Observation of coherent elastic neutrino-nucleus scattering
- Akimov,
- Albert,
- An,
- Awe,
- Barbeau,
- Becker,
- Belov,
- Brown,
- Bolozdynya,
- Cabrera-Palmer,
- Cervantes,
- Collar,
- Cooper,
- Cooper,
- Cuesta,
- Dean,
- Detwiler,
- Eberhardt,
- Efremenko,
- Elliott,
- Erkela,
- Fabris,
- Febbraro,
- Fields,
- Fox,
- Fu,
- Galindo-Uribarri,
- Green,
- Hai,
- Heath,
- Hedges,
- Hornback,
- Hossbach,
- Iverson,
- Kaufman,
- Ki,
- Klein,
- Khromov,
- Konovalov,
- Kremer,
- Kumpan,
- Leadbetter,
- Li,
- Lu,
- Mann,
- Markoff,
- Miller,
- Moreno,
- Mueller,
- Newby,
- Orrell,
- Overman,
- Parno,
- Penttila,
- Perumpilly,
- Ray,
- Raybern,
- Reyna,
- Rich,
- Rimal,
- Rudik,
- Scholberg,
- Scholz,
- Sinev,
- Snow,
- Sosnovtsev,
- Shakirov,
- Suchyta,
- Suh,
- Tayloe,
- Thornton,
- Tolstukhin,
- Vanderwerp,
- Varner,
- Virtue,
- Wan,
- Yoo,
- Yu,
- Zawada,
- Zettlemoyer,
- Zderic,
DOIAbstract
Detecting neutrinos—elementary particles that barely interact with other matter—usually requires detectors of enormous size. A particular interaction of neutrinos with atomic nuclei, called the coherent elastic neutrino-nucleus scattering (CEνNS), is predicted to occur with relatively high probability, and it could be used to drastically reduce the size of neutrino detectors. However, observing this interaction requires a source of low-energy neutrinos and detectors that contain nuclei of optimal mass. Akimov et al. observed CEνNS with a 6.7σ confidence by using a comparatively tiny, 14.6-kg sodium-doped CsI scintillator exposed to neutrinos from a spallation neutron facility (see the Perspective by Link). The discovery places tighter bound...
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