First Measurement of Coherent Elastic Neutrino-Nucleus Scattering on Argon

被引：202

作者：

Akimov, D. ^{[1
,2
]}

Albert, J. B. ^{[3
]}

An, P. ^{[4
,5
]}

Awe, C. ^{[4
,5
]}

Barbeau, P. S. ^{[6
]}

Becker, B. ^{[1
,2
]}

Belov, V ^{[6
]}

Bernardi, I ^{[7
]}

Blackston, M. A. ^{[6
]}

Blokland, L. ^{[2
]}

Bolozdynya, A. ^{[2
]}

Cabrera-Palmer, B. ^{[8
]}

Chen, N. ^{[9
,10
]}

Chernyak, D. ^{[11
]}

Conley, E. ^{[4
]}

Cooper, R. L. ^{[12
,13
]}

Daughhetee, J. ^{[6
]}

Coello, M. del Valle ^{[3
]}

Detwiler, J. A. ^{[9
,10
]}

Durand, M. R. ^{[9
,10
]}

Efremenko, Y. ^{[6
,7
]}

Elliott, S. R. ^{[13
]}

Fabris, L. ^{[7
]}

Febbraro, M. ^{[7
]}

Fox, W. ^{[3
]}

Galindo-Uribarri, A. ^{[6
,7
]}

Rosso, A. Gallo ^{[14
]}

Green, M. P. ^{[5
,7
,15
]}

Hansen, K. S. ^{[9
,10
]}

Heath, M. R. ^{[7
]}

Hedges, S. ^{[4
,5
]}

Hughes, M. ^{[3
]}

Johnson, T. ^{[4
,5
]}

Kaemingk, M. ^{[12
]}

Kaufman, L. J. ^{[3
,26
]}

Khromov, A. ^{[2
]}

Konovalov, A. ^{[1
,2
]}

Kozlova, E. ^{[1
,2
]}

Kumpan, A. ^{[2
]}

Li, L. ^{[4
,5
]}

Librande, J. T. ^{[9
,10
]}

Link, J. M. ^{[16
]}

Liu, J. ^{[11
]}

Mann, K. ^{[5
,7
]}

Markoff, D. M. ^{[5
,17
]}

McGoldrick, O. ^{[9
,10
]}

Moreno, H. ^{[12
]}

Mueller, P. E. ^{[7
]}

Newby, J. ^{[7
]}

Parno, D. S. ^{[18
]}

机构：

[1] Natl Res Ctr, Kurchatov Inst, Inst Theoret & Expt Phys, Moscow 117218, Russia

[2] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Moscow 115409, Russia

[3] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[4] Duke Univ, Dept Phys, Durham, NC 27708 USA

[5] Triangle Univ Nucl Lab, Durham, NC 27708 USA

[6] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[7] Oak Ridge Natl Lab, POB 2009, Oak Ridge, TN 37831 USA

[8] Sandia Natl Labs, Livermore, CA 94550 USA

[9] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA

[10] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[11] Univ South Dakota, Phys Dept, Vermillion, SD 57069 USA

[12] New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA

[13] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[14] Laurentian Univ, Dept Phys, Sudbury, ON P3E 2C6, Canada

[15] North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[16] Virginia Tech, Ctr Neutrino Phys, Blacksburg, VA 24061 USA

[17] North Carolina Cent Univ, Dept Math & Phys, Durham, NC 27707 USA

[18] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA

[19] Univ Florida, Dept Phys, Gainesville, FL 32611 USA

[20] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[21] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[22] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia

[23] Tufts Univ, Dept Phys & Astron, Medford, MA 02155 USA

[24] Korea Adv Inst Sci & Technol KAIST, Dept Phys, Daejeon 34051, South Korea

[25] Inst Basic Sci IBS, Daejeon 34051, South Korea

[26] SLAC Natl Accelerator Lab, Menlo Pk, CA 94205 USA

[27] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA

来源：

PHYSICAL REVIEW LETTERS | 2021年 / 126卷 / 01期

基金：

俄罗斯基础研究基金会; 美国国家科学基金会; 俄罗斯科学基金会;

关键词：

DETECTOR;

D O I：

10.1103/PhysRevLett.126.012002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first measurement of coherent elastic neutrino-nucleus scattering (CEvNS) on argon using a liquid argon detector at the Oak Ridge National Laboratory Spallation Neutron Source. Two independent analyses prefer CEvNS over the background-only null hypothesis with greater than 3 sigma significance. The measured cross section, averaged over the incident neutrino flux, is (2.2 +/- 0.7) x 10(-39) cm(2)-consistent with the standard model prediction. The neutron-number dependence of this result, together with that from our previous measurement on CsI, confirms the existence of the CEvNS process and provides improved constraints on nonstandard neutrino interactions.

引用

页数：7

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