hedges, S., Hornback, D., Hossbach, T. W., Iverson, E. B., Kaufman, L. J., Ki, S., Klein, S. R., Khromov, A., Konovalov, A., Kremer, M., Kumpan, A., Leadbetter, C., Li, L., Lu, W., Mann, K., Markoff, D. M., Miller, K., Moreno, H., Mueller, P. E., Newby, J., Orrell, J. L., Overman, C. T., Parno, D. S., Penttila, S., Perumpilly, G., Ray, H., Raybern, J., Reyna, D., Rich, G. C., Rimal, D., Rudik, D., Scholberg, K., Scholz, B. J., Sinev, G., Snow, W. M., Sosnovtsev, V., Shakirov, A., Suchyta, S., Suh, B., Tayloe, R., Thornton, R. T., Tolstukhin, I., Vanderwerp, J., Varner, R. L., Virtue, C. J., Wan, Z., Yoo, J., Yu, C. -H., Zawada, A., Zettlemoyer, J., and Zderic, A. M. Observation of coherent elastic neutrino-nucleus scattering. United States: N. p., 2017. Web. doi:10.1126/science.aao0990.
Akimov, D., Albert, J. B., An, P., Awe, C., Barbeau, P. S., Becker, B., Belov, V., Brown, A., Bolozdynya, A., Cabrera-Palmer, B., Cervantes, M., Collar, J. I., Cooper, R. J., Cooper, R. L., Cuesta, C., Dean, D. J., Detwiler, J. A., Eberhardt, A., Efremenko, Y., Elliott, S. R., Erkela, E. M., Fabris, L., Febbraro, M., Fields, N. E., Fox, W., Fu, Z., Galindo-Uribarri, A., Green, M. P., Hai, M., Heath, M. R., Hedges, S., Hornback, D., Hossbach, T. W., Iverson, E. B., Kaufman, L. J., Ki, S., Klein, S. R., Khromov, A., Konovalov, A., Kremer, M., Kumpan, A., Leadbetter, C., Li, L., Lu, W., Mann, K., Markoff, D. M., Miller, K., Moreno, H., Mueller, P. E., Newby, J., Orrell, J. L., Overman, C. T., Parno, D. S., Penttila, S., Perumpilly, G., Ray, H., Raybern, J., Reyna, D., Rich, G. C., Rimal, D., Rudik, D., Scholberg, K., Scholz, B. J., Sinev, G., Snow, W. M., Sosnovtsev, V., Shakirov, A., Suchyta, S., Suh, B., Tayloe, R., Thornton, R. T., Tolstukhin, I., Vanderwerp, J., Varner, R. L., Virtue, C. J., Wan, Z., Yoo, J., Yu, C. -H., Zawada, A., Zettlemoyer, J., & Zderic, A. M. Observation of coherent elastic neutrino-nucleus scattering. United States. doi:10.1126/science.aao0990.
Akimov, D., Albert, J. B., An, P., Awe, C., Barbeau, P. S., Becker, B., Belov, V., Brown, A., Bolozdynya, A., Cabrera-Palmer, B., Cervantes, M., Collar, J. I., Cooper, R. J., Cooper, R. L., Cuesta, C., Dean, D. J., Detwiler, J. A., Eberhardt, A., Efremenko, Y., Elliott, S. R., Erkela, E. M., Fabris, L., Febbraro, M., Fields, N. E., Fox, W., Fu, Z., Galindo-Uribarri, A., Green, M. P., Hai, M., Heath, M. R., Hedges, S., Hornback, D., Hossbach, T. W., Iverson, E. B., Kaufman, L. J., Ki, S., Klein, S. R., Khromov, A., Konovalov, A., Kremer, M., Kumpan, A., Leadbetter, C., Li, L., Lu, W., Mann, K., Markoff, D. M., Miller, K., Moreno, H., Mueller, P. E., Newby, J., Orrell, J. L., Overman, C. T., Parno, D. S., Penttila, S., Perumpilly, G., Ray, H., Raybern, J., Reyna, D., Rich, G. C., Rimal, D., Rudik, D., Scholberg, K., Scholz, B. J., Sinev, G., Snow, W. M., Sosnovtsev, V., Shakirov, A., Suchyta, S., Suh, B., Tayloe, R., Thornton, R. T., Tolstukhin, I., Vanderwerp, J., Varner, R. L., Virtue, C. J., Wan, Z., Yoo, J., Yu, C. -H., Zawada, A., Zettlemoyer, J., and Zderic, A. M. Thu . "Observation of coherent elastic neutrino-nucleus scattering". United States. doi:10.1126/science.aao0990.
@article{osti_1429827,
title = {Observation of coherent elastic neutrino-nucleus scattering},
author = {Akimov, D. and Albert, J. B. and An, P. and Awe, C. and Barbeau, P. S. and Becker, B. and Belov, V. and Brown, A. and Bolozdynya, A. and Cabrera-Palmer, B. and Cervantes, M. and Collar, J. I. and Cooper, R. J. and Cooper, R. L. and Cuesta, C. and Dean, D. J. and Detwiler, J. A. and Eberhardt, A. and Efremenko, Y. and Elliott, S. R. and Erkela, E. M. and Fabris, L. and Febbraro, M. and Fields, N. E. and Fox, W. and Fu, Z. and Galindo-Uribarri, A. and Green, M. P. and Hai, M. and Heath, M. R. and Hedges, S. and Hornback, D. and Hossbach, T. W. and Iverson, E. B. and Kaufman, L. J. and Ki, S. and Klein, S. R. and Khromov, A. and Konovalov, A. and Kremer, M. and Kumpan, A. and Leadbetter, C. and Li, L. and Lu, W. and Mann, K. and Markoff, D. M. and Miller, K. and Moreno, H. and Mueller, P. E. and Newby, J. and Orrell, J. L. and Overman, C. T. and Parno, D. S. and Penttila, S. and Perumpilly, G. and Ray, H. and Raybern, J. and Reyna, D. and Rich, G. C. and Rimal, D. and Rudik, D. and Scholberg, K. and Scholz, B. J. and Sinev, G. and Snow, W. M. and Sosnovtsev, V. and Shakirov, A. and Suchyta, S. and Suh, B. and Tayloe, R. and Thornton, R. T. and Tolstukhin, I. and Vanderwerp, J. and Varner, R. L. and Virtue, C. J. and Wan, Z. and Yoo, J. and Yu, C. -H. and Zawada, A. and Zettlemoyer, J. and Zderic, A. M.},
abstractNote = {The coherent elastic scattering of neutrinos off nuclei has eluded detection for four decades, even though its predicted cross section is by far the largest of all low-energy neutrino couplings. This mode of interaction offers new opportunities to study neutrino properties and leads to a miniaturization of detector size, with potential technological applications. In this paper, we observed this process at a 6.7σ confidence level, using a low-background, 14.6-kilogram CsI[Na] scintillator exposed to the neutrino emissions from the Spallation Neutron Source at Oak Ridge National Laboratory. Characteristic signatures in energy and time, predicted by the standard model for this process, were observed in high signal-to-background conditions. Finally, improved constraints on nonstandard neutrino interactions with quarks are derived from this initial data set.},
doi = {10.1126/science.aao0990},
journal = {Science},
number = 6356,
volume = 357,
place = {United States},
year = {Thu Aug 03 00:00:00 EDT 2017},
month = {Thu Aug 03 00:00:00 EDT 2017}
}

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