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Related papers: The 8Li Calibration Source for the Sudbury Neutrin…

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A calibration source using gamma-rays from 16N (t_1/2 = 7.13 s) beta-decay has been developed for the Sudbury Neutrino Observatory (SNO) for the purpose of energy and other calibrations. The 16N is produced via the (n,p) reaction on 16O in…

The Sudbury Neutrino Observatory (SNO) is a new 1000-tonne D2O Cerenkov solar neutrino detector. A high energy gamma-ray source is needed to calibrate SNO beyond the 8B solar neutrino endpoint of 15 MeV. This paper describes the design and…

Instrumentation and Detectors · Physics 2008-11-26 A. W. P. Poon , R. J. Komar , C. E. Waltham , M. C. Browne , R. G. H. Robertson , N. P. Kherani , H. B. Mak

The sensitivity of the Sudbury Neutrino Observatory (SNO) to measure the shape of the recoil electron spectrum in the charged-current reaction of $^{8}$B solar neutrinos interacting with deuterium can be improved if the results of a…

Nuclear Theory · Physics 2008-11-26 G. Jonkmans , I. S. Towner , B. Sur

The work is devoted to development of hard electron antineutrino source with variable and regulated (controlled) spectrum. The high flux antineutrino source with hard antineutrino spectrum based on neutron activation of 7Li and subsequent…

Instrumentation and Detectors · Physics 2017-05-16 V. I. Lyashuk

The production and analysis of distributed sources of 24Na and 222Rn in the Sudbury Neutrino Observatory (SNO) are described. These unique sources provided accurate calibrations of the response to neutrons, produced through…

The Sudbury Neutrino Observatory uses 1000 tonnes of heavy water in an ultra-clean Cherenkov detector situated 2 km underground in Ontario, Canada to study neutrinos from the Sun and other astrophysical sources. The Charged Current (CC)…

High Energy Physics - Experiment · Physics 2019-08-14 A. B. McDonald

An intensive antineutrino source with a hard spectrum (with energy up to 13 MeV, average energy 6.5 MeV) can be realized on the base of beta-decay of short living isotope 8Li (0.84 s). The 8Li isotope (generated in activation of 7Li…

Instrumentation and Detectors · Physics 2015-04-14 V. I. Lyashuk , Yu. S Lutostansky

This paper introduces a novel, high-intensity source of electron antineutrinos from the production and subsequent decay of 8Li. When paired with an existing ~1 kton scintillator-based detector, this <E_\nu>=6.4 MeV source opens a wide range…

The proposed high flux lithium antineutrino source is based on 7Li(n,g)8Li-activation and subsequent fast beta-decay (0.84 s) of the 8Li isotope with emission of hard antineutrinos with energy up to 13 MeV. In the discussed scheme the…

Instrumentation and Detectors · Physics 2017-01-31 V. I. Lyashuk

The first neutrino observations from the Sudbury Neutrino Observatory are presented from preliminary analyses. Based on energy, direction and location, the data in the region of interest appear to be dominated by 8B solar neutrinos,…

High Energy Physics - Experiment · Physics 2019-08-14 A. B. McDonald

The Sudbury Neutrino Observatory (SNO) is a water imaging Cherenkov detector. Utilising a 1 kilotonne ultra-pure D2O target, it is the first experiment to have equal sensitivity to all flavours of active neutrinos. This allows a solar-model…

Nuclear Experiment · Physics 2019-08-14 Gordon A. McGregor

The Sudbury Neutrino Observatory (SNO) is a 1000-tonne heavy water Cherenkov detector. Its usage of \dto as target allows the simultaneous measurements of the $\nu_e$ flux from $^8$B decay in the Sun and the total flux of all active…

High Energy Physics - Experiment · Physics 2009-02-20 A. W. P. Poon

The Sudbury Neutrino Observatory (SNO) is a water imaging Cherenkov detector. Its usage of 1000 metric tons of D$_{2}$O as target allows the SNO detector to make a solar-model independent test of the neutrino oscillation hypothesis by…

Nuclear Experiment · Physics 2019-08-14 A. W. P. Poon

In this paper we consider high-intensity source of electron antineutrinos from the production and subsequent decay of 8Li. It opens a wide range of possible searches for beyond standard model physics via studies of the inverse beta decay…

Instrumentation and Detectors · Physics 2015-09-15 Fengyi Zhao , Yao Li , Chengdong Han , Qiang Fu , Xurong Chen

The Sudbury Neutrino Observatory is a second generation water Cherenkov detector designed to determine whether the currently observed solar neutrino deficit is a result of neutrino oscillations. The detector is unique in its use of D2O as a…

Nuclear Experiment · Physics 2012-08-27 The SNO Collaboration

The antineutrinos of the neutron rich 8Li isotope is characterized by hard and good defined spectrum - averaged energy is 6.5 MeV and maximal - up to 13 MeV. An intensive antineutrino source with such parameters can be unique instrument for…

Instrumentation and Detectors · Physics 2016-09-08 V. I. Lyashuk

Observations of neutral current neutrino interactions on deuterium in the Sudbury Neutrino Observatory are reported. Using the neutral current, elastic scattering, and charged current reactions and assuming the standard 8B shape, the…

Nuclear Experiment · Physics 2012-08-27 SNO Collaboration

The Sudbury Neutrino Observatory (SNO) has precisely determined the total active (nu_x) 8B solar neutrino flux without assumptions about the energy dependence of the nu_e survival probability. The measurements were made with dissolved NaCl…

Nuclear Experiment · Physics 2012-08-27 SNO Collaboration

Neutron sources can play a variety of roles in warhead verification. For transmission radiography, a source of directed high energy neutrons is required, while for applications to detect fissile isotopes, sub-MeV neutrons are preferred. The…

Instrumentation and Detectors · Physics 2025-03-19 Jihye Jeon , Erik P. Gilson , Michael Hepler , Alexander Glaser , Robert J. Goldston

We present a systematic evaluation of the shape of the neutrino energy spectrum produced by beta-decay of $^8$B. We place special emphasis on determining the range of uncertainties permitted by existing laboratory data and theoretical…

Nuclear Theory · Physics 2008-11-26 John N. Bahcall , E. Lisi , D. E. Alburger , L. De Braeckeleer , S. J. Freedman , J. Napolitano
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