What is recorded here?
The LZ Collaboration searched 5.7 tonne-years of liquid-xenon data for low-energy nuclear recoils and found evidence consistent with coherent elastic scattering of solar boron-8 neutrinos. In its no-dark-matter fit the zero-neutrino-signal hypothesis was rejected at a reported 4.5 sigma, with a best-fit 12.3 +7.0/−5.4 neutrino events. The same analysis found no significant excess attributable to light dark matter.
Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.
Scientific scope
The quoted significance is conditional on the paper’s no-dark-matter hypothesis, detector-response and background models; 19 selected events are not individually identified neutrinos. The fitted solar flux assumes a Standard Model scattering cross-section and mixing angle; cross-section and mixing-angle inferences each assume an external solar flux and other inputs. Neutron calibration weakly constrains yields below roughly 2.5 keV so prior measurements contribute; accidental-coincidence background is data modeled. Artificial events were injected to mitigate bias and one selected artificial event removed before the final 19-event sample. These data extend and overlap the prior LZ WIMP dataset, but this low-energy neutrino-specific outcome is a distinct analysis, not an independent exposure. Earlier PandaX-4T and XENONnT solar-neutrino indications retain credit. Numerical results are from the December 2025 author v1, not independently reconciled with the 2026 publication.
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People and systems
D. S. Akerib; A. K. Al Musalhi; F. Alder
These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged. The recorded author list is incomplete.
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English catalogue narrative
LZ finds evidence for solar-neutrino coherent nuclear scattering in xenon
The LZ Collaboration searched 5.7 tonne-years of liquid-xenon data for low-energy nuclear recoils and found evidence consistent with coherent elastic scattering of solar boron-8 neutrinos. In its no-dark-matter fit the zero-neutrino-signal hypothesis was rejected at a reported 4.5 sigma, with a best-fit 12.3 +7.0/−5.4 neutrino events. The same analysis found no significant excess attributable to light dark matter.
Scientific scope
The quoted significance is conditional on the paper’s no-dark-matter hypothesis, detector-response and background models; 19 selected events are not individually identified neutrinos. The fitted solar flux assumes a Standard Model scattering cross-section and mixing angle; cross-section and mixing-angle inferences each assume an external solar flux and other inputs. Neutron calibration weakly constrains yields below roughly 2.5 keV so prior measurements contribute; accidental-coincidence background is data modeled. Artificial events were injected to mitigate bias and one selected artificial event removed before the final 19-event sample. These data extend and overlap the prior LZ WIMP dataset, but this low-energy neutrino-specific outcome is a distinct analysis, not an independent exposure. Earlier PandaX-4T and XENONnT solar-neutrino indications retain credit. Numerical results are from the December 2025 author v1, not independently reconciled with the 2026 publication.
Reading status
This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.
People and systems
D. S. Akerib; A. K. Al Musalhi; F. Alder
These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.